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Cna Financial Corp – ‘10-Q’ for 6/30/15 – ‘EX-101.LAB’

On:  Tuesday, 8/4/15, at 11:48am ET   ·   For:  6/30/15   ·   Accession #:  21175-15-88   ·   File #:  1-05823

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  As Of               Filer                 Filing    For·On·As Docs:Size

 8/04/15  Cna Financial Corp                10-Q        6/30/15   73:16M

Quarterly Report   —   Form 10-Q   —   Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML   1.05M 
 2: EX-10.5     Material Contract                                   HTML    120K 
 3: EX-10.6     Material Contract                                   HTML    145K 
 4: EX-10.6.1   Material Contract                                   HTML     31K 
 5: EX-31.1     Certification -- §302 - SOA'02                      HTML     30K 
 6: EX-31.2     Certification -- §302 - SOA'02                      HTML     30K 
 7: EX-32.1     Certification -- §906 - SOA'02                      HTML     25K 
 8: EX-32.2     Certification -- §906 - SOA'02                      HTML     25K 
51: R1          Document and Entity Information Document            HTML     42K 
41: R2          Consolidated Statements of Operations               HTML    127K 
49: R3          Consolidated Statements of Operations               HTML     27K 
                Parenthetical (Parentheticals)                                   
53: R4          Consolidated Statements of Comprehensive Income     HTML     50K 
                (Loss)                                                           
68: R5          Consolidated Balance Sheets                         HTML    117K 
43: R6          Consolidated Balance Sheet Parentheticals           HTML     54K 
                (Parentheticals)                                                 
48: R7          Consolidated Statements of Cash Flows               HTML    134K 
37: R8          Consolidated Statements of Stockholders' Equity     HTML     83K 
29: R9          General                                             HTML     32K 
69: R10         Earnings Per Share Earnings Per Share               HTML     30K 
55: R11         Investments                                         HTML    452K 
54: R12         Fair Value                                          HTML    575K 
59: R13         Claim and Claim Adjustment Expense Reserves         HTML    222K 
60: R14         Legal Proceedings and Contingent Liabilities        HTML     25K 
58: R15         Benefit Plans                                       HTML     69K 
61: R16         Commitments, Contingencies, and Guarantees          HTML     33K 
50: R17         Accumulated Other Comprehensive Income (Loss) by    HTML    140K 
                Component                                                        
52: R18         Business Segments                                   HTML    566K 
57: R19         Discontinued Operations                             HTML     49K 
73: R20         Investments (Tables)                                HTML    461K 
64: R21         Fair Value (Tables)                                 HTML    560K 
45: R22         Claim and Claim Adjustment Expense Reserves         HTML    197K 
                (Tables)                                                         
56: R23         Benefit Plans (Tables)                              HTML     63K 
47: R24         Accumulated Other Comprehensive Income (Loss) by    HTML    131K 
                Component (Tables)                                               
23: R25         Business Segments (Tables)                          HTML    560K 
65: R26         Discontinued Operations (Tables)                    HTML     47K 
70: R27         General General (Details)                           HTML     26K 
32: R28         Earnings Per Share (Narrative) (Details)            HTML     28K 
31: R29         Investments (Narrative) (Details)                   HTML     32K 
35: R30         Investments (Net investment income) (Details)       HTML     47K 
36: R31         Investments (Net realized investment gains          HTML     38K 
                (Losses)) (Details)                                              
38: R32         Investments (Components of other-than-temporary     HTML     41K 
                impairment losses recognized in earnings)                        
                (Details)                                                        
21: R33         Investments (Summary of fixed maturity and equity   HTML     82K 
                securities) (Details)                                            
62: R34         Investments (Activity related to the pretax fixed   HTML     33K 
                maturity credit loss component reflected within                  
                retained earnings for securities still held for                  
                which a portion of an OTTI loss was recognized in                
                OCI) (Details)                                                   
44: R35         Investments (Securities in a gross unrealized loss  HTML     94K 
                position) (Details)                                              
46: R36         Investments (Contractual maturity) (Details)        HTML     57K 
26: R37         Investments Derivative Financial Instruments        HTML     42K 
                (Details)                                                        
72: R38         Fair Value (Narrative) (Details)                    HTML     26K 
15: R39         Fair Value (Assets and liabilities measured at      HTML    125K 
                fair value on a recurring basis) (Details)                       
39: R40         Fair Value (Table of reconciliation for assets and  HTML    117K 
                liabilities measured at fair value on a recurring                
                basis using significant unobservable inputs)                     
                (Details)                                                        
67: R41         Fair Value (Quantitative information about          HTML     55K 
                significant unobservable inputs in the fair value                
                measurement of level 3 assets) (Details)                         
25: R42         Fair Value (Carrying amount and estimated fair      HTML     58K 
                value of financial instrument assets and                         
                liabilities which are not measured at fair value)                
                (Details)                                                        
30: R43         Claim and Claim Adjustment Expense Reserves         HTML     60K 
                (Narrative) (Details)                                            
34: R44         Claim and Claim Adjustment Expense Reserves (Net    HTML     44K 
                prior year development) (Details)                                
42: R45         Claim and Claim Adjustment Expense Reserves (Net    HTML     36K 
                prior year claim and allocated claim adjustment                  
                expense reserve development for Specialty segment)               
                (Details)                                                        
20: R46         Claim and Claim Adjustment Expense Reserves (Net    HTML     34K 
                prior year claim and allocated claim adjustment                  
                expense reserve development for Commercial                       
                segment) (Details)                                               
28: R47         Claim and Claim Adjustment Expense Reserves Net     HTML     38K 
                prior year claim and allocated claim adjustment                  
                expense reserve development for International                    
                segment (Details)                                                
17: R48         Claim and Claim Adjustment Expense Reserves Impact  HTML     33K 
                of Loss Portfolio Transfer on the Consolidated                   
                Statement of Operations (Details)                                
66: R49         Benefit Plans (Components of net periodic cost      HTML     51K 
                (Benefit)) (Details)                                             
24: R50         Benefit Plans (Narrative) (Details)                 HTML     33K 
63: R51         Commitments, Contingencies, and Guarantees          HTML     38K 
                (Narrative) (Detail)                                             
27: R52         Accumulated Other Comprehensive Income (Loss) by    HTML     73K 
                Component (Details)                                              
40: R53         Business Segments (Income Statement Information)    HTML    126K 
                (Details)                                                        
16: R54         Business Segments (Balance Sheet Information)       HTML     76K 
                (Details)                                                        
19: R55         Business Segments (Revenues by Line of Business)    HTML     52K 
                (Details)                                                        
33: R56         Discontinued Operations Income Statement            HTML     57K 
                Information (Details)                                            
71: XML         IDEA XML File -- Filing Summary                      XML    127K 
18: EXCEL       IDEA Workbook of Financial Reports                  XLSX     90K 
 9: EX-101.INS  XBRL Instance -- cna-20150630                        XML   7.00M 
11: EX-101.CAL  XBRL Calculations -- cna-20150630_cal                XML    275K 
12: EX-101.DEF  XBRL Definitions -- cna-20150630_def                 XML    505K 
13: EX-101.LAB  XBRL Labels -- cna-20150630_lab                      XML   1.47M 
14: EX-101.PRE  XBRL Presentations -- cna-20150630_pre               XML    864K 
10: EX-101.SCH  XBRL Schema -- cna-20150630                          XSD    177K 
22: ZIP         XBRL Zipped Folder -- 0000021175-15-000088-xbrl      Zip    316K

‘EX-101.LAB’   —   XBRL Labels — cna-20150630_lab

This Exhibit is an XBRL XML File.

                                                                                                                                                                                
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<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_82309B56D5D91FF31D45E5B4FDDEE86C" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SegmentDomain_DCB93EF47EB976D02351E5B4FDDE8FF6_label_en-US" xlink:label="lab_us-gaap_SegmentDomain_DCB93EF47EB976D02351E5B4FDDE8FF6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segments [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_DCB93EF47EB976D02351E5B4FDDE8FF6" xlink:type="locator"/>
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<link:label id="lab_cna_SpecialtyMember_22E7B21874EEF38D067CE5B4FDEDB4F3_label_en-US" xlink:label="lab_cna_SpecialtyMember_22E7B21874EEF38D067CE5B4FDEDB4F3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Specialty [Member] </link:label>
<link:label id="lab_cna_SpecialtyMember_22E7B21874EEF38D067CE5B4FDEDB4F3_documentation_en-US" xlink:label="lab_cna_SpecialtyMember_22E7B21874EEF38D067CE5B4FDEDB4F3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Specialty [Member] </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_SpecialtyMember" xlink:label="loc_cna_SpecialtyMember_22E7B21874EEF38D067CE5B4FDEDB4F3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cna_SpecialtyMember_22E7B21874EEF38D067CE5B4FDEDB4F3" xlink:to="lab_cna_SpecialtyMember_22E7B21874EEF38D067CE5B4FDEDB4F3" xlink:type="arc"/>
<link:label id="lab_us-gaap_StatementLineItems_2EBDC811E0592160336EE5B4FDED7D98_label_en-US" xlink:label="lab_us-gaap_StatementLineItems_2EBDC811E0592160336EE5B4FDED7D98" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_2EBDC811E0592160336EE5B4FDED7D98" xlink:type="locator"/>
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<link:label id="lab_cna_PretaxFavorableUnfavorableNetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentExcludingLifeGroup_8229543A221EFBC3EB2BE5B4FDED6404_totalLabel_en-US" xlink:label="lab_cna_PretaxFavorableUnfavorableNetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentExcludingLifeGroup_8229543A221EFBC3EB2BE5B4FDED6404" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Pretax (favorable) unfavorable net prior year claim and allocated claim adjustment expense reserve development, excluding Life & Group </link:label>
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<link:loc xlink:href="cna-20150630.xsd#cna_PretaxFavorableUnfavorableNetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentExcludingLifeGroup" xlink:label="loc_cna_PretaxFavorableUnfavorableNetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentExcludingLifeGroup_8229543A221EFBC3EB2BE5B4FDED6404" xlink:type="locator"/>
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<link:label id="lab_us-gaap_StatementBusinessSegmentsAxis_02D9DEBB76BB34EDD26172456AB57DEE_terseLabel_en-US" xlink:label="lab_us-gaap_StatementBusinessSegmentsAxis_02D9DEBB76BB34EDD26172456AB57DEE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Segments [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_02D9DEBB76BB34EDD26172456AB57DEE" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SegmentDomain_7967AE2184B76C6044FB72456AB6E732_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentDomain_7967AE2184B76C6044FB72456AB6E732" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Segments [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_7967AE2184B76C6044FB72456AB6E732" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentDomain_7967AE2184B76C6044FB72456AB6E732" xlink:to="lab_us-gaap_SegmentDomain_7967AE2184B76C6044FB72456AB6E732" xlink:type="arc"/>
<link:label id="lab_cna_CommercialMember_4CC975F8306EC718B3D072456AB6BCC3_label_en-US" xlink:label="lab_cna_CommercialMember_4CC975F8306EC718B3D072456AB6BCC3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Commercial [Member] </link:label>
<link:label id="lab_cna_CommercialMember_4CC975F8306EC718B3D072456AB6BCC3_documentation_en-US" xlink:label="lab_cna_CommercialMember_4CC975F8306EC718B3D072456AB6BCC3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Commercial [Member] </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_CommercialMember" xlink:label="loc_cna_CommercialMember_4CC975F8306EC718B3D072456AB6BCC3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cna_CommercialMember_4CC975F8306EC718B3D072456AB6BCC3" xlink:to="lab_cna_CommercialMember_4CC975F8306EC718B3D072456AB6BCC3" xlink:type="arc"/>
<link:label id="lab_cna_InternationalMember_D8AAAB831CAB5DED849672456AB6CA42_terseLabel_en-US" xlink:label="lab_cna_InternationalMember_D8AAAB831CAB5DED849672456AB6CA42" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> International [Member] </link:label>
<link:label id="lab_cna_InternationalMember_D8AAAB831CAB5DED849672456AB6CA42_label_en-US" xlink:label="lab_cna_InternationalMember_D8AAAB831CAB5DED849672456AB6CA42" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> International [Member] </link:label>
<link:label id="lab_cna_InternationalMember_D8AAAB831CAB5DED849672456AB6CA42_documentation_en-US" xlink:label="lab_cna_InternationalMember_D8AAAB831CAB5DED849672456AB6CA42" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> International [Member] </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_InternationalMember" xlink:label="loc_cna_InternationalMember_D8AAAB831CAB5DED849672456AB6CA42" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cna_InternationalMember_D8AAAB831CAB5DED849672456AB6CA42" xlink:to="lab_cna_InternationalMember_D8AAAB831CAB5DED849672456AB6CA42" xlink:type="arc"/>
<link:label id="lab_cna_LifeAndGroupNonCoreMember_1E8AF8D1B6519FCDDA3A72456AB6A8B2_terseLabel_en-US" xlink:label="lab_cna_LifeAndGroupNonCoreMember_1E8AF8D1B6519FCDDA3A72456AB6A8B2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Life and Group Non-Core [Member] </link:label>
<link:label id="lab_cna_LifeAndGroupNonCoreMember_1E8AF8D1B6519FCDDA3A72456AB6A8B2_label_en-US" xlink:label="lab_cna_LifeAndGroupNonCoreMember_1E8AF8D1B6519FCDDA3A72456AB6A8B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Life and Group Non-Core [Member] </link:label>
<link:label id="lab_cna_LifeAndGroupNonCoreMember_1E8AF8D1B6519FCDDA3A72456AB6A8B2_documentation_en-US" xlink:label="lab_cna_LifeAndGroupNonCoreMember_1E8AF8D1B6519FCDDA3A72456AB6A8B2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Life and Group Non-Core [Member] </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_LifeAndGroupNonCoreMember" xlink:label="loc_cna_LifeAndGroupNonCoreMember_1E8AF8D1B6519FCDDA3A72456AB6A8B2" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CorporateAndOtherMember_82FD3E3A646C9337DFDC72456AB6D43F_terseLabel_en-US" xlink:label="lab_us-gaap_CorporateAndOtherMember_82FD3E3A646C9337DFDC72456AB6D43F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Corporate and Other Non-Core [Member] </link:label>
<link:label id="lab_us-gaap_CorporateAndOtherMember_82FD3E3A646C9337DFDC72456AB6D43F_label_en-US" xlink:label="lab_us-gaap_CorporateAndOtherMember_82FD3E3A646C9337DFDC72456AB6D43F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Corporate and Other [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CorporateAndOtherMember" xlink:label="loc_us-gaap_CorporateAndOtherMember_82FD3E3A646C9337DFDC72456AB6D43F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IntersegmentEliminationMember_044C50D2CFC2BE05FA7F72456AB6C287_terseLabel_en-US" xlink:label="lab_us-gaap_IntersegmentEliminationMember_044C50D2CFC2BE05FA7F72456AB6C287" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Eliminations [Member] </link:label>
<link:label id="lab_us-gaap_IntersegmentEliminationMember_044C50D2CFC2BE05FA7F72456AB6C287_label_en-US" xlink:label="lab_us-gaap_IntersegmentEliminationMember_044C50D2CFC2BE05FA7F72456AB6C287" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Intersegment Eliminations [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IntersegmentEliminationMember" xlink:label="loc_us-gaap_IntersegmentEliminationMember_044C50D2CFC2BE05FA7F72456AB6C287" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SegmentReportingInformationLineItems_AD8B8D94F3ECEDC9C91C72456AB6A062_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingInformationLineItems_AD8B8D94F3ECEDC9C91C72456AB6A062" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Segment Reporting Information [Line Items] </link:label>
<link:label id="lab_us-gaap_SegmentReportingInformationLineItems_AD8B8D94F3ECEDC9C91C72456AB6A062_label_en-US" xlink:label="lab_us-gaap_SegmentReportingInformationLineItems_AD8B8D94F3ECEDC9C91C72456AB6A062" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segment Reporting Information [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_AD8B8D94F3ECEDC9C91C72456AB6A062" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ReinsuranceRecoverablesGross_C6AEF527090057EB600A72456AB660AF_terseLabel_en-US" xlink:label="lab_us-gaap_ReinsuranceRecoverablesGross_C6AEF527090057EB600A72456AB660AF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Reinsurance receivables </link:label>
<link:label id="lab_us-gaap_ReinsuranceRecoverablesGross_C6AEF527090057EB600A72456AB660AF_label_en-US" xlink:label="lab_us-gaap_ReinsuranceRecoverablesGross_C6AEF527090057EB600A72456AB660AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Reinsurance Recoverables, Gross </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ReinsuranceRecoverablesGross" xlink:label="loc_us-gaap_ReinsuranceRecoverablesGross_C6AEF527090057EB600A72456AB660AF" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PremiumsReceivableGross_A622E00831098AE3810672456AB6EF21_terseLabel_en-US" xlink:label="lab_us-gaap_PremiumsReceivableGross_A622E00831098AE3810672456AB6EF21" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Insurance receivables </link:label>
<link:label id="lab_us-gaap_PremiumsReceivableGross_A622E00831098AE3810672456AB6EF21_label_en-US" xlink:label="lab_us-gaap_PremiumsReceivableGross_A622E00831098AE3810672456AB6EF21" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Premiums Receivable, Gross </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PremiumsReceivableGross" xlink:label="loc_us-gaap_PremiumsReceivableGross_A622E00831098AE3810672456AB6EF21" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DeferredPolicyAcquisitionCosts_6096F717F0D6B98551F372456AB68928_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredPolicyAcquisitionCosts_6096F717F0D6B98551F372456AB68928" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred acquisition costs </link:label>
<link:label id="lab_us-gaap_DeferredPolicyAcquisitionCosts_6096F717F0D6B98551F372456AB68928_label_en-US" xlink:label="lab_us-gaap_DeferredPolicyAcquisitionCosts_6096F717F0D6B98551F372456AB68928" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Policy Acquisition Costs </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredPolicyAcquisitionCosts" xlink:label="loc_us-gaap_DeferredPolicyAcquisitionCosts_6096F717F0D6B98551F372456AB68928" xlink:type="locator"/>
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<link:label id="lab_us-gaap_Goodwill_ECCFFC94F8B30753F92672456AB65D0B_verboseLabel_en-US" xlink:label="lab_us-gaap_Goodwill_ECCFFC94F8B30753F92672456AB65D0B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill </link:label>
<link:label id="lab_us-gaap_Goodwill_ECCFFC94F8B30753F92672456AB65D0B_label_en-US" xlink:label="lab_us-gaap_Goodwill_ECCFFC94F8B30753F92672456AB65D0B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_ECCFFC94F8B30753F92672456AB65D0B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_InsuranceLossReservesAbstract_878866B295CBEC44C1FA72456AB6112E_terseLabel_en-US" xlink:label="lab_us-gaap_InsuranceLossReservesAbstract_878866B295CBEC44C1FA72456AB6112E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Insurance reserves </link:label>
<link:label id="lab_us-gaap_InsuranceLossReservesAbstract_878866B295CBEC44C1FA72456AB6112E_label_en-US" xlink:label="lab_us-gaap_InsuranceLossReservesAbstract_878866B295CBEC44C1FA72456AB6112E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Insurance Loss Reserves [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InsuranceLossReservesAbstract" xlink:label="loc_us-gaap_InsuranceLossReservesAbstract_878866B295CBEC44C1FA72456AB6112E" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_7F7456F89462D35BE4DE72456AB68CCD_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_7F7456F89462D35BE4DE72456AB68CCD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Claim and claim adjustment expenses </link:label>
<link:label id="lab_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_7F7456F89462D35BE4DE72456AB68CCD_label_en-US" xlink:label="lab_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_7F7456F89462D35BE4DE72456AB68CCD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liability for Claims and Claims Adjustment Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense" xlink:label="loc_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_7F7456F89462D35BE4DE72456AB68CCD" xlink:type="locator"/>
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<link:label id="lab_us-gaap_UnearnedPremiums_944476F49B58841B67AC72456ABCE126_terseLabel_en-US" xlink:label="lab_us-gaap_UnearnedPremiums_944476F49B58841B67AC72456ABCE126" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unearned premiums </link:label>
<link:label id="lab_us-gaap_UnearnedPremiums_944476F49B58841B67AC72456ABCE126_label_en-US" xlink:label="lab_us-gaap_UnearnedPremiums_944476F49B58841B67AC72456ABCE126" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Unearned Premiums </link:label>
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<link:label id="lab_us-gaap_LiabilityForFuturePolicyBenefits_99A7DC66F25471E53FDF72456ABCC1F4_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilityForFuturePolicyBenefits_99A7DC66F25471E53FDF72456ABCC1F4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Future policy benefits </link:label>
<link:label id="lab_us-gaap_LiabilityForFuturePolicyBenefits_99A7DC66F25471E53FDF72456ABCC1F4_label_en-US" xlink:label="lab_us-gaap_LiabilityForFuturePolicyBenefits_99A7DC66F25471E53FDF72456ABCC1F4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liability for Future Policy Benefits </link:label>
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<link:label id="lab_us-gaap_PolicyholderContractDeposits_D18DAF80F229C829506972456ABC5629_terseLabel_en-US" xlink:label="lab_us-gaap_PolicyholderContractDeposits_D18DAF80F229C829506972456ABC5629" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Policyholders’ funds </link:label>
<link:label id="lab_us-gaap_PolicyholderContractDeposits_D18DAF80F229C829506972456ABC5629_label_en-US" xlink:label="lab_us-gaap_PolicyholderContractDeposits_D18DAF80F229C829506972456ABC5629" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Policyholder Contract Deposits </link:label>
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<link:label id="lab_us-gaap_StatementOfFinancialPositionAbstract_D7F7D184291E33F6A14C314BC3BB39C8_label_en-US" xlink:label="lab_us-gaap_StatementOfFinancialPositionAbstract_D7F7D184291E33F6A14C314BC3BB39C8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement of Financial Position [Abstract] </link:label>
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<link:label id="lab_us-gaap_AssetsAbstract_21EE800E81828ED8C4E0314BC3BB7463_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsAbstract_21EE800E81828ED8C4E0314BC3BB7463" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Assets </link:label>
<link:label id="lab_us-gaap_AssetsAbstract_21EE800E81828ED8C4E0314BC3BB7463_label_en-US" xlink:label="lab_us-gaap_AssetsAbstract_21EE800E81828ED8C4E0314BC3BB7463" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets [Abstract] </link:label>
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<link:label id="lab_us-gaap_InvestmentsAbstract_C2E7DBE5F0AD898D50C0314BC3BBA779_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentsAbstract_C2E7DBE5F0AD898D50C0314BC3BBA779" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Investments: </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InvestmentsAbstract" xlink:label="loc_us-gaap_InvestmentsAbstract_C2E7DBE5F0AD898D50C0314BC3BBA779" xlink:type="locator"/>
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<link:label id="lab_us-gaap_MarketableSecuritiesFixedMaturities_3C61FA3CECB57690CBFF314BC3BB4BA4_verboseLabel_en-US" xlink:label="lab_us-gaap_MarketableSecuritiesFixedMaturities_3C61FA3CECB57690CBFF314BC3BB4BA4" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Fixed maturity securities at fair value </link:label>
<link:label id="lab_us-gaap_MarketableSecuritiesFixedMaturities_3C61FA3CECB57690CBFF314BC3BB4BA4_label_en-US" xlink:label="lab_us-gaap_MarketableSecuritiesFixedMaturities_3C61FA3CECB57690CBFF314BC3BB4BA4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Marketable Securities, Fixed Maturities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MarketableSecuritiesFixedMaturities" xlink:label="loc_us-gaap_MarketableSecuritiesFixedMaturities_3C61FA3CECB57690CBFF314BC3BB4BA4" xlink:type="locator"/>
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<link:label id="lab_us-gaap_MarketableSecuritiesEquitySecurities_B1E63C68910A2D607684314BC3BB2D69_verboseLabel_en-US" xlink:label="lab_us-gaap_MarketableSecuritiesEquitySecurities_B1E63C68910A2D607684314BC3BB2D69" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Equity securities at fair value </link:label>
<link:label id="lab_us-gaap_MarketableSecuritiesEquitySecurities_B1E63C68910A2D607684314BC3BB2D69_label_en-US" xlink:label="lab_us-gaap_MarketableSecuritiesEquitySecurities_B1E63C68910A2D607684314BC3BB2D69" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Marketable Securities, Equity Securities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MarketableSecuritiesEquitySecurities" xlink:label="loc_us-gaap_MarketableSecuritiesEquitySecurities_B1E63C68910A2D607684314BC3BB2D69" xlink:type="locator"/>
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<link:label id="lab_cna_LimitedPartnershipInvestments_C5BE05EDB04F3A8DDEA1314BC3BBF738_terseLabel_en-US" xlink:label="lab_cna_LimitedPartnershipInvestments_C5BE05EDB04F3A8DDEA1314BC3BBF738" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Limited partnership investments </link:label>
<link:label id="lab_cna_LimitedPartnershipInvestments_C5BE05EDB04F3A8DDEA1314BC3BBF738_label_en-US" xlink:label="lab_cna_LimitedPartnershipInvestments_C5BE05EDB04F3A8DDEA1314BC3BBF738" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Limited partnership investments </link:label>
<link:label id="lab_cna_LimitedPartnershipInvestments_C5BE05EDB04F3A8DDEA1314BC3BBF738_documentation_en-US" xlink:label="lab_cna_LimitedPartnershipInvestments_C5BE05EDB04F3A8DDEA1314BC3BBF738" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> This item represents the carrying amount on the entity's balance sheet of its investment in limited partnerships. </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_LimitedPartnershipInvestments" xlink:label="loc_cna_LimitedPartnershipInvestments_C5BE05EDB04F3A8DDEA1314BC3BBF738" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cna_LimitedPartnershipInvestments_C5BE05EDB04F3A8DDEA1314BC3BBF738" xlink:to="lab_cna_LimitedPartnershipInvestments_C5BE05EDB04F3A8DDEA1314BC3BBF738" xlink:type="arc"/>
<link:label id="lab_us-gaap_OtherInvestments_895DE51A609503A56CBF314BC3BB4331_terseLabel_en-US" xlink:label="lab_us-gaap_OtherInvestments_895DE51A609503A56CBF314BC3BB4331" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other invested assets </link:label>
<link:label id="lab_us-gaap_OtherInvestments_895DE51A609503A56CBF314BC3BB4331_label_en-US" xlink:label="lab_us-gaap_OtherInvestments_895DE51A609503A56CBF314BC3BB4331" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherInvestments" xlink:label="loc_us-gaap_OtherInvestments_895DE51A609503A56CBF314BC3BB4331" xlink:type="locator"/>
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<link:label id="lab_us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet_4DD7C1B928BAFA3F8493314BC3BB81F2_terseLabel_en-US" xlink:label="lab_us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet_4DD7C1B928BAFA3F8493314BC3BB81F2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Mortgage loans </link:label>
<link:label id="lab_us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet_4DD7C1B928BAFA3F8493314BC3BB81F2_label_en-US" xlink:label="lab_us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet_4DD7C1B928BAFA3F8493314BC3BB81F2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Mortgage Loans on Real Estate, Commercial and Consumer, Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet" xlink:label="loc_us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet_4DD7C1B928BAFA3F8493314BC3BB81F2" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShortTermInvestments_1DDDD7C0DF9DFA7A66B2314BC3BBC46F_terseLabel_en-US" xlink:label="lab_us-gaap_ShortTermInvestments_1DDDD7C0DF9DFA7A66B2314BC3BBC46F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Short term investments </link:label>
<link:label id="lab_us-gaap_ShortTermInvestments_1DDDD7C0DF9DFA7A66B2314BC3BBC46F_label_en-US" xlink:label="lab_us-gaap_ShortTermInvestments_1DDDD7C0DF9DFA7A66B2314BC3BBC46F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Short-term Investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShortTermInvestments" xlink:label="loc_us-gaap_ShortTermInvestments_1DDDD7C0DF9DFA7A66B2314BC3BBC46F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_Investments_F338A22B6829C494FFBF314BC3BB7713_totalLabel_en-US" xlink:label="lab_us-gaap_Investments_F338A22B6829C494FFBF314BC3BB7713" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total investments </link:label>
<link:label id="lab_us-gaap_Investments_F338A22B6829C494FFBF314BC3BB7713_label_en-US" xlink:label="lab_us-gaap_Investments_F338A22B6829C494FFBF314BC3BB7713" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Investments </link:label>
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<link:label id="lab_us-gaap_Cash_7CFF79A1B408E3038716314BC3BB19DB_terseLabel_en-US" xlink:label="lab_us-gaap_Cash_7CFF79A1B408E3038716314BC3BB19DB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash </link:label>
<link:label id="lab_us-gaap_Cash_7CFF79A1B408E3038716314BC3BB19DB_label_en-US" xlink:label="lab_us-gaap_Cash_7CFF79A1B408E3038716314BC3BB19DB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Cash" xlink:label="loc_us-gaap_Cash_7CFF79A1B408E3038716314BC3BB19DB" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ReinsuranceRecoverables_F1649530A1702744D7BF314BC3BB11A8_verboseLabel_en-US" xlink:label="lab_us-gaap_ReinsuranceRecoverables_F1649530A1702744D7BF314BC3BB11A8" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Reinsurance receivables </link:label>
<link:label id="lab_us-gaap_ReinsuranceRecoverables_F1649530A1702744D7BF314BC3BB11A8_label_en-US" xlink:label="lab_us-gaap_ReinsuranceRecoverables_F1649530A1702744D7BF314BC3BB11A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Reinsurance Recoverables </link:label>
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<link:label id="lab_us-gaap_PremiumsReceivableAtCarryingValue_85C41AC4E7E4053E5279314BC3BBC50B_verboseLabel_en-US" xlink:label="lab_us-gaap_PremiumsReceivableAtCarryingValue_85C41AC4E7E4053E5279314BC3BBC50B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Insurance receivables </link:label>
<link:label id="lab_us-gaap_PremiumsReceivableAtCarryingValue_85C41AC4E7E4053E5279314BC3BBC50B_label_en-US" xlink:label="lab_us-gaap_PremiumsReceivableAtCarryingValue_85C41AC4E7E4053E5279314BC3BBC50B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Premiums Receivable, Net </link:label>
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<link:label id="lab_us-gaap_AccruedInvestmentIncomeReceivable_EE403A504D34BA2D2CE4314BC3BBA791_terseLabel_en-US" xlink:label="lab_us-gaap_AccruedInvestmentIncomeReceivable_EE403A504D34BA2D2CE4314BC3BBA791" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accrued investment income </link:label>
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<link:label id="lab_us-gaap_DeferredTaxAssetsLiabilitiesNet_568A54F2CA764943FFC4314BC3BB70B3_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsLiabilitiesNet_568A54F2CA764943FFC4314BC3BB70B3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred income taxes </link:label>
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<link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquity_0C61DF9D7674DA0E8968314BC3BBE70B_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity_0C61DF9D7674DA0E8968314BC3BBE70B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities and Equity </link:label>
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<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_33C1D5574D9E13455D3B6E6F061CDD6A_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_33C1D5574D9E13455D3B6E6F061CDD6A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] </link:label>
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<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_6A12B13BB07106D616C36E6F061C857F_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_6A12B13BB07106D616C36E6F061C857F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss) [Table] </link:label>
<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_6A12B13BB07106D616C36E6F061C857F_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_6A12B13BB07106D616C36E6F061C857F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss) [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_6A12B13BB07106D616C36E6F061C857F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_StatementEquityComponentsAxis_C9349E663B1380449ED56E6F061C9B4D_terseLabel_en-US" xlink:label="lab_us-gaap_StatementEquityComponentsAxis_C9349E663B1380449ED56E6F061C9B4D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity Components [Axis] </link:label>
<link:label id="lab_us-gaap_StatementEquityComponentsAxis_C9349E663B1380449ED56E6F061C9B4D_label_en-US" xlink:label="lab_us-gaap_StatementEquityComponentsAxis_C9349E663B1380449ED56E6F061C9B4D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Components [Axis] </link:label>
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<link:label id="lab_us-gaap_EquityComponentDomain_766D8F5C7F18B43122816E6F061C5CD5_terseLabel_en-US" xlink:label="lab_us-gaap_EquityComponentDomain_766D8F5C7F18B43122816E6F061C5CD5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity Component [Domain] </link:label>
<link:label id="lab_us-gaap_EquityComponentDomain_766D8F5C7F18B43122816E6F061C5CD5_label_en-US" xlink:label="lab_us-gaap_EquityComponentDomain_766D8F5C7F18B43122816E6F061C5CD5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Component [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_766D8F5C7F18B43122816E6F061C5CD5" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AccumulatedOtherThanTemporaryImpairmentMember_9EDB17717ABECF5785346E6F061C57F1_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherThanTemporaryImpairmentMember_9EDB17717ABECF5785346E6F061C57F1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net unrealized gains (losses) on investments with OTTI losses [Member) </link:label>
<link:label id="lab_us-gaap_AccumulatedOtherThanTemporaryImpairmentMember_9EDB17717ABECF5785346E6F061C57F1_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherThanTemporaryImpairmentMember_9EDB17717ABECF5785346E6F061C57F1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Other-than-Temporary Impairment [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedOtherThanTemporaryImpairmentMember" xlink:label="loc_us-gaap_AccumulatedOtherThanTemporaryImpairmentMember_9EDB17717ABECF5785346E6F061C57F1" xlink:type="locator"/>
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<link:label id="lab_cna_AccumulatedNetUnrealizedGainsLossesOnOtherInvestmentsMember_3441EF9286A692EE786C6E6F061C6D7E_terseLabel_en-US" xlink:label="lab_cna_AccumulatedNetUnrealizedGainsLossesOnOtherInvestmentsMember_3441EF9286A692EE786C6E6F061C6D7E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net unrealized gains (losses) on other investments [Member] </link:label>
<link:label id="lab_cna_AccumulatedNetUnrealizedGainsLossesOnOtherInvestmentsMember_3441EF9286A692EE786C6E6F061C6D7E_label_en-US" xlink:label="lab_cna_AccumulatedNetUnrealizedGainsLossesOnOtherInvestmentsMember_3441EF9286A692EE786C6E6F061C6D7E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Net Unrealized Gains Losses On Other Investments [Member] </link:label>
<link:label id="lab_cna_AccumulatedNetUnrealizedGainsLossesOnOtherInvestmentsMember_3441EF9286A692EE786C6E6F061C6D7E_documentation_en-US" xlink:label="lab_cna_AccumulatedNetUnrealizedGainsLossesOnOtherInvestmentsMember_3441EF9286A692EE786C6E6F061C6D7E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Changes to accumulated comprehensive income resulting from the net appreciation or the net loss in value other investments, excluding those other-than-temporarily-impaired. </link:label>
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<link:label id="lab_cna_AccumulatedNetUnrealizedGainsLossesondiscontinuedoperationsMember_E8105C9E7B0A07A8EF6D6E6F061CBE11_terseLabel_en-US" xlink:label="lab_cna_AccumulatedNetUnrealizedGainsLossesondiscontinuedoperationsMember_E8105C9E7B0A07A8EF6D6E6F061CBE11" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated Net Unrealized Gains Losses on discontinued operations [Member] </link:label>
<link:label id="lab_cna_AccumulatedNetUnrealizedGainsLossesondiscontinuedoperationsMember_E8105C9E7B0A07A8EF6D6E6F061CBE11_label_en-US" xlink:label="lab_cna_AccumulatedNetUnrealizedGainsLossesondiscontinuedoperationsMember_E8105C9E7B0A07A8EF6D6E6F061CBE11" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Net Unrealized Gains Losses on discontinued operations [Member] </link:label>
<link:label id="lab_cna_AccumulatedNetUnrealizedGainsLossesondiscontinuedoperationsMember_E8105C9E7B0A07A8EF6D6E6F061CBE11_documentation_en-US" xlink:label="lab_cna_AccumulatedNetUnrealizedGainsLossesondiscontinuedoperationsMember_E8105C9E7B0A07A8EF6D6E6F061CBE11" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Accumulated Net Unrealized Gains Losses on discontinued operations [Member] </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_AccumulatedNetUnrealizedGainsLossesondiscontinuedoperationsMember" xlink:label="loc_cna_AccumulatedNetUnrealizedGainsLossesondiscontinuedoperationsMember_E8105C9E7B0A07A8EF6D6E6F061CBE11" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_06692DF163BDC9BA6CBA6E6F061DAA6A_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_06692DF163BDC9BA6CBA6E6F061DAA6A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Pension and postretirement benefits [Member] </link:label>
<link:label id="lab_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_06692DF163BDC9BA6CBA6E6F061DAA6A_label_en-US" xlink:label="lab_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_06692DF163BDC9BA6CBA6E6F061DAA6A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Defined Benefit Plans Adjustment [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_06692DF163BDC9BA6CBA6E6F061DAA6A" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AccumulatedTranslationAdjustmentMember_FBC87538453E9CE1F4216E6F061D6F25_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedTranslationAdjustmentMember_FBC87538453E9CE1F4216E6F061D6F25" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cumulative foreign currency translation adjustment [Member] </link:label>
<link:label id="lab_us-gaap_AccumulatedTranslationAdjustmentMember_FBC87538453E9CE1F4216E6F061D6F25_label_en-US" xlink:label="lab_us-gaap_AccumulatedTranslationAdjustmentMember_FBC87538453E9CE1F4216E6F061D6F25" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Translation Adjustment [Member] </link:label>
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<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_9500ECAC1069EC3467DF6E6F061DB599_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_9500ECAC1069EC3467DF6E6F061DB599" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss) [Line Items] </link:label>
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<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_5A571932A264E6BA91416E6F061DA7FF_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_5A571932A264E6BA91416E6F061DA7FF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other comprehensive income (loss), before reclassifications </link:label>
<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_5A571932A264E6BA91416E6F061DA7FF_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_5A571932A264E6BA91416E6F061DA7FF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Comprehensive Income (Loss), before Reclassifications, Net of Tax </link:label>
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<link:label id="lab_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_7C0E632FBE57CF2BD3B06E6F061DC561_terseLabel_en-US" xlink:label="lab_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_7C0E632FBE57CF2BD3B06E6F061DC561" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amounts reclassified from accumulated other comprehensive income (loss) after tax (expense) benefit </link:label>
<link:label id="lab_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_7C0E632FBE57CF2BD3B06E6F061DC561_label_en-US" xlink:label="lab_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_7C0E632FBE57CF2BD3B06E6F061DC561" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax </link:label>
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<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_0538022CB84319A8F3356E6F061D9E34_totalLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_0538022CB84319A8F3356E6F061D9E34" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Other comprehensive income (loss) after tax (expense) benefit </link:label>
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<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_8E898DE8390DD7D87E336E6F061D3538_periodEndLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_8E898DE8390DD7D87E336E6F061D3538" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Accumulated other comprehensive income (loss), ending balance </link:label>
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<link:label id="lab_cna_TaxExpenseBenefitOnReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriod_0BE4B1E878BE71A93EE76E6F061DEE9F_negatedTerseLabel_en-US" xlink:label="lab_cna_TaxExpenseBenefitOnReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriod_0BE4B1E878BE71A93EE76E6F061DEE9F" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Tax (expense) benefit on amounts reclassified from accumulated other comprehensive income (loss) </link:label>
<link:label id="lab_cna_TaxExpenseBenefitOnReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriod_0BE4B1E878BE71A93EE76E6F061DEE9F_label_en-US" xlink:label="lab_cna_TaxExpenseBenefitOnReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriod_0BE4B1E878BE71A93EE76E6F061DEE9F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Tax Expense Benefit On Reclassification From Accumulated Other Comprehensive Income Current Period </link:label>
<link:label id="lab_cna_TaxExpenseBenefitOnReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriod_0BE4B1E878BE71A93EE76E6F061DEE9F_documentation_en-US" xlink:label="lab_cna_TaxExpenseBenefitOnReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriod_0BE4B1E878BE71A93EE76E6F061DEE9F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Tax Expense Benefit On Reclassification From Accumulated Other Comprehensive Income Current Period </link:label>
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<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1_A2C38855FE40D1B651306E6F061D82EF_negatedLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1_A2C38855FE40D1B651306E6F061D82EF" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Tax (expense) benefit on other comprehensive income (loss) </link:label>
<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1_A2C38855FE40D1B651306E6F061D82EF_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1_A2C38855FE40D1B651306E6F061D82EF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent </link:label>
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<link:label id="lab_cna_PretaxFavorableUnfavorablePremiumDevelopmentExcludingLifeGroup_70E61BAC95D2031C47CEF7F1A867AE1D_terseLabel_en-US" xlink:label="lab_cna_PretaxFavorableUnfavorablePremiumDevelopmentExcludingLifeGroup_70E61BAC95D2031C47CEF7F1A867AE1D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Pretax (favorable) unfavorable premium development, excluding Life & Group </link:label>
<link:label id="lab_cna_PretaxFavorableUnfavorablePremiumDevelopmentExcludingLifeGroup_70E61BAC95D2031C47CEF7F1A867AE1D_label_en-US" xlink:label="lab_cna_PretaxFavorableUnfavorablePremiumDevelopmentExcludingLifeGroup_70E61BAC95D2031C47CEF7F1A867AE1D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Pretax (Favorable) Unfavorable Premium Development, Excluding Life & Group </link:label>
<link:label id="lab_cna_PretaxFavorableUnfavorablePremiumDevelopmentExcludingLifeGroup_70E61BAC95D2031C47CEF7F1A867AE1D_documentation_en-US" xlink:label="lab_cna_PretaxFavorableUnfavorablePremiumDevelopmentExcludingLifeGroup_70E61BAC95D2031C47CEF7F1A867AE1D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Pretax Favorable Unfavorable Premium Development, excluding Life & Group </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_PretaxFavorableUnfavorablePremiumDevelopmentExcludingLifeGroup" xlink:label="loc_cna_PretaxFavorableUnfavorablePremiumDevelopmentExcludingLifeGroup_70E61BAC95D2031C47CEF7F1A867AE1D" xlink:type="locator"/>
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<link:label id="lab_cna_TotalPretaxFavorableUnfavorableNetPriorYearDevelopmentExcludingLifeGroup_37C475D2872B8382BB2BF7F1A8673C57_totalLabel_en-US" xlink:label="lab_cna_TotalPretaxFavorableUnfavorableNetPriorYearDevelopmentExcludingLifeGroup_37C475D2872B8382BB2BF7F1A8673C57" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total pretax (favorable) unfavorable net prior year development, excluding Life & Group </link:label>
<link:label id="lab_cna_TotalPretaxFavorableUnfavorableNetPriorYearDevelopmentExcludingLifeGroup_37C475D2872B8382BB2BF7F1A8673C57_label_en-US" xlink:label="lab_cna_TotalPretaxFavorableUnfavorableNetPriorYearDevelopmentExcludingLifeGroup_37C475D2872B8382BB2BF7F1A8673C57" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Total Pretax Favorable Unfavorable Net Prior Year Development, excluding Life & Group </link:label>
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<link:loc xlink:href="cna-20150630.xsd#cna_TotalPretaxFavorableUnfavorableNetPriorYearDevelopmentExcludingLifeGroup" xlink:label="loc_cna_TotalPretaxFavorableUnfavorableNetPriorYearDevelopmentExcludingLifeGroup_37C475D2872B8382BB2BF7F1A8673C57" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FairValueDisclosuresAbstract_BF3DB645FD75EAFBA220BC2886C670BC_label_en-US" xlink:label="lab_us-gaap_FairValueDisclosuresAbstract_BF3DB645FD75EAFBA220BC2886C670BC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value Disclosures [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_BF3DB645FD75EAFBA220BC2886C670BC" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_A07C8A75A629B53A9096BC2886C614AE_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_A07C8A75A629B53A9096BC2886C614AE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair Value Measurements, Recurring and Nonrecurring [Table] </link:label>
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<link:label id="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis_657B375D34EC1E72A32BBC2886C60C4D_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis_657B375D34EC1E72A32BBC2886C60C4D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair Value, Hierarchy [Axis] </link:label>
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<link:label id="lab_us-gaap_FairValueInputsLevel3Member_00D0C28E2B5E24EF612ABC2886C7AB7B_label_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel3Member_00D0C28E2B5E24EF612ABC2886C7AB7B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Inputs, Level 3 [Member] </link:label>
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<link:label id="lab_us-gaap_FixedIncomeSecuritiesMember_2490A50D0C4BC3F86F72BC2886C71AC1_terseLabel_en-US" xlink:label="lab_us-gaap_FixedIncomeSecuritiesMember_2490A50D0C4BC3F86F72BC2886C71AC1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fixed maturity securities [Member] </link:label>
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<link:label id="lab_us-gaap_EquitySecuritiesMember_601E10EC6467A548818ABC2886C76BD0_terseLabel_en-US" xlink:label="lab_us-gaap_EquitySecuritiesMember_601E10EC6467A548818ABC2886C76BD0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity securities [Member] </link:label>
<link:label id="lab_us-gaap_EquitySecuritiesMember_601E10EC6467A548818ABC2886C76BD0_label_en-US" xlink:label="lab_us-gaap_EquitySecuritiesMember_601E10EC6467A548818ABC2886C76BD0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Securities [Member] </link:label>
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<link:label id="lab_cna_OtherInvestedAssetsMember_AC3A3C03F023A187D72CBC2886C7C7B3_verboseLabel_en-US" xlink:label="lab_cna_OtherInvestedAssetsMember_AC3A3C03F023A187D72CBC2886C7C7B3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Other invested assets [Member] </link:label>
<link:label id="lab_cna_OtherInvestedAssetsMember_AC3A3C03F023A187D72CBC2886C7C7B3_label_en-US" xlink:label="lab_cna_OtherInvestedAssetsMember_AC3A3C03F023A187D72CBC2886C7C7B3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other invested assets [Member] </link:label>
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<link:label id="lab_us-gaap_ShortTermInvestmentsMember_FC7033AEA88FB61D879CBC2886C8D1E9_terseLabel_en-US" xlink:label="lab_us-gaap_ShortTermInvestmentsMember_FC7033AEA88FB61D879CBC2886C8D1E9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Short term investments [Member] </link:label>
<link:label id="lab_us-gaap_ShortTermInvestmentsMember_FC7033AEA88FB61D879CBC2886C8D1E9_label_en-US" xlink:label="lab_us-gaap_ShortTermInvestmentsMember_FC7033AEA88FB61D879CBC2886C8D1E9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Short-term Investments [Member] </link:label>
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<link:label id="lab_cna_LifeSettlementContractsIncludedInOtherAssetsMember_8A96B96F1389CFFC7B0BBC2886C8F4A1_terseLabel_en-US" xlink:label="lab_cna_LifeSettlementContractsIncludedInOtherAssetsMember_8A96B96F1389CFFC7B0BBC2886C8F4A1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Life settlement contracts, included in Other assets [Member] </link:label>
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<link:loc xlink:href="cna-20150630.xsd#cna_LifeSettlementContractsIncludedInOtherAssetsMember" xlink:label="loc_cna_LifeSettlementContractsIncludedInOtherAssetsMember_8A96B96F1389CFFC7B0BBC2886C8F4A1" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EmbeddedDerivativeFinancialInstrumentsMember_0D1D6F0997B4FE2D3BCDBC2886C82B74_terseLabel_en-US" xlink:label="lab_us-gaap_EmbeddedDerivativeFinancialInstrumentsMember_0D1D6F0997B4FE2D3BCDBC2886C82B74" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Embedded Derivative Financial Instruments [Member] </link:label>
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<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EmbeddedDerivativeFinancialInstrumentsMember" xlink:label="loc_us-gaap_EmbeddedDerivativeFinancialInstrumentsMember_0D1D6F0997B4FE2D3BCDBC2886C82B74" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_20FE3F252316EFC15FA7BC2886C87C11_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_20FE3F252316EFC15FA7BC2886C87C11" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] </link:label>
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<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_20FE3F252316EFC15FA7BC2886C87C11" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LiabilitiesFairValueDisclosureRecurring_3F1BF14BCC17B9E490ECBC2886C80AEC_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesFairValueDisclosureRecurring_3F1BF14BCC17B9E490ECBC2886C80AEC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair value of liabilities, measured on a recurring basis </link:label>
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<link:label id="lab_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_06620CD6F442197E124BBB3282C7096A_label_en-US" xlink:label="lab_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_06620CD6F442197E124BBB3282C7096A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement of Comprehensive Income [Abstract] </link:label>
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<link:label id="lab_us-gaap_NetIncomeLoss_ADAB993EDB7CBB278EA9BB3282D70B62_terseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_ADAB993EDB7CBB278EA9BB3282D70B62" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net income (loss) </link:label>
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<link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTax_73808FC043EE8E838408BB3282D7A664_totalLabel_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax_73808FC043EE8E838408BB3282D7A664" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total comprehensive income (loss) </link:label>
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<link:label id="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost_8F16861AC2EC08EEA70D72456B01F27F_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost_8F16861AC2EC08EEA70D72456B01F27F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Due after ten years, cost or amortized cost </link:label>
<link:label id="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost_8F16861AC2EC08EEA70D72456B01F27F_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost_8F16861AC2EC08EEA70D72456B01F27F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Available-for-sale Securities, Debt Maturities, after Ten Years, Amortized Cost Basis </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost_8F16861AC2EC08EEA70D72456B01F27F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost_8F16861AC2EC08EEA70D72456B01F27F" xlink:to="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost_8F16861AC2EC08EEA70D72456B01F27F" xlink:type="arc"/>
<link:label id="lab_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_430DC21053A8D380FD5472456B018318_totalLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_430DC21053A8D380FD5472456B018318" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total Amortized Cost Basis </link:label>
<link:label id="lab_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_430DC21053A8D380FD5472456B018318_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_430DC21053A8D380FD5472456B018318" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Available-for-sale Debt Securities, Amortized Cost Basis </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_430DC21053A8D380FD5472456B018318" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_430DC21053A8D380FD5472456B018318" xlink:to="lab_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_430DC21053A8D380FD5472456B018318" xlink:type="arc"/>
<link:label id="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_C93254BCD1229EB5D8B472456B017FDB_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_C93254BCD1229EB5D8B472456B017FDB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Due in one year or less, estimated fair value </link:label>
<link:label id="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_C93254BCD1229EB5D8B472456B017FDB_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_C93254BCD1229EB5D8B472456B017FDB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_C93254BCD1229EB5D8B472456B017FDB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_C93254BCD1229EB5D8B472456B017FDB" xlink:to="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_C93254BCD1229EB5D8B472456B017FDB" xlink:type="arc"/>
<link:label id="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_5565ACC7BBB2F9F6AA4672456B019CE9_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_5565ACC7BBB2F9F6AA4672456B019CE9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Due after one year through five years, estimated fair value </link:label>
<link:label id="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_5565ACC7BBB2F9F6AA4672456B019CE9_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_5565ACC7BBB2F9F6AA4672456B019CE9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_5565ACC7BBB2F9F6AA4672456B019CE9" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_5565ACC7BBB2F9F6AA4672456B019CE9" xlink:to="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_5565ACC7BBB2F9F6AA4672456B019CE9" xlink:type="arc"/>
<link:label id="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_DD690A695ED8F71D3B7A72456B02D0F6_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_DD690A695ED8F71D3B7A72456B02D0F6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Due after five years through ten years, estimated fair value </link:label>
<link:label id="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_DD690A695ED8F71D3B7A72456B02D0F6_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_DD690A695ED8F71D3B7A72456B02D0F6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Fair Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_DD690A695ED8F71D3B7A72456B02D0F6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_DD690A695ED8F71D3B7A72456B02D0F6" xlink:to="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_DD690A695ED8F71D3B7A72456B02D0F6" xlink:type="arc"/>
<link:label id="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_E4AF687EAB3879F1E8D072456B02D1C9_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_E4AF687EAB3879F1E8D072456B02D1C9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Due after ten years, estimated fair value </link:label>
<link:label id="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_E4AF687EAB3879F1E8D072456B02D1C9_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_E4AF687EAB3879F1E8D072456B02D1C9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_E4AF687EAB3879F1E8D072456B02D1C9" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_E4AF687EAB3879F1E8D072456B02D1C9" xlink:to="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_E4AF687EAB3879F1E8D072456B02D1C9" xlink:type="arc"/>
<link:label id="lab_us-gaap_AvailableForSaleSecuritiesDebtSecurities_3653CC302430A4801DC372456B02AD3D_totalLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesDebtSecurities_3653CC302430A4801DC372456B02AD3D" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total Estimated Fair Value </link:label>
<link:label id="lab_us-gaap_AvailableForSaleSecuritiesDebtSecurities_3653CC302430A4801DC372456B02AD3D_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesDebtSecurities_3653CC302430A4801DC372456B02AD3D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Available-for-sale Securities, Debt Securities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_3653CC302430A4801DC372456B02AD3D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_3653CC302430A4801DC372456B02AD3D" xlink:to="lab_us-gaap_AvailableForSaleSecuritiesDebtSecurities_3653CC302430A4801DC372456B02AD3D" xlink:type="arc"/>
<link:label id="lab_cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentCommercialAuto_DE8B01B5C3CFB65710AEE5AE6ABB89A9_terseLabel_en-US" xlink:label="lab_cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentCommercialAuto_DE8B01B5C3CFB65710AEE5AE6ABB89A9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Commercial Auto </link:label>
<link:label id="lab_cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentCommercialAuto_DE8B01B5C3CFB65710AEE5AE6ABB89A9_label_en-US" xlink:label="lab_cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentCommercialAuto_DE8B01B5C3CFB65710AEE5AE6ABB89A9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net prior year claim and allocated claim adjustment expense reserve development, Commercial Auto </link:label>
<link:label id="lab_cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentCommercialAuto_DE8B01B5C3CFB65710AEE5AE6ABB89A9_documentation_en-US" xlink:label="lab_cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentCommercialAuto_DE8B01B5C3CFB65710AEE5AE6ABB89A9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Net prior year claim and allocated claim adjustment expense reserve development, Commercial Auto </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentCommercialAuto" xlink:label="loc_cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentCommercialAuto_DE8B01B5C3CFB65710AEE5AE6ABB89A9" xlink:type="locator"/>
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<link:label id="lab_cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentGeneralLiability_54F885A147C920EB9F23E5AE6ABB098A_terseLabel_en-US" xlink:label="lab_cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentGeneralLiability_54F885A147C920EB9F23E5AE6ABB098A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> General Liability </link:label>
<link:label id="lab_cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentGeneralLiability_54F885A147C920EB9F23E5AE6ABB098A_label_en-US" xlink:label="lab_cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentGeneralLiability_54F885A147C920EB9F23E5AE6ABB098A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net prior year claim and allocated claim adjustment expense reserve development, General Liability </link:label>
<link:label id="lab_cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentGeneralLiability_54F885A147C920EB9F23E5AE6ABB098A_documentation_en-US" xlink:label="lab_cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentGeneralLiability_54F885A147C920EB9F23E5AE6ABB098A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Net prior year claim and allocated claim adjustment expense reserve development, General Liability </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentGeneralLiability" xlink:label="loc_cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentGeneralLiability_54F885A147C920EB9F23E5AE6ABB098A" xlink:type="locator"/>
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<link:label id="lab_cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentWorkersCompensation_11CBEC4023329112BC2AE5AE6ADB4E8C_terseLabel_en-US" xlink:label="lab_cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentWorkersCompensation_11CBEC4023329112BC2AE5AE6ADB4E8C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Workers' Compensation </link:label>
<link:label id="lab_cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentWorkersCompensation_11CBEC4023329112BC2AE5AE6ADB4E8C_label_en-US" xlink:label="lab_cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentWorkersCompensation_11CBEC4023329112BC2AE5AE6ADB4E8C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net prior year claim and allocated claim adjustment expense reserve development, Workers' Compensation </link:label>
<link:label id="lab_cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentWorkersCompensation_11CBEC4023329112BC2AE5AE6ADB4E8C_documentation_en-US" xlink:label="lab_cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentWorkersCompensation_11CBEC4023329112BC2AE5AE6ADB4E8C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Net prior year claim and allocated claim adjustment expense reserve development, Workers' Compensation </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentWorkersCompensation" xlink:label="loc_cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentWorkersCompensation_11CBEC4023329112BC2AE5AE6ADB4E8C" xlink:type="locator"/>
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<link:label id="lab_cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentPropertyAndOther_21412F56C9346046600DE5AE6ADBD57B_terseLabel_en-US" xlink:label="lab_cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentPropertyAndOther_21412F56C9346046600DE5AE6ADBD57B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property and Other </link:label>
<link:label id="lab_cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentPropertyAndOther_21412F56C9346046600DE5AE6ADBD57B_label_en-US" xlink:label="lab_cna_NetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentPropertyAndOther_21412F56C9346046600DE5AE6ADBD57B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net prior year claim and allocated claim adjustment expense reserve development, Property and Other </link:label>
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<link:label id="lab_us-gaap_StatementTable_30CE6E2AD0A1B4DC131A63C90DA3C9B4_terseLabel_en-US" xlink:label="lab_us-gaap_StatementTable_30CE6E2AD0A1B4DC131A63C90DA3C9B4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Statement [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_30CE6E2AD0A1B4DC131A63C90DA3C9B4" xlink:type="locator"/>
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<link:label id="lab_us-gaap_StatementScenarioAxis_9DC809EEF9CA82A814CB63C90DA44880_label_en-US" xlink:label="lab_us-gaap_StatementScenarioAxis_9DC809EEF9CA82A814CB63C90DA44880" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Scenario [Axis] </link:label>
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<link:label id="lab_us-gaap_ScenarioUnspecifiedDomain_1D36124C591A62733CA663C90DA4FAAB_terseLabel_en-US" xlink:label="lab_us-gaap_ScenarioUnspecifiedDomain_1D36124C591A62733CA663C90DA4FAAB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Scenario, Unspecified [Domain] </link:label>
<link:label id="lab_us-gaap_ScenarioUnspecifiedDomain_1D36124C591A62733CA663C90DA4FAAB_label_en-US" xlink:label="lab_us-gaap_ScenarioUnspecifiedDomain_1D36124C591A62733CA663C90DA4FAAB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Scenario, Unspecified [Domain] </link:label>
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<link:label id="lab_cna_LossPortfolioTransferMember_73C05AD0267292607C9963C90DA44141_terseLabel_en-US" xlink:label="lab_cna_LossPortfolioTransferMember_73C05AD0267292607C9963C90DA44141" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Loss Portfolio Transfer [Member] </link:label>
<link:label id="lab_cna_LossPortfolioTransferMember_73C05AD0267292607C9963C90DA44141_label_en-US" xlink:label="lab_cna_LossPortfolioTransferMember_73C05AD0267292607C9963C90DA44141" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Loss Portfolio Transfer [Member] </link:label>
<link:label id="lab_cna_LossPortfolioTransferMember_73C05AD0267292607C9963C90DA44141_documentation_en-US" xlink:label="lab_cna_LossPortfolioTransferMember_73C05AD0267292607C9963C90DA44141" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Loss Portfolio Transfer [Member] </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_LossPortfolioTransferMember" xlink:label="loc_cna_LossPortfolioTransferMember_73C05AD0267292607C9963C90DA44141" xlink:type="locator"/>
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<link:label id="lab_us-gaap_StatementLineItems_02799A5F49F3938B294863C90DA4E92E_terseLabel_en-US" xlink:label="lab_us-gaap_StatementLineItems_02799A5F49F3938B294863C90DA4E92E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Statement [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_02799A5F49F3938B294863C90DA4E92E" xlink:type="locator"/>
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<link:label id="lab_cna_NetAEPadversedevelopmentbeforeconsiderationofLPT_1DC8EF5575DC21D46E5F63C90DA410A4_terseLabel_en-US" xlink:label="lab_cna_NetAEPadversedevelopmentbeforeconsiderationofLPT_1DC8EF5575DC21D46E5F63C90DA410A4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net AEP adverse development before consideration of LPT </link:label>
<link:label id="lab_cna_NetAEPadversedevelopmentbeforeconsiderationofLPT_1DC8EF5575DC21D46E5F63C90DA410A4_label_en-US" xlink:label="lab_cna_NetAEPadversedevelopmentbeforeconsiderationofLPT_1DC8EF5575DC21D46E5F63C90DA410A4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net AEP adverse development before consideration of LPT </link:label>
<link:label id="lab_cna_NetAEPadversedevelopmentbeforeconsiderationofLPT_1DC8EF5575DC21D46E5F63C90DA410A4_documentation_en-US" xlink:label="lab_cna_NetAEPadversedevelopmentbeforeconsiderationofLPT_1DC8EF5575DC21D46E5F63C90DA410A4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Net AEP adverse development before consideration of LPT </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_NetAEPadversedevelopmentbeforeconsiderationofLPT" xlink:label="loc_cna_NetAEPadversedevelopmentbeforeconsiderationofLPT_1DC8EF5575DC21D46E5F63C90DA410A4" xlink:type="locator"/>
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<link:label id="lab_cna_ProvisionforuncollectiblethirdpartyreinsuranceonAEP_1A212365ED1FA2D04C9F63C90DA4BFF8_terseLabel_en-US" xlink:label="lab_cna_ProvisionforuncollectiblethirdpartyreinsuranceonAEP_1A212365ED1FA2D04C9F63C90DA4BFF8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Provision for uncollectible third-party reinsurance on AEP </link:label>
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<link:label id="lab_cna_ProvisionforuncollectiblethirdpartyreinsuranceonAEP_1A212365ED1FA2D04C9F63C90DA4BFF8_documentation_en-US" xlink:label="lab_cna_ProvisionforuncollectiblethirdpartyreinsuranceonAEP_1A212365ED1FA2D04C9F63C90DA4BFF8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Provision for uncollectible third-party reinsurance on AEP </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_ProvisionforuncollectiblethirdpartyreinsuranceonAEP" xlink:label="loc_cna_ProvisionforuncollectiblethirdpartyreinsuranceonAEP_1A212365ED1FA2D04C9F63C90DA4BFF8" xlink:type="locator"/>
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<link:label id="lab_cna_AdditionalamountscededunderLPT_5F44E679A36BBAFE0EA663C90DA40314_totalLabel_en-US" xlink:label="lab_cna_AdditionalamountscededunderLPT_5F44E679A36BBAFE0EA663C90DA40314" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Additional amounts ceded under LPT </link:label>
<link:label id="lab_cna_AdditionalamountscededunderLPT_5F44E679A36BBAFE0EA663C90DA40314_label_en-US" xlink:label="lab_cna_AdditionalamountscededunderLPT_5F44E679A36BBAFE0EA663C90DA40314" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Additional amounts ceded under LPT </link:label>
<link:label id="lab_cna_AdditionalamountscededunderLPT_5F44E679A36BBAFE0EA663C90DA40314_documentation_en-US" xlink:label="lab_cna_AdditionalamountscededunderLPT_5F44E679A36BBAFE0EA663C90DA40314" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Additional amounts ceded under LPT </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_AdditionalamountscededunderLPT" xlink:label="loc_cna_AdditionalamountscededunderLPT_5F44E679A36BBAFE0EA663C90DA40314" xlink:type="locator"/>
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<link:label id="lab_cna_Retroactivereinsurancebenefitrecognized_36DB91F4D5F2AACC58F463C90DA49EC6_negatedTerseLabel_en-US" xlink:label="lab_cna_Retroactivereinsurancebenefitrecognized_36DB91F4D5F2AACC58F463C90DA49EC6" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Retroactive reinsurance benefit recognized </link:label>
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<link:label id="lab_cna_Retroactivereinsurancebenefitrecognized_36DB91F4D5F2AACC58F463C90DA49EC6_documentation_en-US" xlink:label="lab_cna_Retroactivereinsurancebenefitrecognized_36DB91F4D5F2AACC58F463C90DA49EC6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Retroactive reinsurance benefit recognized </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_Retroactivereinsurancebenefitrecognized" xlink:label="loc_cna_Retroactivereinsurancebenefitrecognized_36DB91F4D5F2AACC58F463C90DA49EC6" xlink:type="locator"/>
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<link:label id="lab_cna_DocumentAndEntityInformationAbstract_7CFBA368613F79A8F987724569C373B9_label_en-US" xlink:label="lab_cna_DocumentAndEntityInformationAbstract_7CFBA368613F79A8F987724569C373B9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Document and Entity Information [Abstract] </link:label>
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<link:label id="lab_us-gaap_MortgageLoansOnRealEstateMember_F8EEB84B0C790DB013B31CACCE69F162_label_en-US" xlink:label="lab_us-gaap_MortgageLoansOnRealEstateMember_F8EEB84B0C790DB013B31CACCE69F162" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Mortgage Loans on Real Estate [Member] </link:label>
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<link:label id="lab_us-gaap_TradingAccountAssetsMember_AE0AFAD3E0F61EED98C01CACCE69A3CF_terseLabel_en-US" xlink:label="lab_us-gaap_TradingAccountAssetsMember_AE0AFAD3E0F61EED98C01CACCE69A3CF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Trading portfolio [Member] </link:label>
<link:label id="lab_us-gaap_TradingAccountAssetsMember_AE0AFAD3E0F61EED98C01CACCE69A3CF_label_en-US" xlink:label="lab_us-gaap_TradingAccountAssetsMember_AE0AFAD3E0F61EED98C01CACCE69A3CF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Trading Securities [Member] </link:label>
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<link:label id="lab_cna_OtherInvestmentIncomeMember_D5F7A383B7CF534A68641CACCE6A82F1_terseLabel_en-US" xlink:label="lab_cna_OtherInvestmentIncomeMember_D5F7A383B7CF534A68641CACCE6A82F1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other [Member] </link:label>
<link:label id="lab_cna_OtherInvestmentIncomeMember_D5F7A383B7CF534A68641CACCE6A82F1_label_en-US" xlink:label="lab_cna_OtherInvestmentIncomeMember_D5F7A383B7CF534A68641CACCE6A82F1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Investment Income [Member] </link:label>
<link:label id="lab_cna_OtherInvestmentIncomeMember_D5F7A383B7CF534A68641CACCE6A82F1_documentation_en-US" xlink:label="lab_cna_OtherInvestmentIncomeMember_D5F7A383B7CF534A68641CACCE6A82F1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Other Investment Income </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_OtherInvestmentIncomeMember" xlink:label="loc_cna_OtherInvestmentIncomeMember_D5F7A383B7CF534A68641CACCE6A82F1" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryLineItems_B48AD303C0EAC896E5411CACCE6A8203_label_en-US" xlink:label="lab_us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryLineItems_B48AD303C0EAC896E5411CACCE6A8203" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Investment Income [Line Items] </link:label>
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<link:label id="lab_cna_InvestmentIncomeIncludingRealizedGainsLossesOnTradingSecuritiesBeforeExpenses_BD7F4A4DC2CC11B34A741CACCE6A8B0E_terseLabel_en-US" xlink:label="lab_cna_InvestmentIncomeIncludingRealizedGainsLossesOnTradingSecuritiesBeforeExpenses_BD7F4A4DC2CC11B34A741CACCE6A8B0E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Gross investment income </link:label>
<link:label id="lab_cna_InvestmentIncomeIncludingRealizedGainsLossesOnTradingSecuritiesBeforeExpenses_BD7F4A4DC2CC11B34A741CACCE6A8B0E_label_en-US" xlink:label="lab_cna_InvestmentIncomeIncludingRealizedGainsLossesOnTradingSecuritiesBeforeExpenses_BD7F4A4DC2CC11B34A741CACCE6A8B0E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Investment Income Including Realized Gains Losses on Trading Securities, Before Expenses </link:label>
<link:label id="lab_cna_InvestmentIncomeIncludingRealizedGainsLossesOnTradingSecuritiesBeforeExpenses_BD7F4A4DC2CC11B34A741CACCE6A8B0E_documentation_en-US" xlink:label="lab_cna_InvestmentIncomeIncludingRealizedGainsLossesOnTradingSecuritiesBeforeExpenses_BD7F4A4DC2CC11B34A741CACCE6A8B0E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Investment Income Including Realized Gains Losses on Trading Securities, Before Expenses </link:label>
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<link:label id="lab_us-gaap_InvestmentIncomeInvestmentExpense_9A0BB7756D99C95098741CACCE6A6978_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_InvestmentIncomeInvestmentExpense_9A0BB7756D99C95098741CACCE6A6978" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Investment expense </link:label>
<link:label id="lab_us-gaap_InvestmentIncomeInvestmentExpense_9A0BB7756D99C95098741CACCE6A6978_label_en-US" xlink:label="lab_us-gaap_InvestmentIncomeInvestmentExpense_9A0BB7756D99C95098741CACCE6A6978" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Investment Income, Investment Expense </link:label>
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<link:label id="lab_cna_NetInvestmentIncomeAndGainsLossesOnTradingSecurities_519BA1F72A970EB21EB91CACCE6A934A_totalLabel_en-US" xlink:label="lab_cna_NetInvestmentIncomeAndGainsLossesOnTradingSecurities_519BA1F72A970EB21EB91CACCE6A934A" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net investment income </link:label>
<link:label id="lab_cna_NetInvestmentIncomeAndGainsLossesOnTradingSecurities_519BA1F72A970EB21EB91CACCE6A934A_label_en-US" xlink:label="lab_cna_NetInvestmentIncomeAndGainsLossesOnTradingSecurities_519BA1F72A970EB21EB91CACCE6A934A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Investment Income And Gains Losses On Trading Securities </link:label>
<link:label id="lab_cna_NetInvestmentIncomeAndGainsLossesOnTradingSecurities_519BA1F72A970EB21EB91CACCE6A934A_documentation_en-US" xlink:label="lab_cna_NetInvestmentIncomeAndGainsLossesOnTradingSecurities_519BA1F72A970EB21EB91CACCE6A934A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The income earned from investments in securities and property, equipment and other capital assets. It includes rent from property and equipment, dividends from shares in corporations, and interest from bonds, loans, mortgages, derivatives, commercial paper, bank accounts, certificates of deposits, treasuries, and other financial securities. It also includes realized gains and losses on trading securities. </link:label>
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<link:label id="lab_cna_NetPriorYearClaimandAllocatedClaimAdjustmentExpenseReserveDevelopmentOtherProfessionalLiability_145EA2DC4D1BDC4BA2AFE93F3C65FAFC_terseLabel_en-US" xlink:label="lab_cna_NetPriorYearClaimandAllocatedClaimAdjustmentExpenseReserveDevelopmentOtherProfessionalLiability_145EA2DC4D1BDC4BA2AFE93F3C65FAFC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other Professional Liability </link:label>
<link:label id="lab_cna_NetPriorYearClaimandAllocatedClaimAdjustmentExpenseReserveDevelopmentOtherProfessionalLiability_145EA2DC4D1BDC4BA2AFE93F3C65FAFC_label_en-US" xlink:label="lab_cna_NetPriorYearClaimandAllocatedClaimAdjustmentExpenseReserveDevelopmentOtherProfessionalLiability_145EA2DC4D1BDC4BA2AFE93F3C65FAFC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Prior Year Claim and Allocated Claim Adjustment Expense Reserve Development, Other Professional Liability </link:label>
<link:label id="lab_cna_NetPriorYearClaimandAllocatedClaimAdjustmentExpenseReserveDevelopmentOtherProfessionalLiability_145EA2DC4D1BDC4BA2AFE93F3C65FAFC_documentation_en-US" xlink:label="lab_cna_NetPriorYearClaimandAllocatedClaimAdjustmentExpenseReserveDevelopmentOtherProfessionalLiability_145EA2DC4D1BDC4BA2AFE93F3C65FAFC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Net Prior Year Claim and Allocated Claim Adjustment Expense Reserve Development, Other Professional Liability </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_NetPriorYearClaimandAllocatedClaimAdjustmentExpenseReserveDevelopmentOtherProfessionalLiability" xlink:label="loc_cna_NetPriorYearClaimandAllocatedClaimAdjustmentExpenseReserveDevelopmentOtherProfessionalLiability_145EA2DC4D1BDC4BA2AFE93F3C65FAFC" xlink:type="locator"/>
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<link:label id="lab_cna_NetPriorYearClaimandAllocatedClaimAdjustmentExpenseReserveDevelopmentLiability_AEC63EA008A3F27CED67E93F3C6539B4_terseLabel_en-US" xlink:label="lab_cna_NetPriorYearClaimandAllocatedClaimAdjustmentExpenseReserveDevelopmentLiability_AEC63EA008A3F27CED67E93F3C6539B4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Liability </link:label>
<link:label id="lab_cna_NetPriorYearClaimandAllocatedClaimAdjustmentExpenseReserveDevelopmentLiability_AEC63EA008A3F27CED67E93F3C6539B4_label_en-US" xlink:label="lab_cna_NetPriorYearClaimandAllocatedClaimAdjustmentExpenseReserveDevelopmentLiability_AEC63EA008A3F27CED67E93F3C6539B4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Prior Year Claim and Allocated Claim Adjustment Expense Reserve Development, Liability </link:label>
<link:label id="lab_cna_NetPriorYearClaimandAllocatedClaimAdjustmentExpenseReserveDevelopmentLiability_AEC63EA008A3F27CED67E93F3C6539B4_documentation_en-US" xlink:label="lab_cna_NetPriorYearClaimandAllocatedClaimAdjustmentExpenseReserveDevelopmentLiability_AEC63EA008A3F27CED67E93F3C6539B4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Net Prior Year Claim and Allocated Claim Adjustment Expense Reserve Development, Liability </link:label>
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<link:label id="lab_cna_NetPriorYearClaimandAllocatedClaimAdjustmentExpenseReserveDevelopmentPropertyMarine_635AD751C88F8FE25C13E93F3C6578C9_terseLabel_en-US" xlink:label="lab_cna_NetPriorYearClaimandAllocatedClaimAdjustmentExpenseReserveDevelopmentPropertyMarine_635AD751C88F8FE25C13E93F3C6578C9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property & Marine </link:label>
<link:label id="lab_cna_NetPriorYearClaimandAllocatedClaimAdjustmentExpenseReserveDevelopmentPropertyMarine_635AD751C88F8FE25C13E93F3C6578C9_label_en-US" xlink:label="lab_cna_NetPriorYearClaimandAllocatedClaimAdjustmentExpenseReserveDevelopmentPropertyMarine_635AD751C88F8FE25C13E93F3C6578C9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Prior Year Claim and Allocated Claim Adjustment Expense Reserve Development, Property & Marine </link:label>
<link:label id="lab_cna_NetPriorYearClaimandAllocatedClaimAdjustmentExpenseReserveDevelopmentPropertyMarine_635AD751C88F8FE25C13E93F3C6578C9_documentation_en-US" xlink:label="lab_cna_NetPriorYearClaimandAllocatedClaimAdjustmentExpenseReserveDevelopmentPropertyMarine_635AD751C88F8FE25C13E93F3C6578C9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Net Prior Year Claim and Allocated Claim Adjustment Expense Reserve Development, Property & Marine </link:label>
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<link:label id="lab_cna_NetPriorYearClaimandAllocatedClaimAdjustmentExpenseReserveDevelopmentCommutations_335DD3CCC1FF078335E3E93F3C653AA5_terseLabel_en-US" xlink:label="lab_cna_NetPriorYearClaimandAllocatedClaimAdjustmentExpenseReserveDevelopmentCommutations_335DD3CCC1FF078335E3E93F3C653AA5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Commutations </link:label>
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<link:label id="lab_us-gaap_DerivativeTable_81F52F7E9AD7AF34F48D72456B77AC79_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeTable_81F52F7E9AD7AF34F48D72456B77AC79" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivative [Table] </link:label>
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<link:label id="lab_us-gaap_DerivativeNameDomain_8D6CD85CD261E59024DD72456B775003_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeNameDomain_8D6CD85CD261E59024DD72456B775003" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivative, Name [Domain] </link:label>
<link:label id="lab_us-gaap_DerivativeNameDomain_8D6CD85CD261E59024DD72456B775003_label_en-US" xlink:label="lab_us-gaap_DerivativeNameDomain_8D6CD85CD261E59024DD72456B775003" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative, Name [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeNameDomain" xlink:label="loc_us-gaap_DerivativeNameDomain_8D6CD85CD261E59024DD72456B775003" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NondesignatedMember_857DDDCEC62A7170EA5572456B775F48_terseLabel_en-US" xlink:label="lab_us-gaap_NondesignatedMember_857DDDCEC62A7170EA5572456B775F48" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Not Designated as Hedging Instrument [Member] </link:label>
<link:label id="lab_us-gaap_NondesignatedMember_857DDDCEC62A7170EA5572456B775F48_label_en-US" xlink:label="lab_us-gaap_NondesignatedMember_857DDDCEC62A7170EA5572456B775F48" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Not Designated as Hedging Instrument [Member] </link:label>
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<link:label id="lab_us-gaap_DerivativeInstrumentRiskAxis_A650917EF83F442C0B5E72456B779B3E_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentRiskAxis_A650917EF83F442C0B5E72456B779B3E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivative Instrument [Axis] </link:label>
<link:label id="lab_us-gaap_DerivativeInstrumentRiskAxis_A650917EF83F442C0B5E72456B779B3E_label_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentRiskAxis_A650917EF83F442C0B5E72456B779B3E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative Instrument [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_A650917EF83F442C0B5E72456B779B3E" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DerivativeContractTypeDomain_59E4AF10A9093A08C40272456B773BD0_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeContractTypeDomain_59E4AF10A9093A08C40272456B773BD0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivative Contract [Domain] </link:label>
<link:label id="lab_us-gaap_DerivativeContractTypeDomain_59E4AF10A9093A08C40272456B773BD0_label_en-US" xlink:label="lab_us-gaap_DerivativeContractTypeDomain_59E4AF10A9093A08C40272456B773BD0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative Contract [Domain] </link:label>
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<link:label id="lab_us-gaap_ForeignExchangeForwardMember_8E5E583E63318050C63172456B777C51_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignExchangeForwardMember_8E5E583E63318050C63172456B777C51" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Currency forwards [Member] </link:label>
<link:label id="lab_us-gaap_ForeignExchangeForwardMember_8E5E583E63318050C63172456B777C51_label_en-US" xlink:label="lab_us-gaap_ForeignExchangeForwardMember_8E5E583E63318050C63172456B777C51" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Foreign Exchange Forward [Member] </link:label>
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<link:label id="lab_us-gaap_WarrantMember_E4CB76016335412C9BE672456B77AE3B_terseLabel_en-US" xlink:label="lab_us-gaap_WarrantMember_E4CB76016335412C9BE672456B77AE3B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity warrants [Member] </link:label>
<link:label id="lab_us-gaap_WarrantMember_E4CB76016335412C9BE672456B77AE3B_label_en-US" xlink:label="lab_us-gaap_WarrantMember_E4CB76016335412C9BE672456B77AE3B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Warrant [Member] </link:label>
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<link:label id="lab_us-gaap_DerivativeLineItems_B4E85CAE13DDDDD7D55D72456B77D884_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeLineItems_B4E85CAE13DDDDD7D55D72456B77D884" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivative [Line Items] </link:label>
<link:label id="lab_us-gaap_DerivativeLineItems_B4E85CAE13DDDDD7D55D72456B77D884_label_en-US" xlink:label="lab_us-gaap_DerivativeLineItems_B4E85CAE13DDDDD7D55D72456B77D884" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="loc_us-gaap_DerivativeLineItems_B4E85CAE13DDDDD7D55D72456B77D884" xlink:type="locator"/>
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<link:label id="lab_invest_DerivativeNotionalAmount_E11C3230D4F7BAAD7CBC72456B78CE51_terseLabel_en-US" xlink:label="lab_invest_DerivativeNotionalAmount_E11C3230D4F7BAAD7CBC72456B78CE51" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivative, Notional Amount </link:label>
<link:label id="lab_invest_DerivativeNotionalAmount_E11C3230D4F7BAAD7CBC72456B78CE51_label_en-US" xlink:label="lab_invest_DerivativeNotionalAmount_E11C3230D4F7BAAD7CBC72456B78CE51" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative, Notional Amount </link:label>
<link:loc xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="loc_invest_DerivativeNotionalAmount_E11C3230D4F7BAAD7CBC72456B78CE51" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DerivativeFairValueOfDerivativeAsset_27AC19D38FAC6BE1BA7172456B7816C8_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeFairValueOfDerivativeAsset_27AC19D38FAC6BE1BA7172456B7816C8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Estimated fair value asset </link:label>
<link:label id="lab_us-gaap_DerivativeFairValueOfDerivativeAsset_27AC19D38FAC6BE1BA7172456B7816C8_label_en-US" xlink:label="lab_us-gaap_DerivativeFairValueOfDerivativeAsset_27AC19D38FAC6BE1BA7172456B7816C8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative Asset, Fair Value, Gross Asset </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_27AC19D38FAC6BE1BA7172456B7816C8" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DerivativeFairValueOfDerivativeLiability_69C0812F320A4E1F4F4D72456B782B13_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeFairValueOfDerivativeLiability_69C0812F320A4E1F4F4D72456B782B13" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Estimated fair value liability </link:label>
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<link:label id="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_84407B7709FAD72B1AD472456A894CC0_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_84407B7709FAD72B1AD472456A894CC0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss) by Component </link:label>
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<link:label id="lab_cna_NetInvestmentIncomeTableTextBlock_876F329A1E1F3002DB6772456BD52CA9_terseLabel_en-US" xlink:label="lab_cna_NetInvestmentIncomeTableTextBlock_876F329A1E1F3002DB6772456BD52CA9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net investment income </link:label>
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<link:label id="lab_us-gaap_RealizedGainLossOnInvestmentsTableTextBlock_A00B99E0DF21BAD5241B72456BD5F28C_terseLabel_en-US" xlink:label="lab_us-gaap_RealizedGainLossOnInvestmentsTableTextBlock_A00B99E0DF21BAD5241B72456BD5F28C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net realized investment gains (losses) </link:label>
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<link:label id="lab_cna_StockBasedCompensation_5A717D759AC5763079B2F54C8E7E5016_terseLabel_en-US" xlink:label="lab_cna_StockBasedCompensation_5A717D759AC5763079B2F54C8E7E5016" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock-based compensation </link:label>
<link:label id="lab_cna_StockBasedCompensation_5A717D759AC5763079B2F54C8E7E5016_label_en-US" xlink:label="lab_cna_StockBasedCompensation_5A717D759AC5763079B2F54C8E7E5016" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock-based compensation </link:label>
<link:label id="lab_cna_StockBasedCompensation_5A717D759AC5763079B2F54C8E7E5016_documentation_en-US" xlink:label="lab_cna_StockBasedCompensation_5A717D759AC5763079B2F54C8E7E5016" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Stock-based compensation includes compensation expense as well as vesting and exercising of shares </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_StockBasedCompensation" xlink:label="loc_cna_StockBasedCompensation_5A717D759AC5763079B2F54C8E7E5016" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cna_StockBasedCompensation_5A717D759AC5763079B2F54C8E7E5016" xlink:to="lab_cna_StockBasedCompensation_5A717D759AC5763079B2F54C8E7E5016" xlink:type="arc"/>
<link:label id="lab_us-gaap_AdditionalPaidInCapitalCommonStock_77D14FB14BA197F7D5DBF54C8E7EB0FE_periodEndLabel_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalCommonStock_77D14FB14BA197F7D5DBF54C8E7EB0FE" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Balance, end of period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_77D14FB14BA197F7D5DBF54C8E7EB0FE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdditionalPaidInCapitalCommonStock_77D14FB14BA197F7D5DBF54C8E7EB0FE" xlink:to="lab_us-gaap_AdditionalPaidInCapitalCommonStock_77D14FB14BA197F7D5DBF54C8E7EB0FE" xlink:type="arc"/>
<link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficitAbstract_667DF871D39CC47515ADF54C8E7EACEF_terseLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficitAbstract_667DF871D39CC47515ADF54C8E7EACEF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Retained Earnings (Accumulated Deficit) </link:label>
<link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficitAbstract_667DF871D39CC47515ADF54C8E7EACEF_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficitAbstract_667DF871D39CC47515ADF54C8E7EACEF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retained Earnings (Accumulated Deficit) [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficitAbstract" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficitAbstract_667DF871D39CC47515ADF54C8E7EACEF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetainedEarningsAccumulatedDeficitAbstract_667DF871D39CC47515ADF54C8E7EACEF" xlink:to="lab_us-gaap_RetainedEarningsAccumulatedDeficitAbstract_667DF871D39CC47515ADF54C8E7EACEF" xlink:type="arc"/>
<link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_904420C68FAF0F7C3891F54C8E7E17EB_periodStartLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit_904420C68FAF0F7C3891F54C8E7E17EB" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Balance, beginning of year </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_904420C68FAF0F7C3891F54C8E7E17EB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetainedEarningsAccumulatedDeficit_904420C68FAF0F7C3891F54C8E7E17EB" xlink:to="lab_us-gaap_RetainedEarningsAccumulatedDeficit_904420C68FAF0F7C3891F54C8E7E17EB" xlink:type="arc"/>
<link:label id="lab_us-gaap_DividendsCommonStockCash_F29844B776D928485172F54C8E7E342D_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DividendsCommonStockCash_F29844B776D928485172F54C8E7E342D" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Dividends paid to common stockholders </link:label>
<link:label id="lab_us-gaap_DividendsCommonStockCash_F29844B776D928485172F54C8E7E342D_label_en-US" xlink:label="lab_us-gaap_DividendsCommonStockCash_F29844B776D928485172F54C8E7E342D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Dividends, Common Stock, Cash </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DividendsCommonStockCash" xlink:label="loc_us-gaap_DividendsCommonStockCash_F29844B776D928485172F54C8E7E342D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DividendsCommonStockCash_F29844B776D928485172F54C8E7E342D" xlink:to="lab_us-gaap_DividendsCommonStockCash_F29844B776D928485172F54C8E7E342D" xlink:type="arc"/>
<link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_9DAD3BCB9925EA038E57F54C8E7EF9B6_periodEndLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit_9DAD3BCB9925EA038E57F54C8E7EF9B6" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Balance, end of period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_9DAD3BCB9925EA038E57F54C8E7EF9B6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetainedEarningsAccumulatedDeficit_9DAD3BCB9925EA038E57F54C8E7EF9B6" xlink:to="lab_us-gaap_RetainedEarningsAccumulatedDeficit_9DAD3BCB9925EA038E57F54C8E7EF9B6" xlink:type="arc"/>
<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_3E0CA5355FEA137030CCF54C8E7E9704_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_3E0CA5355FEA137030CCF54C8E7E9704" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_3E0CA5355FEA137030CCF54C8E7E9704" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_3E0CA5355FEA137030CCF54C8E7E9704" xlink:to="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_3E0CA5355FEA137030CCF54C8E7E9704" xlink:type="arc"/>
<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax_E45BDC7093DDEE9DEBF4F54C8E7EDB2A_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax_E45BDC7093DDEE9DEBF4F54C8E7EDB2A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other comprehensive income (loss) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_E45BDC7093DDEE9DEBF4F54C8E7EDB2A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_E45BDC7093DDEE9DEBF4F54C8E7EDB2A" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax_E45BDC7093DDEE9DEBF4F54C8E7EDB2A" xlink:type="arc"/>
<link:label id="lab_us-gaap_TreasuryStockTransactionsExcludingValueOfSharesReissuedAbstract_56BF16F400096A926B1BF54C8E7E17A1_terseLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockTransactionsExcludingValueOfSharesReissuedAbstract_56BF16F400096A926B1BF54C8E7E17A1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Treasury Stock </link:label>
<link:label id="lab_us-gaap_TreasuryStockTransactionsExcludingValueOfSharesReissuedAbstract_56BF16F400096A926B1BF54C8E7E17A1_label_en-US" xlink:label="lab_us-gaap_TreasuryStockTransactionsExcludingValueOfSharesReissuedAbstract_56BF16F400096A926B1BF54C8E7E17A1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Treasury Stock Transactions, Excluding Value of Shares Reissued [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockTransactionsExcludingValueOfSharesReissuedAbstract" xlink:label="loc_us-gaap_TreasuryStockTransactionsExcludingValueOfSharesReissuedAbstract_56BF16F400096A926B1BF54C8E7E17A1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TreasuryStockTransactionsExcludingValueOfSharesReissuedAbstract_56BF16F400096A926B1BF54C8E7E17A1" xlink:to="lab_us-gaap_TreasuryStockTransactionsExcludingValueOfSharesReissuedAbstract_56BF16F400096A926B1BF54C8E7E17A1" xlink:type="arc"/>
<link:label id="lab_us-gaap_TreasuryStockValue_682A98581300904A3664F54C8E7E96B3_negatedPeriodStartLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockValue_682A98581300904A3664F54C8E7E96B3" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="resource" xml:lang="en-US"> Balance, beginning of year </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_us-gaap_TreasuryStockValue_682A98581300904A3664F54C8E7E96B3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TreasuryStockValue_682A98581300904A3664F54C8E7E96B3" xlink:to="lab_us-gaap_TreasuryStockValue_682A98581300904A3664F54C8E7E96B3" xlink:type="arc"/>
<link:label id="lab_cna_StockBasedCompensationAndOther_CC86E31F19353CB35561F54C8E7E0D98_terseLabel_en-US" xlink:label="lab_cna_StockBasedCompensationAndOther_CC86E31F19353CB35561F54C8E7E0D98" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock Based Compensation and Other </link:label>
<link:label id="lab_cna_StockBasedCompensationAndOther_CC86E31F19353CB35561F54C8E7E0D98_label_en-US" xlink:label="lab_cna_StockBasedCompensationAndOther_CC86E31F19353CB35561F54C8E7E0D98" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Based Compensation and Other </link:label>
<link:label id="lab_cna_StockBasedCompensationAndOther_CC86E31F19353CB35561F54C8E7E0D98_documentation_en-US" xlink:label="lab_cna_StockBasedCompensationAndOther_CC86E31F19353CB35561F54C8E7E0D98" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Stock Based Compensation and Other </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_StockBasedCompensationAndOther" xlink:label="loc_cna_StockBasedCompensationAndOther_CC86E31F19353CB35561F54C8E7E0D98" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cna_StockBasedCompensationAndOther_CC86E31F19353CB35561F54C8E7E0D98" xlink:to="lab_cna_StockBasedCompensationAndOther_CC86E31F19353CB35561F54C8E7E0D98" xlink:type="arc"/>
<link:label id="lab_us-gaap_TreasuryStockValue_34FB1083C5CC184EFE72F54C8E7E091A_negatedPeriodEndLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockValue_34FB1083C5CC184EFE72F54C8E7E091A" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="resource" xml:lang="en-US"> Balance, end of period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_us-gaap_TreasuryStockValue_34FB1083C5CC184EFE72F54C8E7E091A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TreasuryStockValue_34FB1083C5CC184EFE72F54C8E7E091A" xlink:to="lab_us-gaap_TreasuryStockValue_34FB1083C5CC184EFE72F54C8E7E091A" xlink:type="arc"/>
<link:label id="lab_cna_NotesReceivablefortheIssuanceofCommonStockAbstract_BE9E906018AA84E4C2FCF54C8E7E7481_terseLabel_en-US" xlink:label="lab_cna_NotesReceivablefortheIssuanceofCommonStockAbstract_BE9E906018AA84E4C2FCF54C8E7E7481" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Notes Receivable for the Issuance of Common Stock </link:label>
<link:label id="lab_cna_NotesReceivablefortheIssuanceofCommonStockAbstract_BE9E906018AA84E4C2FCF54C8E7E7481_label_en-US" xlink:label="lab_cna_NotesReceivablefortheIssuanceofCommonStockAbstract_BE9E906018AA84E4C2FCF54C8E7E7481" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Notes Receivable for the Issuance of Common Stock [Abstract] </link:label>
<link:label id="lab_cna_NotesReceivablefortheIssuanceofCommonStockAbstract_BE9E906018AA84E4C2FCF54C8E7E7481_documentation_en-US" xlink:label="lab_cna_NotesReceivablefortheIssuanceofCommonStockAbstract_BE9E906018AA84E4C2FCF54C8E7E7481" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Notes Receivable for the Issuance of Common Stock </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_NotesReceivablefortheIssuanceofCommonStockAbstract" xlink:label="loc_cna_NotesReceivablefortheIssuanceofCommonStockAbstract_BE9E906018AA84E4C2FCF54C8E7E7481" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cna_NotesReceivablefortheIssuanceofCommonStockAbstract_BE9E906018AA84E4C2FCF54C8E7E7481" xlink:to="lab_cna_NotesReceivablefortheIssuanceofCommonStockAbstract_BE9E906018AA84E4C2FCF54C8E7E7481" xlink:type="arc"/>
<link:label id="lab_us-gaap_ReceivableFromOfficersAndDirectorsForIssuanceOfCapitalStock_98E0153421EF2ED66016F54C8E7E988C_negatedPeriodStartLabel_en-US" xlink:label="lab_us-gaap_ReceivableFromOfficersAndDirectorsForIssuanceOfCapitalStock_98E0153421EF2ED66016F54C8E7E988C" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="resource" xml:lang="en-US"> Balance, beginning of year </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ReceivableFromOfficersAndDirectorsForIssuanceOfCapitalStock" xlink:label="loc_us-gaap_ReceivableFromOfficersAndDirectorsForIssuanceOfCapitalStock_98E0153421EF2ED66016F54C8E7E988C" xlink:type="locator"/>
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<link:label id="lab_cna_Decreaseincreaseinnotesreceivableforcommonstock_54C02D9984E2D04F7577F54C8E7E9ABD_terseLabel_en-US" xlink:label="lab_cna_Decreaseincreaseinnotesreceivableforcommonstock_54C02D9984E2D04F7577F54C8E7E9ABD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Decrease (increase) in notes receivable from the issuance of common stock </link:label>
<link:label id="lab_cna_Decreaseincreaseinnotesreceivableforcommonstock_54C02D9984E2D04F7577F54C8E7E9ABD_label_en-US" xlink:label="lab_cna_Decreaseincreaseinnotesreceivableforcommonstock_54C02D9984E2D04F7577F54C8E7E9ABD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Decrease (increase) in notes receivable for common stock </link:label>
<link:label id="lab_cna_Decreaseincreaseinnotesreceivableforcommonstock_54C02D9984E2D04F7577F54C8E7E9ABD_documentation_en-US" xlink:label="lab_cna_Decreaseincreaseinnotesreceivableforcommonstock_54C02D9984E2D04F7577F54C8E7E9ABD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Change in equity related to changes in Notes Receivable for Common Stock </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_Decreaseincreaseinnotesreceivableforcommonstock" xlink:label="loc_cna_Decreaseincreaseinnotesreceivableforcommonstock_54C02D9984E2D04F7577F54C8E7E9ABD" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ReceivableFromOfficersAndDirectorsForIssuanceOfCapitalStock_6927D73671D28BF2A1E7F54C8E7ECB77_negatedPeriodEndLabel_en-US" xlink:label="lab_us-gaap_ReceivableFromOfficersAndDirectorsForIssuanceOfCapitalStock_6927D73671D28BF2A1E7F54C8E7ECB77" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="resource" xml:lang="en-US"> Balance, end of period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ReceivableFromOfficersAndDirectorsForIssuanceOfCapitalStock" xlink:label="loc_us-gaap_ReceivableFromOfficersAndDirectorsForIssuanceOfCapitalStock_6927D73671D28BF2A1E7F54C8E7ECB77" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ValuationTechniqueAxis_491470DDFD1F2DBB49CEC171A50137F0_label_en-US" xlink:label="lab_us-gaap_ValuationTechniqueAxis_491470DDFD1F2DBB49CEC171A50137F0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Valuation Technique [Axis] </link:label>
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<link:label id="lab_us-gaap_ValuationTechniqueDomain_85D80A114845937AE33DC171A501ADBA_label_en-US" xlink:label="lab_us-gaap_ValuationTechniqueDomain_85D80A114845937AE33DC171A501ADBA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Valuation Technique [Domain] </link:label>
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<link:label id="lab_us-gaap_RangeAxis_37305178045AA2C7934FC171A501678B_label_en-US" xlink:label="lab_us-gaap_RangeAxis_37305178045AA2C7934FC171A501678B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Range [Axis] </link:label>
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<link:label id="lab_us-gaap_MinimumMember_B90EA674DA85B519E2D5C171A5016BE2_label_en-US" xlink:label="lab_us-gaap_MinimumMember_B90EA674DA85B519E2D5C171A5016BE2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Minimum [Member] </link:label>
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<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_85AF9AB5AE988E941BBAC171A501E530" xlink:type="locator"/>
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<link:label id="lab_cna_RateMember_9A3924308419B1B12D01C171A5011F14_terseLabel_en-US" xlink:label="lab_cna_RateMember_9A3924308419B1B12D01C171A5011F14" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Rate [Member] </link:label>
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<link:label id="lab_cna_MortalityAssumption_A21A88CE7C8AAF7FA621C171A5020AB0_terseLabel_en-US" xlink:label="lab_cna_MortalityAssumption_A21A88CE7C8AAF7FA621C171A5020AB0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Mortality assumption </link:label>
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<link:label id="lab_us-gaap_FairValueByBalanceSheetGroupingTable_12074131D790379160FBDBCDE3B1EA94_label_en-US" xlink:label="lab_us-gaap_FairValueByBalanceSheetGroupingTable_12074131D790379160FBDBCDE3B1EA94" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, by Balance Sheet Grouping [Table] </link:label>
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<link:label id="lab_us-gaap_CarryingReportedAmountFairValueDisclosureMember_F8C4BFF21E918E90526CDBCDE3B13780_terseLabel_en-US" xlink:label="lab_us-gaap_CarryingReportedAmountFairValueDisclosureMember_F8C4BFF21E918E90526CDBCDE3B13780" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Carrying Amount [Member] </link:label>
<link:label id="lab_us-gaap_CarryingReportedAmountFairValueDisclosureMember_F8C4BFF21E918E90526CDBCDE3B13780_label_en-US" xlink:label="lab_us-gaap_CarryingReportedAmountFairValueDisclosureMember_F8C4BFF21E918E90526CDBCDE3B13780" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Reported Value Measurement [Member] </link:label>
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<link:label id="lab_us-gaap_EstimateOfFairValueFairValueDisclosureMember_5917C310C543F085AA98DBCDE3B16DED_terseLabel_en-US" xlink:label="lab_us-gaap_EstimateOfFairValueFairValueDisclosureMember_5917C310C543F085AA98DBCDE3B16DED" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Estimated Fair Value [Member] </link:label>
<link:label id="lab_us-gaap_EstimateOfFairValueFairValueDisclosureMember_5917C310C543F085AA98DBCDE3B16DED_label_en-US" xlink:label="lab_us-gaap_EstimateOfFairValueFairValueDisclosureMember_5917C310C543F085AA98DBCDE3B16DED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Estimate of Fair Value Measurement [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_5917C310C543F085AA98DBCDE3B16DED" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_9B98B31F53A02B9E6A52DBCDE3B1EE9E_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_9B98B31F53A02B9E6A52DBCDE3B1EE9E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] </link:label>
<link:label id="lab_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_9B98B31F53A02B9E6A52DBCDE3B1EE9E_label_en-US" xlink:label="lab_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_9B98B31F53A02B9E6A52DBCDE3B1EE9E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] </link:label>
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<link:label id="lab_us-gaap_ReceivableFromOfficersAndDirectorsForIssuanceOfCapitalStock_D4EE096654341A3A7766DBCDE3B1271A_terseLabel_en-US" xlink:label="lab_us-gaap_ReceivableFromOfficersAndDirectorsForIssuanceOfCapitalStock_D4EE096654341A3A7766DBCDE3B1271A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Notes receivable for the issuance of common stock </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ReceivableFromOfficersAndDirectorsForIssuanceOfCapitalStock" xlink:label="loc_us-gaap_ReceivableFromOfficersAndDirectorsForIssuanceOfCapitalStock_D4EE096654341A3A7766DBCDE3B1271A" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_B761EFD25301D8CD2DACDBCDE3B168C1_terseLabel_en-US" xlink:label="lab_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_B761EFD25301D8CD2DACDBCDE3B168C1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Financial Assets [Abstract] </link:label>
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<link:label id="lab_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_BE8F9564D60E621EA618DBCDE3B1FFE0_terseLabel_en-US" xlink:label="lab_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_BE8F9564D60E621EA618DBCDE3B1FFE0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Financial Liabilities [Abstract] </link:label>
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<link:label id="lab_cna_ScheduleOfAvailableForSaleAndTradingSecuritiesTable_09210F145866B75CAEFEC17216DACAB7_terseLabel_en-US" xlink:label="lab_cna_ScheduleOfAvailableForSaleAndTradingSecuritiesTable_09210F145866B75CAEFEC17216DACAB7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule Of Available For Sale And Trading Securities [Table] </link:label>
<link:label id="lab_cna_ScheduleOfAvailableForSaleAndTradingSecuritiesTable_09210F145866B75CAEFEC17216DACAB7_label_en-US" xlink:label="lab_cna_ScheduleOfAvailableForSaleAndTradingSecuritiesTable_09210F145866B75CAEFEC17216DACAB7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule Of Available For Sale And Trading Securities [Table] </link:label>
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<link:label id="lab_us-gaap_FixedMaturitiesMember_CFD995B1C107B6003FF1C17216DAFC1B_terseLabel_en-US" xlink:label="lab_us-gaap_FixedMaturitiesMember_CFD995B1C107B6003FF1C17216DAFC1B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total fixed maturity securities trading [Member] </link:label>
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<link:label id="lab_us-gaap_AvailableForSaleSecuritiesAmortizedCost_03C3FADF464B0F1D0686C17216DA7B05_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesAmortizedCost_03C3FADF464B0F1D0686C17216DA7B05" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cost or Amortized Cost </link:label>
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<link:label id="lab_us-gaap_DefinedBenefitPlanServiceCost_1320F7BA6B3EA3CD3D7989FB5BA78C20_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanServiceCost_1320F7BA6B3EA3CD3D7989FB5BA78C20" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Service cost </link:label>
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<link:label id="lab_us-gaap_DefinedBenefitPlanInterestCost_B5CA442D564805F96FA289FB5BA7A220_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanInterestCost_B5CA442D564805F96FA289FB5BA7A220" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest cost on projected benefit obligation </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanInterestCost_B5CA442D564805F96FA289FB5BA7A220_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanInterestCost_B5CA442D564805F96FA289FB5BA7A220" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Interest Cost </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_B5CA442D564805F96FA289FB5BA7A220" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_7831F95BB89016AE777689FB5BA78AD9_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_7831F95BB89016AE777689FB5BA78AD9" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Expected return on plan assets </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_7831F95BB89016AE777689FB5BA78AD9_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_7831F95BB89016AE777689FB5BA78AD9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Expected Return on Plan Assets </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_7831F95BB89016AE777689FB5BA78AD9" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_18C3C4B9EA835D2D74A889FB5BA70259_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_18C3C4B9EA835D2D74A889FB5BA70259" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Amortization of net actuarial (gain) loss </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_18C3C4B9EA835D2D74A889FB5BA70259_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_18C3C4B9EA835D2D74A889FB5BA70259" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Amortization of Gains (Losses) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_18C3C4B9EA835D2D74A889FB5BA70259" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_FDF6ECB66F8F978B51F389FB5BA7D76D_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_FDF6ECB66F8F978B51F389FB5BA7D76D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amortization of prior service credit </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_FDF6ECB66F8F978B51F389FB5BA7D76D_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_FDF6ECB66F8F978B51F389FB5BA7D76D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Amortization of Prior Service Cost (Credit) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_FDF6ECB66F8F978B51F389FB5BA7D76D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_FDF6ECB66F8F978B51F389FB5BA7D76D" xlink:to="lab_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_FDF6ECB66F8F978B51F389FB5BA7D76D" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments_B2955E2FD2A00EA807A089FB5BA7B559_negatedLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments_B2955E2FD2A00EA807A089FB5BA7B559" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Curtailment gain </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments_B2955E2FD2A00EA807A089FB5BA7B559_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments_B2955E2FD2A00EA807A089FB5BA7B559" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments" xlink:label="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments_B2955E2FD2A00EA807A089FB5BA7B559" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments_B2955E2FD2A00EA807A089FB5BA7B559" xlink:to="lab_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments_B2955E2FD2A00EA807A089FB5BA7B559" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_00F733F53F0F068EB7AA89FB5BA7998F_totalLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_00F733F53F0F068EB7AA89FB5BA7998F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net periodic (benefit) cost </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_00F733F53F0F068EB7AA89FB5BA7998F_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_00F733F53F0F068EB7AA89FB5BA7998F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Net Periodic Benefit Cost </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_00F733F53F0F068EB7AA89FB5BA7998F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_00F733F53F0F068EB7AA89FB5BA7998F" xlink:to="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_00F733F53F0F068EB7AA89FB5BA7998F" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanCurtailments_3920B23F34B1024E17FF740F1D568D1A_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanCurtailments_3920B23F34B1024E17FF740F1D568D1A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Curtailments </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanCurtailments_3920B23F34B1024E17FF740F1D568D1A_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanCurtailments_3920B23F34B1024E17FF740F1D568D1A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Curtailments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanCurtailments" xlink:label="loc_us-gaap_DefinedBenefitPlanCurtailments_3920B23F34B1024E17FF740F1D568D1A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanCurtailments_3920B23F34B1024E17FF740F1D568D1A" xlink:to="lab_us-gaap_DefinedBenefitPlanCurtailments_3920B23F34B1024E17FF740F1D568D1A" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments_88499B616C9AE3983FFB7403704042EF_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments_88499B616C9AE3983FFB7403704042EF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments" xlink:label="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments_88499B616C9AE3983FFB7403704042EF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments_88499B616C9AE3983FFB7403704042EF" xlink:to="lab_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments_88499B616C9AE3983FFB7403704042EF" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate_F1D41EA025B312789F98740370400BB7_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate_F1D41EA025B312789F98740370400BB7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate_F1D41EA025B312789F98740370400BB7_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate_F1D41EA025B312789F98740370400BB7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate" xlink:label="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate_F1D41EA025B312789F98740370400BB7" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate_F1D41EA025B312789F98740370400BB7" xlink:to="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate_F1D41EA025B312789F98740370400BB7" xlink:type="arc"/>
<link:label id="lab_cna_RevenuesByLineOfBusinessAbstract_833D39D05D5B6AF095E12B80518FAD96_label_en-US" xlink:label="lab_cna_RevenuesByLineOfBusinessAbstract_833D39D05D5B6AF095E12B80518FAD96" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenues by Line of Business [Abstract] </link:label>
<link:label id="lab_cna_RevenuesByLineOfBusinessAbstract_833D39D05D5B6AF095E12B80518FAD96_documentation_en-US" xlink:label="lab_cna_RevenuesByLineOfBusinessAbstract_833D39D05D5B6AF095E12B80518FAD96" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Revenues by Line of Business [Abstract] </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_RevenuesByLineOfBusinessAbstract" xlink:label="loc_cna_RevenuesByLineOfBusinessAbstract_833D39D05D5B6AF095E12B80518FAD96" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cna_RevenuesByLineOfBusinessAbstract_833D39D05D5B6AF095E12B80518FAD96" xlink:to="lab_cna_RevenuesByLineOfBusinessAbstract_833D39D05D5B6AF095E12B80518FAD96" xlink:type="arc"/>
<link:label id="lab_us-gaap_ReconciliationOfRevenueFromSegmentsToConsolidatedTable_E7476D13C803D58C582C2B80518FB01A_terseLabel_en-US" xlink:label="lab_us-gaap_ReconciliationOfRevenueFromSegmentsToConsolidatedTable_E7476D13C803D58C582C2B80518FB01A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Reconciliation of Revenue from Segments to Consolidated [Table] </link:label>
<link:label id="lab_us-gaap_ReconciliationOfRevenueFromSegmentsToConsolidatedTable_E7476D13C803D58C582C2B80518FB01A_label_en-US" xlink:label="lab_us-gaap_ReconciliationOfRevenueFromSegmentsToConsolidatedTable_E7476D13C803D58C582C2B80518FB01A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Reconciliation of Revenue from Segments to Consolidated [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ReconciliationOfRevenueFromSegmentsToConsolidatedTable" xlink:label="loc_us-gaap_ReconciliationOfRevenueFromSegmentsToConsolidatedTable_E7476D13C803D58C582C2B80518FB01A" xlink:type="locator"/>
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<link:label id="lab_cna_SpecialtyDomain_A008671E58C6DA1BEE942B80519F747C_terseLabel_en-US" xlink:label="lab_cna_SpecialtyDomain_A008671E58C6DA1BEE942B80519F747C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Specialty [Domain] </link:label>
<link:label id="lab_cna_SpecialtyDomain_A008671E58C6DA1BEE942B80519F747C_label_en-US" xlink:label="lab_cna_SpecialtyDomain_A008671E58C6DA1BEE942B80519F747C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Specialty [Domain] </link:label>
<link:label id="lab_cna_SpecialtyDomain_A008671E58C6DA1BEE942B80519F747C_documentation_en-US" xlink:label="lab_cna_SpecialtyDomain_A008671E58C6DA1BEE942B80519F747C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Specialty [Domain] </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_SpecialtyDomain" xlink:label="loc_cna_SpecialtyDomain_A008671E58C6DA1BEE942B80519F747C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cna_SpecialtyDomain_A008671E58C6DA1BEE942B80519F747C" xlink:to="lab_cna_SpecialtyDomain_A008671E58C6DA1BEE942B80519F747C" xlink:type="arc"/>
<link:label id="lab_cna_ProfessionalManagementLiabilityMember_6210CB37F05E16F73B3D2B80519F3ABC_terseLabel_en-US" xlink:label="lab_cna_ProfessionalManagementLiabilityMember_6210CB37F05E16F73B3D2B80519F3ABC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Management & Professional Liability [Member] </link:label>
<link:label id="lab_cna_ProfessionalManagementLiabilityMember_6210CB37F05E16F73B3D2B80519F3ABC_label_en-US" xlink:label="lab_cna_ProfessionalManagementLiabilityMember_6210CB37F05E16F73B3D2B80519F3ABC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Professional & Management Liability [Member] </link:label>
<link:label id="lab_cna_ProfessionalManagementLiabilityMember_6210CB37F05E16F73B3D2B80519F3ABC_documentation_en-US" xlink:label="lab_cna_ProfessionalManagementLiabilityMember_6210CB37F05E16F73B3D2B80519F3ABC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Professional & Management Liability [Member] </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_ProfessionalManagementLiabilityMember" xlink:label="loc_cna_ProfessionalManagementLiabilityMember_6210CB37F05E16F73B3D2B80519F3ABC" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cna_ProfessionalManagementLiabilityMember_6210CB37F05E16F73B3D2B80519F3ABC" xlink:to="lab_cna_ProfessionalManagementLiabilityMember_6210CB37F05E16F73B3D2B80519F3ABC" xlink:type="arc"/>
<link:label id="lab_cna_SuretyMember_F66A0998377ACCC91E782B80519F315D_terseLabel_en-US" xlink:label="lab_cna_SuretyMember_F66A0998377ACCC91E782B80519F315D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Surety [Member] </link:label>
<link:label id="lab_cna_SuretyMember_F66A0998377ACCC91E782B80519F315D_label_en-US" xlink:label="lab_cna_SuretyMember_F66A0998377ACCC91E782B80519F315D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Surety [Member] </link:label>
<link:label id="lab_cna_SuretyMember_F66A0998377ACCC91E782B80519F315D_documentation_en-US" xlink:label="lab_cna_SuretyMember_F66A0998377ACCC91E782B80519F315D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Surety [Member] </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_SuretyMember" xlink:label="loc_cna_SuretyMember_F66A0998377ACCC91E782B80519F315D" xlink:type="locator"/>
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<link:label id="lab_cna_WarrantyAlternativeRisksMember_B3AD5D7070477D42311B2B80519F6AA6_terseLabel_en-US" xlink:label="lab_cna_WarrantyAlternativeRisksMember_B3AD5D7070477D42311B2B80519F6AA6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Warranty & Alternative Risks [Member] </link:label>
<link:label id="lab_cna_WarrantyAlternativeRisksMember_B3AD5D7070477D42311B2B80519F6AA6_label_en-US" xlink:label="lab_cna_WarrantyAlternativeRisksMember_B3AD5D7070477D42311B2B80519F6AA6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Warranty & Alternative Risks [Member] </link:label>
<link:label id="lab_cna_WarrantyAlternativeRisksMember_B3AD5D7070477D42311B2B80519F6AA6_documentation_en-US" xlink:label="lab_cna_WarrantyAlternativeRisksMember_B3AD5D7070477D42311B2B80519F6AA6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Warranty & Alternative Risks [Member] </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_WarrantyAlternativeRisksMember" xlink:label="loc_cna_WarrantyAlternativeRisksMember_B3AD5D7070477D42311B2B80519F6AA6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cna_WarrantyAlternativeRisksMember_B3AD5D7070477D42311B2B80519F6AA6" xlink:to="lab_cna_WarrantyAlternativeRisksMember_B3AD5D7070477D42311B2B80519F6AA6" xlink:type="arc"/>
<link:label id="lab_cna_CommercialDomain_BA203E4BE2573811E3482B80519F5DB9_terseLabel_en-US" xlink:label="lab_cna_CommercialDomain_BA203E4BE2573811E3482B80519F5DB9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Commercial [Domain] </link:label>
<link:label id="lab_cna_CommercialDomain_BA203E4BE2573811E3482B80519F5DB9_label_en-US" xlink:label="lab_cna_CommercialDomain_BA203E4BE2573811E3482B80519F5DB9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Commercial [Domain] </link:label>
<link:label id="lab_cna_CommercialDomain_BA203E4BE2573811E3482B80519F5DB9_documentation_en-US" xlink:label="lab_cna_CommercialDomain_BA203E4BE2573811E3482B80519F5DB9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Commercial [Domain] </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_CommercialDomain" xlink:label="loc_cna_CommercialDomain_BA203E4BE2573811E3482B80519F5DB9" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cna_CommercialDomain_BA203E4BE2573811E3482B80519F5DB9" xlink:to="lab_cna_CommercialDomain_BA203E4BE2573811E3482B80519F5DB9" xlink:type="arc"/>
<link:label id="lab_cna_MiddleMarketsMember_FFDC7E47FD10236BE17B2B80519FE0AD_terseLabel_en-US" xlink:label="lab_cna_MiddleMarketsMember_FFDC7E47FD10236BE17B2B80519FE0AD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Middle Markets [Member] </link:label>
<link:label id="lab_cna_MiddleMarketsMember_FFDC7E47FD10236BE17B2B80519FE0AD_label_en-US" xlink:label="lab_cna_MiddleMarketsMember_FFDC7E47FD10236BE17B2B80519FE0AD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Middle Markets [Member] </link:label>
<link:label id="lab_cna_MiddleMarketsMember_FFDC7E47FD10236BE17B2B80519FE0AD_documentation_en-US" xlink:label="lab_cna_MiddleMarketsMember_FFDC7E47FD10236BE17B2B80519FE0AD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Middle Markets [Member] </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_MiddleMarketsMember" xlink:label="loc_cna_MiddleMarketsMember_FFDC7E47FD10236BE17B2B80519FE0AD" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cna_MiddleMarketsMember_FFDC7E47FD10236BE17B2B80519FE0AD" xlink:to="lab_cna_MiddleMarketsMember_FFDC7E47FD10236BE17B2B80519FE0AD" xlink:type="arc"/>
<link:label id="lab_cna_SmallBusinessMember_578F88F68BFABB1DE22B2B80519F9423_terseLabel_en-US" xlink:label="lab_cna_SmallBusinessMember_578F88F68BFABB1DE22B2B80519F9423" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Small Business [Member] </link:label>
<link:label id="lab_cna_SmallBusinessMember_578F88F68BFABB1DE22B2B80519F9423_label_en-US" xlink:label="lab_cna_SmallBusinessMember_578F88F68BFABB1DE22B2B80519F9423" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Small Business [Member] </link:label>
<link:label id="lab_cna_SmallBusinessMember_578F88F68BFABB1DE22B2B80519F9423_documentation_en-US" xlink:label="lab_cna_SmallBusinessMember_578F88F68BFABB1DE22B2B80519F9423" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Small Business [Member] </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_SmallBusinessMember" xlink:label="loc_cna_SmallBusinessMember_578F88F68BFABB1DE22B2B80519F9423" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cna_SmallBusinessMember_578F88F68BFABB1DE22B2B80519F9423" xlink:to="lab_cna_SmallBusinessMember_578F88F68BFABB1DE22B2B80519F9423" xlink:type="arc"/>
<link:label id="lab_cna_OtherCommercialInsuranceMember_9D064AD96EC9D25C88F82B80519F3969_terseLabel_en-US" xlink:label="lab_cna_OtherCommercialInsuranceMember_9D064AD96EC9D25C88F82B80519F3969" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other Commercial Insurance [Member] </link:label>
<link:label id="lab_cna_OtherCommercialInsuranceMember_9D064AD96EC9D25C88F82B80519F3969_label_en-US" xlink:label="lab_cna_OtherCommercialInsuranceMember_9D064AD96EC9D25C88F82B80519F3969" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Commercial Insurance [Member] </link:label>
<link:label id="lab_cna_OtherCommercialInsuranceMember_9D064AD96EC9D25C88F82B80519F3969_documentation_en-US" xlink:label="lab_cna_OtherCommercialInsuranceMember_9D064AD96EC9D25C88F82B80519F3969" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Other Commercial Insurance [Member] </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_OtherCommercialInsuranceMember" xlink:label="loc_cna_OtherCommercialInsuranceMember_9D064AD96EC9D25C88F82B80519F3969" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cna_OtherCommercialInsuranceMember_9D064AD96EC9D25C88F82B80519F3969" xlink:to="lab_cna_OtherCommercialInsuranceMember_9D064AD96EC9D25C88F82B80519F3969" xlink:type="arc"/>
<link:label id="lab_cna_InternationalDomain_50AA9E09577896A767AF2B80519F035C_terseLabel_en-US" xlink:label="lab_cna_InternationalDomain_50AA9E09577896A767AF2B80519F035C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> International [Domain] </link:label>
<link:label id="lab_cna_InternationalDomain_50AA9E09577896A767AF2B80519F035C_label_en-US" xlink:label="lab_cna_InternationalDomain_50AA9E09577896A767AF2B80519F035C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> International [Domain] </link:label>
<link:label id="lab_cna_InternationalDomain_50AA9E09577896A767AF2B80519F035C_documentation_en-US" xlink:label="lab_cna_InternationalDomain_50AA9E09577896A767AF2B80519F035C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> International [Domain] </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_InternationalDomain" xlink:label="loc_cna_InternationalDomain_50AA9E09577896A767AF2B80519F035C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cna_InternationalDomain_50AA9E09577896A767AF2B80519F035C" xlink:to="lab_cna_InternationalDomain_50AA9E09577896A767AF2B80519F035C" xlink:type="arc"/>
<link:label id="lab_cna_CanadaMember_60D19044A386A88709322B80519FFC13_terseLabel_en-US" xlink:label="lab_cna_CanadaMember_60D19044A386A88709322B80519FFC13" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Canada [Member] </link:label>
<link:label id="lab_cna_CanadaMember_60D19044A386A88709322B80519FFC13_label_en-US" xlink:label="lab_cna_CanadaMember_60D19044A386A88709322B80519FFC13" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Canada [Member] </link:label>
<link:label id="lab_cna_CanadaMember_60D19044A386A88709322B80519FFC13_documentation_en-US" xlink:label="lab_cna_CanadaMember_60D19044A386A88709322B80519FFC13" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Canada [Member] </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_CanadaMember" xlink:label="loc_cna_CanadaMember_60D19044A386A88709322B80519FFC13" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cna_CanadaMember_60D19044A386A88709322B80519FFC13" xlink:to="lab_cna_CanadaMember_60D19044A386A88709322B80519FFC13" xlink:type="arc"/>
<link:label id="lab_cna_CNAEuropeMember_0682C3A29BBBACA41CDE2B80519F24E3_terseLabel_en-US" xlink:label="lab_cna_CNAEuropeMember_0682C3A29BBBACA41CDE2B80519F24E3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> CNA Europe [Member] </link:label>
<link:label id="lab_cna_CNAEuropeMember_0682C3A29BBBACA41CDE2B80519F24E3_label_en-US" xlink:label="lab_cna_CNAEuropeMember_0682C3A29BBBACA41CDE2B80519F24E3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> CNA Europe [Member] </link:label>
<link:label id="lab_cna_CNAEuropeMember_0682C3A29BBBACA41CDE2B80519F24E3_documentation_en-US" xlink:label="lab_cna_CNAEuropeMember_0682C3A29BBBACA41CDE2B80519F24E3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> CNA Europe [Member] </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_CNAEuropeMember" xlink:label="loc_cna_CNAEuropeMember_0682C3A29BBBACA41CDE2B80519F24E3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cna_CNAEuropeMember_0682C3A29BBBACA41CDE2B80519F24E3" xlink:to="lab_cna_CNAEuropeMember_0682C3A29BBBACA41CDE2B80519F24E3" xlink:type="arc"/>
<link:label id="lab_cna_HardyMember_216BCD895EC263EF469E2B80519F4B7A_terseLabel_en-US" xlink:label="lab_cna_HardyMember_216BCD895EC263EF469E2B80519F4B7A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Hardy [Member] </link:label>
<link:label id="lab_cna_HardyMember_216BCD895EC263EF469E2B80519F4B7A_label_en-US" xlink:label="lab_cna_HardyMember_216BCD895EC263EF469E2B80519F4B7A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Hardy [Member] </link:label>
<link:label id="lab_cna_HardyMember_216BCD895EC263EF469E2B80519F4B7A_documentation_en-US" xlink:label="lab_cna_HardyMember_216BCD895EC263EF469E2B80519F4B7A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Hardy [Member] </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_HardyMember" xlink:label="loc_cna_HardyMember_216BCD895EC263EF469E2B80519F4B7A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cna_HardyMember_216BCD895EC263EF469E2B80519F4B7A" xlink:to="lab_cna_HardyMember_216BCD895EC263EF469E2B80519F4B7A" xlink:type="arc"/>
<link:label id="lab_cna_LifeGroupNonCoreDomain_D1F98D5C06F32A9E952C2B80519F498B_terseLabel_en-US" xlink:label="lab_cna_LifeGroupNonCoreDomain_D1F98D5C06F32A9E952C2B80519F498B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Life & Group Non-Core [Domain] </link:label>
<link:label id="lab_cna_LifeGroupNonCoreDomain_D1F98D5C06F32A9E952C2B80519F498B_label_en-US" xlink:label="lab_cna_LifeGroupNonCoreDomain_D1F98D5C06F32A9E952C2B80519F498B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Life & Group Non-Core [Domain] </link:label>
<link:label id="lab_cna_LifeGroupNonCoreDomain_D1F98D5C06F32A9E952C2B80519F498B_documentation_en-US" xlink:label="lab_cna_LifeGroupNonCoreDomain_D1F98D5C06F32A9E952C2B80519F498B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Life & Group Non-Core [Domain] </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_LifeGroupNonCoreDomain" xlink:label="loc_cna_LifeGroupNonCoreDomain_D1F98D5C06F32A9E952C2B80519F498B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cna_LifeGroupNonCoreDomain_D1F98D5C06F32A9E952C2B80519F498B" xlink:to="lab_cna_LifeGroupNonCoreDomain_D1F98D5C06F32A9E952C2B80519F498B" xlink:type="arc"/>
<link:label id="lab_cna_CorporateandOtherDomain_52D518B9A27E58E3C0FD2B80519FFF70_terseLabel_en-US" xlink:label="lab_cna_CorporateandOtherDomain_52D518B9A27E58E3C0FD2B80519FFF70" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Corporate and Other [Domain] </link:label>
<link:label id="lab_cna_CorporateandOtherDomain_52D518B9A27E58E3C0FD2B80519FFF70_label_en-US" xlink:label="lab_cna_CorporateandOtherDomain_52D518B9A27E58E3C0FD2B80519FFF70" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Corporate and Other [Domain] </link:label>
<link:label id="lab_cna_CorporateandOtherDomain_52D518B9A27E58E3C0FD2B80519FFF70_documentation_en-US" xlink:label="lab_cna_CorporateandOtherDomain_52D518B9A27E58E3C0FD2B80519FFF70" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Corporate and Other [Domain] </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_CorporateandOtherDomain" xlink:label="loc_cna_CorporateandOtherDomain_52D518B9A27E58E3C0FD2B80519FFF70" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cna_CorporateandOtherDomain_52D518B9A27E58E3C0FD2B80519FFF70" xlink:to="lab_cna_CorporateandOtherDomain_52D518B9A27E58E3C0FD2B80519FFF70" xlink:type="arc"/>
<link:label id="lab_cna_IntersegmentEliminationsDomain_0C88D4A26BDFF86DFBA22B80519FF4D3_terseLabel_en-US" xlink:label="lab_cna_IntersegmentEliminationsDomain_0C88D4A26BDFF86DFBA22B80519FF4D3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Intersegment Eliminations [Domain] </link:label>
<link:label id="lab_cna_IntersegmentEliminationsDomain_0C88D4A26BDFF86DFBA22B80519FF4D3_label_en-US" xlink:label="lab_cna_IntersegmentEliminationsDomain_0C88D4A26BDFF86DFBA22B80519FF4D3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Intersegment Eliminations [Domain] </link:label>
<link:label id="lab_cna_IntersegmentEliminationsDomain_0C88D4A26BDFF86DFBA22B80519FF4D3_documentation_en-US" xlink:label="lab_cna_IntersegmentEliminationsDomain_0C88D4A26BDFF86DFBA22B80519FF4D3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Intersegment Eliminations [Domain] </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_IntersegmentEliminationsDomain" xlink:label="loc_cna_IntersegmentEliminationsDomain_0C88D4A26BDFF86DFBA22B80519FF4D3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cna_IntersegmentEliminationsDomain_0C88D4A26BDFF86DFBA22B80519FF4D3" xlink:to="lab_cna_IntersegmentEliminationsDomain_0C88D4A26BDFF86DFBA22B80519FF4D3" xlink:type="arc"/>
<link:label id="lab_us-gaap_Revenues_D14522B58BF1ECE8AE8B2B80519F1715_terseLabel_en-US" xlink:label="lab_us-gaap_Revenues_D14522B58BF1ECE8AE8B2B80519F1715" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenues </link:label>
<link:label id="lab_us-gaap_Revenues_D14522B58BF1ECE8AE8B2B80519F1715_label_en-US" xlink:label="lab_us-gaap_Revenues_D14522B58BF1ECE8AE8B2B80519F1715" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenues </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_D14522B58BF1ECE8AE8B2B80519F1715" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Revenues_D14522B58BF1ECE8AE8B2B80519F1715" xlink:to="lab_us-gaap_Revenues_D14522B58BF1ECE8AE8B2B80519F1715" xlink:type="arc"/>
<link:label id="lab_us-gaap_StatementOfCashFlowsAbstract_D3E3095A2DAD506C178A96AD831491B2_label_en-US" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract_D3E3095A2DAD506C178A96AD831491B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement of Cash Flows [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_D3E3095A2DAD506C178A96AD831491B2" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_D3E3095A2DAD506C178A96AD831491B2" xlink:to="lab_us-gaap_StatementOfCashFlowsAbstract_D3E3095A2DAD506C178A96AD831491B2" xlink:type="arc"/>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_619A6D9B37022D19124596AD8316AD11_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_619A6D9B37022D19124596AD8316AD11" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash Flows from Operating Activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_619A6D9B37022D19124596AD8316AD11_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_619A6D9B37022D19124596AD8316AD11" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Operating Activities [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_619A6D9B37022D19124596AD8316AD11" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_7937FB9365D0DE024CE196AD83162612_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_7937FB9365D0DE024CE196AD83162612" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Adjustments to reconcile net income (loss) to net cash flows provided (used) by operating activities: </link:label>
<link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_7937FB9365D0DE024CE196AD83162612_label_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_7937FB9365D0DE024CE196AD83162612" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_7937FB9365D0DE024CE196AD83162612" xlink:type="locator"/>
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<link:label id="lab_cna_Impairmentlossonsaleofsubsidiary_82AA4C272BE92D29602396AD83160D26_terseLabel_en-US" xlink:label="lab_cna_Impairmentlossonsaleofsubsidiary_82AA4C272BE92D29602396AD83160D26" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Impairment loss on sale of subsidiary </link:label>
<link:label id="lab_cna_Impairmentlossonsaleofsubsidiary_82AA4C272BE92D29602396AD83160D26_label_en-US" xlink:label="lab_cna_Impairmentlossonsaleofsubsidiary_82AA4C272BE92D29602396AD83160D26" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Impairment loss on sale of subsidiary </link:label>
<link:label id="lab_cna_Impairmentlossonsaleofsubsidiary_82AA4C272BE92D29602396AD83160D26_documentation_en-US" xlink:label="lab_cna_Impairmentlossonsaleofsubsidiary_82AA4C272BE92D29602396AD83160D26" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Impairment loss on sale of subsidiary </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_Impairmentlossonsaleofsubsidiary" xlink:label="loc_cna_Impairmentlossonsaleofsubsidiary_82AA4C272BE92D29602396AD83160D26" xlink:type="locator"/>
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<link:label id="lab_cna_DeferredIncomeTaxExpenseBenefitContinuingandDiscontinuing_0DAE2843D1262415596896AD831726DF_terseLabel_en-US" xlink:label="lab_cna_DeferredIncomeTaxExpenseBenefitContinuingandDiscontinuing_0DAE2843D1262415596896AD831726DF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred income tax expense (benefit) </link:label>
<link:label id="lab_cna_DeferredIncomeTaxExpenseBenefitContinuingandDiscontinuing_0DAE2843D1262415596896AD831726DF_label_en-US" xlink:label="lab_cna_DeferredIncomeTaxExpenseBenefitContinuingandDiscontinuing_0DAE2843D1262415596896AD831726DF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Income Tax Expense (Benefit) Continuing and Discontinuing </link:label>
<link:label id="lab_cna_DeferredIncomeTaxExpenseBenefitContinuingandDiscontinuing_0DAE2843D1262415596896AD831726DF_documentation_en-US" xlink:label="lab_cna_DeferredIncomeTaxExpenseBenefitContinuingandDiscontinuing_0DAE2843D1262415596896AD831726DF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Deferred Income Tax Expense (Benefit) Continuing and Discontinuing </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_DeferredIncomeTaxExpenseBenefitContinuingandDiscontinuing" xlink:label="loc_cna_DeferredIncomeTaxExpenseBenefitContinuingandDiscontinuing_0DAE2843D1262415596896AD831726DF" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities_35108A17009227D7786396AD83178758_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities_35108A17009227D7786396AD83178758" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Trading portfolio activity </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities_35108A17009227D7786396AD83178758_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities_35108A17009227D7786396AD83178758" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Financial Instruments Used in Operating Activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities" xlink:label="loc_us-gaap_IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities_35108A17009227D7786396AD83178758" xlink:type="locator"/>
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<link:label id="lab_cna_NetRealizedInvestmentGainsLossesContinuingAndDiscontinuingOperations_1023BC70C14A3C47228396AD8317D50A_negatedTerseLabel_en-US" xlink:label="lab_cna_NetRealizedInvestmentGainsLossesContinuingAndDiscontinuingOperations_1023BC70C14A3C47228396AD8317D50A" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Net realized investment (gains) losses </link:label>
<link:label id="lab_cna_NetRealizedInvestmentGainsLossesContinuingAndDiscontinuingOperations_1023BC70C14A3C47228396AD8317D50A_label_en-US" xlink:label="lab_cna_NetRealizedInvestmentGainsLossesContinuingAndDiscontinuingOperations_1023BC70C14A3C47228396AD8317D50A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Realized Investment Gains Losses Continuing And Discontinuing Operations </link:label>
<link:label id="lab_cna_NetRealizedInvestmentGainsLossesContinuingAndDiscontinuingOperations_1023BC70C14A3C47228396AD8317D50A_documentation_en-US" xlink:label="lab_cna_NetRealizedInvestmentGainsLossesContinuingAndDiscontinuingOperations_1023BC70C14A3C47228396AD8317D50A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The net realized gains or losses on investments during the period, for continuing and discontinued operations. </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_NetRealizedInvestmentGainsLossesContinuingAndDiscontinuingOperations" xlink:label="loc_cna_NetRealizedInvestmentGainsLossesContinuingAndDiscontinuingOperations_1023BC70C14A3C47228396AD8317D50A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cna_NetRealizedInvestmentGainsLossesContinuingAndDiscontinuingOperations_1023BC70C14A3C47228396AD8317D50A" xlink:to="lab_cna_NetRealizedInvestmentGainsLossesContinuingAndDiscontinuingOperations_1023BC70C14A3C47228396AD8317D50A" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_0CA59B87397B316E812096AD8317109B_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_0CA59B87397B316E812096AD8317109B" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Equity method investees </link:label>
<link:label id="lab_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_0CA59B87397B316E812096AD8317109B_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_0CA59B87397B316E812096AD8317109B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Equity Method Investments, Net of Dividends or Distributions </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_0CA59B87397B316E812096AD8317109B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_0CA59B87397B316E812096AD8317109B" xlink:to="lab_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_0CA59B87397B316E812096AD8317109B" xlink:type="arc"/>
<link:label id="lab_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_E08880F97B464B6FE13A96AD83179DC6_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_E08880F97B464B6FE13A96AD83179DC6" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Net amortization of investments </link:label>
<link:label id="lab_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_E08880F97B464B6FE13A96AD83179DC6_label_en-US" xlink:label="lab_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_E08880F97B464B6FE13A96AD83179DC6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accretion (Amortization) of Discounts and Premiums, Investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments" xlink:label="loc_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_E08880F97B464B6FE13A96AD83179DC6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_E08880F97B464B6FE13A96AD83179DC6" xlink:to="lab_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_E08880F97B464B6FE13A96AD83179DC6" xlink:type="arc"/>
<link:label id="lab_us-gaap_DepreciationDepletionAndAmortization_195C0633EFC12E16984796AD8317F21F_terseLabel_en-US" xlink:label="lab_us-gaap_DepreciationDepletionAndAmortization_195C0633EFC12E16984796AD8317F21F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Depreciation and amortization </link:label>
<link:label id="lab_us-gaap_DepreciationDepletionAndAmortization_195C0633EFC12E16984796AD8317F21F_label_en-US" xlink:label="lab_us-gaap_DepreciationDepletionAndAmortization_195C0633EFC12E16984796AD8317F21F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Depreciation, Depletion and Amortization </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_195C0633EFC12E16984796AD8317F21F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_705544DCD1E3F00F582B96AD8317DB6D_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_705544DCD1E3F00F582B96AD8317DB6D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Changes in: </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_705544DCD1E3F00F582B96AD8317DB6D_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_705544DCD1E3F00F582B96AD8317DB6D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Operating Capital [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_705544DCD1E3F00F582B96AD8317DB6D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_705544DCD1E3F00F582B96AD8317DB6D" xlink:to="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_705544DCD1E3F00F582B96AD8317DB6D" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncreaseDecreaseInOtherReceivables_7012A3A11BF64E9A800996AD8317D69C_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherReceivables_7012A3A11BF64E9A800996AD8317D69C" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Receivables, net </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInOtherReceivables_7012A3A11BF64E9A800996AD8317D69C_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherReceivables_7012A3A11BF64E9A800996AD8317D69C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Other Receivables </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInOtherReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherReceivables_7012A3A11BF64E9A800996AD8317D69C" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncreaseDecreaseInAccruedInvestmentIncomeReceivable_1814FEEC2A92A45556B196AD83173975_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccruedInvestmentIncomeReceivable_1814FEEC2A92A45556B196AD83173975" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Accrued investment income </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInAccruedInvestmentIncomeReceivable_1814FEEC2A92A45556B196AD83173975_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccruedInvestmentIncomeReceivable_1814FEEC2A92A45556B196AD83173975" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Accrued Investment Income Receivable </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedInvestmentIncomeReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedInvestmentIncomeReceivable_1814FEEC2A92A45556B196AD83173975" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts_BA99664392A1C330FF0196AD8317084F_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts_BA99664392A1C330FF0196AD8317084F" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Deferred acquisition costs </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts_BA99664392A1C330FF0196AD8317084F_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts_BA99664392A1C330FF0196AD8317084F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Deferred Policy Acquisition Costs </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts_BA99664392A1C330FF0196AD8317084F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncreaseDecreaseInInsuranceLiabilities_E08DDD60838E21A277A796AD8317BE0C_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInsuranceLiabilities_E08DDD60838E21A277A796AD8317BE0C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Insurance reserves </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInInsuranceLiabilities_E08DDD60838E21A277A796AD8317BE0C_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInsuranceLiabilities_E08DDD60838E21A277A796AD8317BE0C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Insurance Liabilities </link:label>
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<link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_D5223FEAFD4136EF11D296AD83173EE3_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_D5223FEAFD4136EF11D296AD83173EE3" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Other assets </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_D5223FEAFD4136EF11D296AD83173EE3_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_D5223FEAFD4136EF11D296AD83173EE3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Other Operating Assets </link:label>
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<link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_E10A1E0D3EE5F55122BE96AD83170C9A_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_E10A1E0D3EE5F55122BE96AD83170C9A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other liabilities </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_E10A1E0D3EE5F55122BE96AD83170C9A_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_E10A1E0D3EE5F55122BE96AD83170C9A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Other Operating Liabilities </link:label>
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<link:label id="lab_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_3CF39FE033611E10562196AD8317E3C3_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_3CF39FE033611E10562196AD8317E3C3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other, net </link:label>
<link:label id="lab_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_3CF39FE033611E10562196AD8317E3C3_label_en-US" xlink:label="lab_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_3CF39FE033611E10562196AD8317E3C3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_3CF39FE033611E10562196AD8317E3C3" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_FCAA670401BA26784FE896AD831773D4_totalLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_FCAA670401BA26784FE896AD831773D4" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total adjustments </link:label>
<link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_FCAA670401BA26784FE896AD831773D4_label_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_FCAA670401BA26784FE896AD831773D4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_FCAA670401BA26784FE896AD831773D4" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_E4EB59E56C29B792637C96AD8318DF17_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_E4EB59E56C29B792637C96AD8318DF17" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net cash flows provided (used) by operating activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_E4EB59E56C29B792637C96AD8318DF17_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_E4EB59E56C29B792637C96AD8318DF17" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Operating Activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_E4EB59E56C29B792637C96AD8318DF17" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_E4EB59E56C29B792637C96AD8318DF17" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_E4EB59E56C29B792637C96AD8318DF17" xlink:type="arc"/>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_90EFE5F93956F39F9A5F96AD83181818_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_90EFE5F93956F39F9A5F96AD83181818" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash Flows from Investing Activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_90EFE5F93956F39F9A5F96AD83181818_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_90EFE5F93956F39F9A5F96AD83181818" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Investing Activities [Abstract] </link:label>
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<link:label id="lab_us-gaap_ProceedsFromInvestingActivitiesAbstract_34DFE8F821A2FCD58A2296AD83189767_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromInvestingActivitiesAbstract_34DFE8F821A2FCD58A2296AD83189767" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Dispositions: </link:label>
<link:label id="lab_us-gaap_ProceedsFromInvestingActivitiesAbstract_34DFE8F821A2FCD58A2296AD83189767_label_en-US" xlink:label="lab_us-gaap_ProceedsFromInvestingActivitiesAbstract_34DFE8F821A2FCD58A2296AD83189767" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Investing Activities [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromInvestingActivitiesAbstract" xlink:label="loc_us-gaap_ProceedsFromInvestingActivitiesAbstract_34DFE8F821A2FCD58A2296AD83189767" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromInvestingActivitiesAbstract_34DFE8F821A2FCD58A2296AD83189767" xlink:to="lab_us-gaap_ProceedsFromInvestingActivitiesAbstract_34DFE8F821A2FCD58A2296AD83189767" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_8C566463C4C7A999329E96AD83183AE2_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_8C566463C4C7A999329E96AD83183AE2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fixed maturity securities - sales </link:label>
<link:label id="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_8C566463C4C7A999329E96AD83183AE2_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_8C566463C4C7A999329E96AD83183AE2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Sale of Available-for-sale Securities, Debt </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt" xlink:label="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_8C566463C4C7A999329E96AD83183AE2" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_5F8A73B004EB7732457596AD83189234_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_5F8A73B004EB7732457596AD83189234" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fixed maturity securities - maturities, calls and redemptions </link:label>
<link:label id="lab_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_5F8A73B004EB7732457596AD83189234_label_en-US" xlink:label="lab_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_5F8A73B004EB7732457596AD83189234" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities" xlink:label="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_5F8A73B004EB7732457596AD83189234" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_5F8A73B004EB7732457596AD83189234" xlink:to="lab_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_5F8A73B004EB7732457596AD83189234" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity_75B5C6BED7B763BD649796AD83184A9A_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity_75B5C6BED7B763BD649796AD83184A9A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity securities </link:label>
<link:label id="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity_75B5C6BED7B763BD649796AD83184A9A_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity_75B5C6BED7B763BD649796AD83184A9A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Sale of Available-for-sale Securities, Equity </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity" xlink:label="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity_75B5C6BED7B763BD649796AD83184A9A" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ProceedsFromLimitedPartnershipInvestments_31D6E70015EAF333F67A96AD83182035_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromLimitedPartnershipInvestments_31D6E70015EAF333F67A96AD83182035" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Limited partnerships </link:label>
<link:label id="lab_us-gaap_ProceedsFromLimitedPartnershipInvestments_31D6E70015EAF333F67A96AD83182035_label_en-US" xlink:label="lab_us-gaap_ProceedsFromLimitedPartnershipInvestments_31D6E70015EAF333F67A96AD83182035" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Limited Partnership Investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromLimitedPartnershipInvestments" xlink:label="loc_us-gaap_ProceedsFromLimitedPartnershipInvestments_31D6E70015EAF333F67A96AD83182035" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ProceedsFromSaleAndCollectionOfMortgageNotesReceivable_01CA11E176601D7D1C6696AD831841FC_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleAndCollectionOfMortgageNotesReceivable_01CA11E176601D7D1C6696AD831841FC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Mortgage loans </link:label>
<link:label id="lab_us-gaap_ProceedsFromSaleAndCollectionOfMortgageNotesReceivable_01CA11E176601D7D1C6696AD831841FC_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleAndCollectionOfMortgageNotesReceivable_01CA11E176601D7D1C6696AD831841FC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Sale and Collection of Mortgage Notes Receivable </link:label>
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<link:label id="lab_us-gaap_PaymentsForInvestingActivitiesAbstract_5C68A84F78312B824CDB96AD8318DD54_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsForInvestingActivitiesAbstract_5C68A84F78312B824CDB96AD8318DD54" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Purchases: </link:label>
<link:label id="lab_us-gaap_PaymentsForInvestingActivitiesAbstract_5C68A84F78312B824CDB96AD8318DD54_label_en-US" xlink:label="lab_us-gaap_PaymentsForInvestingActivitiesAbstract_5C68A84F78312B824CDB96AD8318DD54" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments for Investing Activities [Abstract] </link:label>
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<link:label id="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_BE008466AC038D6761ED96AD8318A731_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_BE008466AC038D6761ED96AD8318A731" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Fixed maturity securities </link:label>
<link:label id="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_BE008466AC038D6761ED96AD8318A731_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_BE008466AC038D6761ED96AD8318A731" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments to Acquire Available-for-sale Securities, Debt </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt" xlink:label="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_BE008466AC038D6761ED96AD8318A731" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesEquity_16CD14DB07B822FD08DA96AD83185F0F_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesEquity_16CD14DB07B822FD08DA96AD83185F0F" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Equity securities </link:label>
<link:label id="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesEquity_16CD14DB07B822FD08DA96AD83185F0F_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesEquity_16CD14DB07B822FD08DA96AD83185F0F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments to Acquire Available-for-sale Securities, Equity </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesEquity" xlink:label="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesEquity_16CD14DB07B822FD08DA96AD83185F0F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PaymentsToAcquireLimitedPartnershipInterests_FF55DD2ADC9F7478D64E96AD8318BB10_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireLimitedPartnershipInterests_FF55DD2ADC9F7478D64E96AD8318BB10" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Limited partnerships </link:label>
<link:label id="lab_us-gaap_PaymentsToAcquireLimitedPartnershipInterests_FF55DD2ADC9F7478D64E96AD8318BB10_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireLimitedPartnershipInterests_FF55DD2ADC9F7478D64E96AD8318BB10" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments to Acquire Limited Partnership Interests </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsToAcquireLimitedPartnershipInterests" xlink:label="loc_us-gaap_PaymentsToAcquireLimitedPartnershipInterests_FF55DD2ADC9F7478D64E96AD8318BB10" xlink:type="locator"/>
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<link:label id="lab_cna_PaymentsToPurchaseMortgageLoans_375DB811A3C9A7F82E9796AD8318B9BA_negatedTerseLabel_en-US" xlink:label="lab_cna_PaymentsToPurchaseMortgageLoans_375DB811A3C9A7F82E9796AD8318B9BA" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Mortgage Loans </link:label>
<link:label id="lab_cna_PaymentsToPurchaseMortgageLoans_375DB811A3C9A7F82E9796AD8318B9BA_label_en-US" xlink:label="lab_cna_PaymentsToPurchaseMortgageLoans_375DB811A3C9A7F82E9796AD8318B9BA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments To Purchase Mortgage Loans </link:label>
<link:label id="lab_cna_PaymentsToPurchaseMortgageLoans_375DB811A3C9A7F82E9796AD8318B9BA_documentation_en-US" xlink:label="lab_cna_PaymentsToPurchaseMortgageLoans_375DB811A3C9A7F82E9796AD8318B9BA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The cash outflow used to purchase loans that are secured with net real estate mortgage. </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_PaymentsToPurchaseMortgageLoans" xlink:label="loc_cna_PaymentsToPurchaseMortgageLoans_375DB811A3C9A7F82E9796AD8318B9BA" xlink:type="locator"/>
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<link:label id="lab_cna_ChangeInOtherInvestments_063B089A5C3B06355A6F96AD831803E6_terseLabel_en-US" xlink:label="lab_cna_ChangeInOtherInvestments_063B089A5C3B06355A6F96AD831803E6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Change in other investments </link:label>
<link:label id="lab_cna_ChangeInOtherInvestments_063B089A5C3B06355A6F96AD831803E6_label_en-US" xlink:label="lab_cna_ChangeInOtherInvestments_063B089A5C3B06355A6F96AD831803E6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Change in Other Investments </link:label>
<link:label id="lab_cna_ChangeInOtherInvestments_063B089A5C3B06355A6F96AD831803E6_documentation_en-US" xlink:label="lab_cna_ChangeInOtherInvestments_063B089A5C3B06355A6F96AD831803E6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Change in other investments </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_ChangeInOtherInvestments" xlink:label="loc_cna_ChangeInOtherInvestments_063B089A5C3B06355A6F96AD831803E6" xlink:type="locator"/>
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<link:label id="lab_cna_ChangeInShortTermInvestments_8C4ECEFCAC972100F6EF96AD83187B2A_terseLabel_en-US" xlink:label="lab_cna_ChangeInShortTermInvestments_8C4ECEFCAC972100F6EF96AD83187B2A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Change in short term investments </link:label>
<link:label id="lab_cna_ChangeInShortTermInvestments_8C4ECEFCAC972100F6EF96AD83187B2A_label_en-US" xlink:label="lab_cna_ChangeInShortTermInvestments_8C4ECEFCAC972100F6EF96AD83187B2A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Change in Short Term Investments </link:label>
<link:label id="lab_cna_ChangeInShortTermInvestments_8C4ECEFCAC972100F6EF96AD83187B2A_documentation_en-US" xlink:label="lab_cna_ChangeInShortTermInvestments_8C4ECEFCAC972100F6EF96AD83187B2A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The net amount paid (received) by the reporting entity through acquisition (sale/maturities) of short-term investments with an original maturity that is less than 12 months which qualify for treatment as an investing activity based on management's intention and intended by management to be liquidated, if necessary, within the current operating cycle. </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_ChangeInShortTermInvestments" xlink:label="loc_cna_ChangeInShortTermInvestments_8C4ECEFCAC972100F6EF96AD83187B2A" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_9CAFE86539CDF931466696AD831853B1_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_9CAFE86539CDF931466696AD831853B1" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Purchases of property and equipment </link:label>
<link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_9CAFE86539CDF931466696AD831853B1_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_9CAFE86539CDF931466696AD831853B1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments to Acquire Property, Plant, and Equipment </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_9CAFE86539CDF931466696AD831853B1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_9CAFE86539CDF931466696AD831853B1" xlink:to="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_9CAFE86539CDF931466696AD831853B1" xlink:type="arc"/>
<link:label id="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_F5DA153655708563945596AD83198538_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_F5DA153655708563945596AD83198538" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Other, net </link:label>
<link:label id="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_F5DA153655708563945596AD83198538_label_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_F5DA153655708563945596AD83198538" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments for (Proceeds from) Other Investing Activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_F5DA153655708563945596AD83198538" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_F5DA153655708563945596AD83198538" xlink:to="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_F5DA153655708563945596AD83198538" xlink:type="arc"/>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_E78DA1A53B2BB1791E1296AD83193C03_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_E78DA1A53B2BB1791E1296AD83193C03" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net cash flows provided (used) by investing activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_E78DA1A53B2BB1791E1296AD83193C03_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_E78DA1A53B2BB1791E1296AD83193C03" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Investing Activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_E78DA1A53B2BB1791E1296AD83193C03" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_E78DA1A53B2BB1791E1296AD83193C03" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_E78DA1A53B2BB1791E1296AD83193C03" xlink:type="arc"/>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_18A35F6F46031DC3387796AD8319C03B_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_18A35F6F46031DC3387796AD8319C03B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash Flows from Financing Activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_18A35F6F46031DC3387796AD8319C03B_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_18A35F6F46031DC3387796AD8319C03B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Financing Activities [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_18A35F6F46031DC3387796AD8319C03B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_18A35F6F46031DC3387796AD8319C03B" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_18A35F6F46031DC3387796AD8319C03B" xlink:type="arc"/>
<link:label id="lab_us-gaap_PaymentsOfDividendsCommonStock_174BD298DEB2B5BAABBE96AD8319B2F8_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDividendsCommonStock_174BD298DEB2B5BAABBE96AD8319B2F8" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Dividends paid to common stockholders </link:label>
<link:label id="lab_us-gaap_PaymentsOfDividendsCommonStock_174BD298DEB2B5BAABBE96AD8319B2F8_label_en-US" xlink:label="lab_us-gaap_PaymentsOfDividendsCommonStock_174BD298DEB2B5BAABBE96AD8319B2F8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments of Ordinary Dividends, Common Stock </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_174BD298DEB2B5BAABBE96AD8319B2F8" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfDividendsCommonStock_174BD298DEB2B5BAABBE96AD8319B2F8" xlink:to="lab_us-gaap_PaymentsOfDividendsCommonStock_174BD298DEB2B5BAABBE96AD8319B2F8" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt_66A5ED842E9CAEFBFAB696AD831E919F_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt_66A5ED842E9CAEFBFAB696AD831E919F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from the issuance of debt </link:label>
<link:label id="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt_66A5ED842E9CAEFBFAB696AD831E919F_label_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt_66A5ED842E9CAEFBFAB696AD831E919F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Issuance of Long-term Debt </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_66A5ED842E9CAEFBFAB696AD831E919F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_99CB55F26B7B06861F3196AD831E49A2_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_99CB55F26B7B06861F3196AD831E49A2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other, net </link:label>
<link:label id="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_99CB55F26B7B06861F3196AD831E49A2_label_en-US" xlink:label="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_99CB55F26B7B06861F3196AD831E49A2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from (Payments for) Other Financing Activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_99CB55F26B7B06861F3196AD831E49A2" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_99CB55F26B7B06861F3196AD831E49A2" xlink:to="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_99CB55F26B7B06861F3196AD831E49A2" xlink:type="arc"/>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_5E4C317D08162E163C5096AD831EB534_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_5E4C317D08162E163C5096AD831EB534" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net cash flows provided (used) by financing activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_5E4C317D08162E163C5096AD831EB534_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_5E4C317D08162E163C5096AD831EB534" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Financing Activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_5E4C317D08162E163C5096AD831EB534" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_5E4C317D08162E163C5096AD831EB534" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_5E4C317D08162E163C5096AD831EB534" xlink:type="arc"/>
<link:label id="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_18B417ED5E757C0CBCBC96AD831E8633_terseLabel_en-US" xlink:label="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_18B417ED5E757C0CBCBC96AD831E8633" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Effect of foreign exchange rate changes on cash </link:label>
<link:label id="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_18B417ED5E757C0CBCBC96AD831E8633_label_en-US" xlink:label="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_18B417ED5E757C0CBCBC96AD831E8633" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effect of Exchange Rate on Cash and Cash Equivalents </link:label>
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<link:label id="lab_us-gaap_Cash_3C1E71CC01BC58ABB8AE96AD831E46F4_periodEndLabel_en-US" xlink:label="lab_us-gaap_Cash_3C1E71CC01BC58ABB8AE96AD831E46F4" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Cash, end of period </link:label>
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<link:label id="lab_cna_DisposalGroupIncludingDiscontinuedOperationNetInvestmentIncome_DDDA87AAB1D4ED84CCAC3114308979C4_label_en-US" xlink:label="lab_cna_DisposalGroupIncludingDiscontinuedOperationNetInvestmentIncome_DDDA87AAB1D4ED84CCAC3114308979C4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group Including Discontinued Operation Net Investment Income </link:label>
<link:label id="lab_cna_DisposalGroupIncludingDiscontinuedOperationNetInvestmentIncome_DDDA87AAB1D4ED84CCAC3114308979C4_documentation_en-US" xlink:label="lab_cna_DisposalGroupIncludingDiscontinuedOperationNetInvestmentIncome_DDDA87AAB1D4ED84CCAC3114308979C4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disposal Group Including Discontinued Operation Net Investment Income </link:label>
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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_3D77189DD2AB927AEA3E31143089FB03_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_3D77189DD2AB927AEA3E31143089FB03" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Revenue </link:label>
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<link:label id="lab_cna_DisposalGroupIncludingDiscontinuedOperationInsuranceClaimsandPolicyholdersBenefits_AA51651EE5E2D92741EE31143089F2A6_verboseLabel_en-US" xlink:label="lab_cna_DisposalGroupIncludingDiscontinuedOperationInsuranceClaimsandPolicyholdersBenefits_AA51651EE5E2D92741EE31143089F2A6" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Insurance Claims and Policyholders' Benefits </link:label>
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<link:label id="lab_cna_DisposalGroupIncludingDiscontinuedOperationOtherOperatingExpenses_234D9D7B73093042D55B31143089AC86_verboseLabel_en-US" xlink:label="lab_cna_DisposalGroupIncludingDiscontinuedOperationOtherOperatingExpenses_234D9D7B73093042D55B31143089AC86" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Other Operating Expenses </link:label>
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<link:label id="lab_us-gaap_IncomeStatementAbstract_0D0EDD93095395F5A9F3E81EF7F84A67_label_en-US" xlink:label="lab_us-gaap_IncomeStatementAbstract_0D0EDD93095395F5A9F3E81EF7F84A67" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Statement [Abstract] </link:label>
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<link:label id="lab_cna_NetInvestmentIncomeAndGainsLossesOnTradingSecurities_9A024583823C31288299E81EF7FA78F9_terseLabel_en-US" xlink:label="lab_cna_NetInvestmentIncomeAndGainsLossesOnTradingSecurities_9A024583823C31288299E81EF7FA78F9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net investment income </link:label>
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<link:label id="lab_us-gaap_RealizedInvestmentGainsLossesAbstract_DD929C20CF803979D6E8E81EF7FA82CA_terseLabel_en-US" xlink:label="lab_us-gaap_RealizedInvestmentGainsLossesAbstract_DD929C20CF803979D6E8E81EF7FA82CA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net realized investment gains (losses): </link:label>
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<link:label id="lab_us-gaap_ImpairmentOfInvestments_B80A088A47ADB390789DE81EF7FA5CC0_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_ImpairmentOfInvestments_B80A088A47ADB390789DE81EF7FA5CC0" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Other-than-temporary impairment losses </link:label>
<link:label id="lab_us-gaap_ImpairmentOfInvestments_B80A088A47ADB390789DE81EF7FA5CC0_label_en-US" xlink:label="lab_us-gaap_ImpairmentOfInvestments_B80A088A47ADB390789DE81EF7FA5CC0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other than Temporary Impairment Losses, Investments </link:label>
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<link:label id="lab_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_E1EC5D1948082030B943E81EF7FA5E53_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_E1EC5D1948082030B943E81EF7FA5E53" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Portion of other-than-temporary impairments recognized in Other comprehensive income </link:label>
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<link:label id="lab_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet_320F206E637E3889C696E81EF7FAC3A8_negatedTotalLabel_en-US" xlink:label="lab_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet_320F206E637E3889C696E81EF7FAC3A8" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US"> Net other-than-temporary impairment losses recognized in earnings </link:label>
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<link:label id="lab_us-gaap_IncomeLossFromContinuingOperations_C76AA15F8E8D43054D58E81EF7FB6C19_totalLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperations_C76AA15F8E8D43054D58E81EF7FB6C19" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net income (loss) from continuing operations </link:label>
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<link:label id="lab_us-gaap_EarningsPerShareBasicAbstract_B7CB10F99EBEDCA2AB95E81EF7FBA5F6_verboseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasicAbstract_B7CB10F99EBEDCA2AB95E81EF7FBA5F6" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Basic Earnings (Loss) Per Share Attributable to CNA </link:label>
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<link:label id="lab_us-gaap_EarningsPerShareDilutedAbstract_EA83A9A7F1DC70EF632AE81EF7FBAC32_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareDilutedAbstract_EA83A9A7F1DC70EF632AE81EF7FBAC32" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earnings Per Share, Diluted [Abstract] </link:label>
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<link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_A65B7A4986E29028834CE81EF7FB4C45_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_A65B7A4986E29028834CE81EF7FB4C45" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> (Loss) income from discontinued operations </link:label>
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<link:label id="lab_us-gaap_EarningsPerShareDiluted_89B41F606D05F4EE545AE81EF7FBD00F_totalLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareDiluted_89B41F606D05F4EE545AE81EF7FBD00F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Diluted earnings (loss) per share </link:label>
<link:label id="lab_us-gaap_EarningsPerShareDiluted_89B41F606D05F4EE545AE81EF7FBD00F_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareDiluted_89B41F606D05F4EE545AE81EF7FBD00F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earnings Per Share, Diluted </link:label>
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<link:label id="lab_us-gaap_CommonStockDividendsPerShareCashPaid_E10FBC29AF37783D65F8E81EF7FB31FD_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockDividendsPerShareCashPaid_E10FBC29AF37783D65F8E81EF7FB31FD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Dividends per share </link:label>
<link:label id="lab_us-gaap_CommonStockDividendsPerShareCashPaid_E10FBC29AF37783D65F8E81EF7FB31FD_label_en-US" xlink:label="lab_us-gaap_CommonStockDividendsPerShareCashPaid_E10FBC29AF37783D65F8E81EF7FB31FD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Dividends, Per Share, Cash Paid </link:label>
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<link:label id="lab_cna_WeightedAverageNumberOfSharesOustandingBasicAndDilutedAbstract_04A28B5FF8D2B8E0CD91E81EF7FBA5A7_terseLabel_en-US" xlink:label="lab_cna_WeightedAverageNumberOfSharesOustandingBasicAndDilutedAbstract_04A28B5FF8D2B8E0CD91E81EF7FBA5A7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted Average Outstanding Common Stock and Common Stock Equivalents </link:label>
<link:label id="lab_cna_WeightedAverageNumberOfSharesOustandingBasicAndDilutedAbstract_04A28B5FF8D2B8E0CD91E81EF7FBA5A7_label_en-US" xlink:label="lab_cna_WeightedAverageNumberOfSharesOustandingBasicAndDilutedAbstract_04A28B5FF8D2B8E0CD91E81EF7FBA5A7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted Average Number of Shares Oustanding - Basic and Diluted [Abstract] </link:label>
<link:label id="lab_cna_WeightedAverageNumberOfSharesOustandingBasicAndDilutedAbstract_04A28B5FF8D2B8E0CD91E81EF7FBA5A7_documentation_en-US" xlink:label="lab_cna_WeightedAverageNumberOfSharesOustandingBasicAndDilutedAbstract_04A28B5FF8D2B8E0CD91E81EF7FBA5A7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Weighted Average Number of Shares Oustanding - Basic and Diluted [Abstract] </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_WeightedAverageNumberOfSharesOustandingBasicAndDilutedAbstract" xlink:label="loc_cna_WeightedAverageNumberOfSharesOustandingBasicAndDilutedAbstract_04A28B5FF8D2B8E0CD91E81EF7FBA5A7" xlink:type="locator"/>
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<link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_27A7234501BF8ED884F2E81EF7FB9CB5_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_27A7234501BF8ED884F2E81EF7FB9CB5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Basic </link:label>
<link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_27A7234501BF8ED884F2E81EF7FB9CB5_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_27A7234501BF8ED884F2E81EF7FB9CB5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted Average Number of Shares Outstanding, Basic </link:label>
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<link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_81CBF55DBD3F4601B5A1E81EF7FC4545_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_81CBF55DBD3F4601B5A1E81EF7FC4545" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Diluted </link:label>
<link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_81CBF55DBD3F4601B5A1E81EF7FC4545_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_81CBF55DBD3F4601B5A1E81EF7FC4545" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted Average Number of Shares Outstanding, Diluted </link:label>
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<link:label id="lab_cna_ReductionOfNetUnrealizedGainsOnInvestmentsIncludedInAociDueToShadowAdjustments_CFF4695A8DBFE4D795D672456B7FA8E7_terseLabel_en-US" xlink:label="lab_cna_ReductionOfNetUnrealizedGainsOnInvestmentsIncludedInAociDueToShadowAdjustments_CFF4695A8DBFE4D795D672456B7FA8E7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Reduction of net unrealized gains on investments included in AOCI due to shadow adjustments </link:label>
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<link:label id="lab_cna_FutureCapitalCallCommitments_5F28F97166033C980FB672456B7FA56B_terseLabel_en-US" xlink:label="lab_cna_FutureCapitalCallCommitments_5F28F97166033C980FB672456B7FA56B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Future capital call commitments for limited partnership investments </link:label>
<link:label id="lab_cna_FutureCapitalCallCommitments_5F28F97166033C980FB672456B7FA56B_label_en-US" xlink:label="lab_cna_FutureCapitalCallCommitments_5F28F97166033C980FB672456B7FA56B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Future Capital Call Commitments </link:label>
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<link:label id="lab_cna_MortgageLoanCommitments_A094FE13E2E99096FC8C72456B7FC2A2_terseLabel_en-US" xlink:label="lab_cna_MortgageLoanCommitments_A094FE13E2E99096FC8C72456B7FC2A2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Mortgage loan commitments </link:label>
<link:label id="lab_cna_MortgageLoanCommitments_A094FE13E2E99096FC8C72456B7FC2A2_label_en-US" xlink:label="lab_cna_MortgageLoanCommitments_A094FE13E2E99096FC8C72456B7FC2A2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Mortgage Loan Commitments </link:label>
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<link:label id="lab_cna_CommitmentsToPurchaseOrFundAdditionalAmounts_4185824750CAC5E3084972456B80B410_terseLabel_en-US" xlink:label="lab_cna_CommitmentsToPurchaseOrFundAdditionalAmounts_4185824750CAC5E3084972456B80B410" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Commitments to purchase or fund privately placed debt securities </link:label>
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<link:label id="lab_cna_CommitmentsToSellVariousPrivatelyPlacedDebtSecurities_B73EEC6A7B767817DBBE72456B800654_terseLabel_en-US" xlink:label="lab_cna_CommitmentsToSellVariousPrivatelyPlacedDebtSecurities_B73EEC6A7B767817DBBE72456B800654" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Commitments to sell various privately placed debt securities </link:label>
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<link:label id="lab_us-gaap_PropertyLeaseGuaranteeMember_E973474F8E2EC350B57CDA7507426060_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyLeaseGuaranteeMember_E973474F8E2EC350B57CDA7507426060" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property Lease Guarantee [Member] </link:label>
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<link:label id="lab_us-gaap_LossContingenciesLineItems_2D81EA170FA8065DE097DA7507428013_terseLabel_en-US" xlink:label="lab_us-gaap_LossContingenciesLineItems_2D81EA170FA8065DE097DA7507428013" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Loss Contingencies [Line Items] </link:label>
<link:label id="lab_us-gaap_LossContingenciesLineItems_2D81EA170FA8065DE097DA7507428013_label_en-US" xlink:label="lab_us-gaap_LossContingenciesLineItems_2D81EA170FA8065DE097DA7507428013" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Loss Contingencies [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LossContingenciesLineItems" xlink:label="loc_us-gaap_LossContingenciesLineItems_2D81EA170FA8065DE097DA7507428013" xlink:type="locator"/>
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<link:label id="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_BB1658DACE45DC9ED7D8DA750742800C_terseLabel_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_BB1658DACE45DC9ED7D8DA750742800C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Guarantor Obligations, Current Carrying Value </link:label>
<link:label id="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_BB1658DACE45DC9ED7D8DA750742800C_label_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_BB1658DACE45DC9ED7D8DA750742800C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Guarantor Obligations, Current Carrying Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GuaranteeObligationsCurrentCarryingValue" xlink:label="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_BB1658DACE45DC9ED7D8DA750742800C" xlink:type="locator"/>
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<link:label id="lab_us-gaap_GuaranteeObligationsMaximumExposure_BAFC4196B291A7987DDCDA7507438D3F_terseLabel_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsMaximumExposure_BAFC4196B291A7987DDCDA7507438D3F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Guarantor Obligations, Maximum Exposure, Undiscounted </link:label>
<link:label id="lab_us-gaap_GuaranteeObligationsMaximumExposure_BAFC4196B291A7987DDCDA7507438D3F_label_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsMaximumExposure_BAFC4196B291A7987DDCDA7507438D3F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Guarantor Obligations, Maximum Exposure, Undiscounted </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GuaranteeObligationsMaximumExposure" xlink:label="loc_us-gaap_GuaranteeObligationsMaximumExposure_BAFC4196B291A7987DDCDA7507438D3F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EarningsPerShareTextBlock_7BB7B25C0BC1A359830072456B9A1519_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareTextBlock_7BB7B25C0BC1A359830072456B9A1519" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Earnings Per Share [Text Block] </link:label>
<link:label id="lab_us-gaap_EarningsPerShareTextBlock_7BB7B25C0BC1A359830072456B9A1519_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareTextBlock_7BB7B25C0BC1A359830072456B9A1519" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earnings Per Share [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EarningsPerShareTextBlock" xlink:label="loc_us-gaap_EarningsPerShareTextBlock_7BB7B25C0BC1A359830072456B9A1519" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_32C57AC033022B0761BDE82D535BE782_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_32C57AC033022B0761BDE82D535BE782" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Income tax (expense) benefit on discontinued operations </link:label>
<link:label id="lab_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_32C57AC033022B0761BDE82D535BE782_label_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_32C57AC033022B0761BDE82D535BE782" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Discontinued Operation, Tax Effect of Discontinued Operation </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation" xlink:label="loc_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_32C57AC033022B0761BDE82D535BE782" xlink:type="locator"/>
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<link:label id="lab_cna_FairValueAssetsLevel2toLevel1Transfers_00745A24ABC1B626CB13FD3682DF633F_terseLabel_en-US" xlink:label="lab_cna_FairValueAssetsLevel2toLevel1Transfers_00745A24ABC1B626CB13FD3682DF633F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair Value, Assets, Level 2 to Level 1, Transfers </link:label>
<link:label id="lab_cna_FairValueAssetsLevel2toLevel1Transfers_00745A24ABC1B626CB13FD3682DF633F_label_en-US" xlink:label="lab_cna_FairValueAssetsLevel2toLevel1Transfers_00745A24ABC1B626CB13FD3682DF633F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Assets, Level 2 to Level 1, Transfers </link:label>
<link:label id="lab_cna_FairValueAssetsLevel2toLevel1Transfers_00745A24ABC1B626CB13FD3682DF633F_documentation_en-US" xlink:label="lab_cna_FairValueAssetsLevel2toLevel1Transfers_00745A24ABC1B626CB13FD3682DF633F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Fair Value, Assets, Level 2 to Level 1, Transfers </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_FairValueAssetsLevel2toLevel1Transfers" xlink:label="loc_cna_FairValueAssetsLevel2toLevel1Transfers_00745A24ABC1B626CB13FD3682DF633F" xlink:type="locator"/>
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<link:label id="lab_cna_FairValueAssetsLevel1toLevel2Transfers_99FDFDA6496F4121D889FD3881DDACF7_terseLabel_en-US" xlink:label="lab_cna_FairValueAssetsLevel1toLevel2Transfers_99FDFDA6496F4121D889FD3881DDACF7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair Value, Assets, Level 1 to Level 2, Transfers </link:label>
<link:label id="lab_cna_FairValueAssetsLevel1toLevel2Transfers_99FDFDA6496F4121D889FD3881DDACF7_label_en-US" xlink:label="lab_cna_FairValueAssetsLevel1toLevel2Transfers_99FDFDA6496F4121D889FD3881DDACF7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Assets, Level 1 to Level 2, Transfers </link:label>
<link:label id="lab_cna_FairValueAssetsLevel1toLevel2Transfers_99FDFDA6496F4121D889FD3881DDACF7_documentation_en-US" xlink:label="lab_cna_FairValueAssetsLevel1toLevel2Transfers_99FDFDA6496F4121D889FD3881DDACF7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Fair Value, Assets, Level 1 to Level 2, Transfers </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_FairValueAssetsLevel1toLevel2Transfers" xlink:label="loc_cna_FairValueAssetsLevel1toLevel2Transfers_99FDFDA6496F4121D889FD3881DDACF7" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_2CF14B109CDFF71A4C3230916F34B4E4_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_2CF14B109CDFF71A4C3230916F34B4E4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Discontinued Operations </link:label>
<link:label id="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_2CF14B109CDFF71A4C3230916F34B4E4_label_en-US" xlink:label="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_2CF14B109CDFF71A4C3230916F34B4E4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_2CF14B109CDFF71A4C3230916F34B4E4" xlink:type="locator"/>
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<link:label id="lab_invest_InvestmentTextBlock_7AEBF21D5F353EF29B7D72456B23CD74_terseLabel_en-US" xlink:label="lab_invest_InvestmentTextBlock_7AEBF21D5F353EF29B7D72456B23CD74" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Investments </link:label>
<link:label id="lab_invest_InvestmentTextBlock_7AEBF21D5F353EF29B7D72456B23CD74_label_en-US" xlink:label="lab_invest_InvestmentTextBlock_7AEBF21D5F353EF29B7D72456B23CD74" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Investment [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_InvestmentTextBlock" xlink:label="loc_invest_InvestmentTextBlock_7AEBF21D5F353EF29B7D72456B23CD74" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet_F59F8CD0942B0A0D1956C192601776C7_terseLabel_en-US" xlink:label="lab_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet_F59F8CD0942B0A0D1956C192601776C7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other-than-temporary impairment losses recognized in earnings </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet" xlink:label="loc_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet_F59F8CD0942B0A0D1956C192601776C7" xlink:type="locator"/>
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<link:label id="lab_cna_SpecialtyMember_4B26375731E8BD06E896F903AB6C5BEF_terseLabel_en-US" xlink:label="lab_cna_SpecialtyMember_4B26375731E8BD06E896F903AB6C5BEF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Specialty [Member] </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_SpecialtyMember" xlink:label="loc_cna_SpecialtyMember_4B26375731E8BD06E896F903AB6C5BEF" xlink:type="locator"/>
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<link:label id="lab_cna_CommercialMember_75F98D59D519FEEC1BEDF903AB6C848D_terseLabel_en-US" xlink:label="lab_cna_CommercialMember_75F98D59D519FEEC1BEDF903AB6C848D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Commercial [Member] </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_CommercialMember" xlink:label="loc_cna_CommercialMember_75F98D59D519FEEC1BEDF903AB6C848D" xlink:type="locator"/>
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<link:label id="lab_cna_CatastropheLossesNetOfReinsurance_EECCD626178A368BE199F903AB6CCEA0_terseLabel_en-US" xlink:label="lab_cna_CatastropheLossesNetOfReinsurance_EECCD626178A368BE199F903AB6CCEA0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Catastrophe losses net of reinsurance </link:label>
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<link:label id="lab_cna_Favorabledevelopmentinotherprofessionalliabilityandmanagementliabilityrelatedtolowerthanexpectedseverityforprofessionalservicesprimarilyinaccidentyears2010andprior_51921348D4936EE9E85CF903AB6CB215_terseLabel_en-US" xlink:label="lab_cna_Favorabledevelopmentinotherprofessionalliabilityandmanagementliabilityrelatedtolowerthanexpectedseverityforprofessionalservicesprimarilyinaccidentyears2010andprior_51921348D4936EE9E85CF903AB6CB215" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Favorable development in other professional liability and management liability related to lower than expected severity for professional services primarily in accident years 2010 and prior </link:label>
<link:label id="lab_cna_Favorabledevelopmentinotherprofessionalliabilityandmanagementliabilityrelatedtolowerthanexpectedseverityforprofessionalservicesprimarilyinaccidentyears2010andprior_51921348D4936EE9E85CF903AB6CB215_label_en-US" xlink:label="lab_cna_Favorabledevelopmentinotherprofessionalliabilityandmanagementliabilityrelatedtolowerthanexpectedseverityforprofessionalservicesprimarilyinaccidentyears2010andprior_51921348D4936EE9E85CF903AB6CB215" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Favorable development in other professional liability and management liability related to lower than expected severity for professional services primarily in accident years 2010 and prior </link:label>
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<link:label id="lab_cna_Unfavorabledevelopmentinotherprofessionalservicesrelatedtoincreasedclaimfrequencyonpubliccompanymanagementliabilityinaccidentyears2012through2014_4C0F27EC15992F4ABCACF903AB6C4FD4_terseLabel_en-US" xlink:label="lab_cna_Unfavorabledevelopmentinotherprofessionalservicesrelatedtoincreasedclaimfrequencyonpubliccompanymanagementliabilityinaccidentyears2012through2014_4C0F27EC15992F4ABCACF903AB6C4FD4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unfavorable development in other professional services related to increased claim frequency on public company management liability in accident years 2012 through 2014 </link:label>
<link:label id="lab_cna_Unfavorabledevelopmentinotherprofessionalservicesrelatedtoincreasedclaimfrequencyonpubliccompanymanagementliabilityinaccidentyears2012through2014_4C0F27EC15992F4ABCACF903AB6C4FD4_label_en-US" xlink:label="lab_cna_Unfavorabledevelopmentinotherprofessionalservicesrelatedtoincreasedclaimfrequencyonpubliccompanymanagementliabilityinaccidentyears2012through2014_4C0F27EC15992F4ABCACF903AB6C4FD4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Unfavorable development in other professional services related to increased claim frequency on public company management liability in accident years 2012 through 2014 </link:label>
<link:label id="lab_cna_Unfavorabledevelopmentinotherprofessionalservicesrelatedtoincreasedclaimfrequencyonpubliccompanymanagementliabilityinaccidentyears2012through2014_4C0F27EC15992F4ABCACF903AB6C4FD4_documentation_en-US" xlink:label="lab_cna_Unfavorabledevelopmentinotherprofessionalservicesrelatedtoincreasedclaimfrequencyonpubliccompanymanagementliabilityinaccidentyears2012through2014_4C0F27EC15992F4ABCACF903AB6C4FD4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Unfavorable development in other professional services related to increased claim frequency on public company management liability in accident years 2012 through 2014 </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_Unfavorabledevelopmentinotherprofessionalservicesrelatedtoincreasedclaimfrequencyonpubliccompanymanagementliabilityinaccidentyears2012through2014" xlink:label="loc_cna_Unfavorabledevelopmentinotherprofessionalservicesrelatedtoincreasedclaimfrequencyonpubliccompanymanagementliabilityinaccidentyears2012through2014_4C0F27EC15992F4ABCACF903AB6C4FD4" xlink:type="locator"/>
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<link:label id="lab_cna_PretaxFavorableUnfavorableNetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentExcludingLifeGroup_D0DBFD26A3DF97374019F903AB6C4B1B_terseLabel_en-US" xlink:label="lab_cna_PretaxFavorableUnfavorableNetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentExcludingLifeGroup_D0DBFD26A3DF97374019F903AB6C4B1B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Pretax (favorable) unfavorable net prior year claim and allocated claim adjustment expense reserve development, excluding Life & Group </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_PretaxFavorableUnfavorableNetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentExcludingLifeGroup" xlink:label="loc_cna_PretaxFavorableUnfavorableNetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentExcludingLifeGroup_D0DBFD26A3DF97374019F903AB6C4B1B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cna_PretaxFavorableUnfavorableNetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentExcludingLifeGroup_D0DBFD26A3DF97374019F903AB6C4B1B" xlink:to="lab_cna_PretaxFavorableUnfavorableNetPriorYearClaimAndAllocatedClaimAdjustmentExpenseReserveDevelopmentExcludingLifeGroup_D0DBFD26A3DF97374019F903AB6C4B1B" xlink:type="arc"/>
<link:label id="lab_us-gaap_LiabilityForAsbestosAndEnvironmentalClaimsNet_6DFB37E1380F89797DA1F903AB6CAF52_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilityForAsbestosAndEnvironmentalClaimsNet_6DFB37E1380F89797DA1F903AB6CAF52" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net A&EP claim and allocated claim adjustment expense reserves ceded to NICO </link:label>
<link:label id="lab_us-gaap_LiabilityForAsbestosAndEnvironmentalClaimsNet_6DFB37E1380F89797DA1F903AB6CAF52_label_en-US" xlink:label="lab_us-gaap_LiabilityForAsbestosAndEnvironmentalClaimsNet_6DFB37E1380F89797DA1F903AB6CAF52" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liability for Asbestos and Environmental Claims, Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilityForAsbestosAndEnvironmentalClaimsNet" xlink:label="loc_us-gaap_LiabilityForAsbestosAndEnvironmentalClaimsNet_6DFB37E1380F89797DA1F903AB6CAF52" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilityForAsbestosAndEnvironmentalClaimsNet_6DFB37E1380F89797DA1F903AB6CAF52" xlink:to="lab_us-gaap_LiabilityForAsbestosAndEnvironmentalClaimsNet_6DFB37E1380F89797DA1F903AB6CAF52" xlink:type="arc"/>
<link:label id="lab_cna_AggregateLimitUnderAepLossPortfolioTransfer_ACC18D10E80E4D1C5926F903AB6C5051_terseLabel_en-US" xlink:label="lab_cna_AggregateLimitUnderAepLossPortfolioTransfer_ACC18D10E80E4D1C5926F903AB6C5051" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Aggregate limit under AEP Loss Portfolio Transfer </link:label>
<link:label id="lab_cna_AggregateLimitUnderAepLossPortfolioTransfer_ACC18D10E80E4D1C5926F903AB6C5051_label_en-US" xlink:label="lab_cna_AggregateLimitUnderAepLossPortfolioTransfer_ACC18D10E80E4D1C5926F903AB6C5051" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Aggregate limit under AEP Loss Portfolio Transfer </link:label>
<link:label id="lab_cna_AggregateLimitUnderAepLossPortfolioTransfer_ACC18D10E80E4D1C5926F903AB6C5051_documentation_en-US" xlink:label="lab_cna_AggregateLimitUnderAepLossPortfolioTransfer_ACC18D10E80E4D1C5926F903AB6C5051" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Aggregate limit under A&EP Loss Portfolio Transfer </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_AggregateLimitUnderAepLossPortfolioTransfer" xlink:label="loc_cna_AggregateLimitUnderAepLossPortfolioTransfer_ACC18D10E80E4D1C5926F903AB6C5051" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cna_AggregateLimitUnderAepLossPortfolioTransfer_ACC18D10E80E4D1C5926F903AB6C5051" xlink:to="lab_cna_AggregateLimitUnderAepLossPortfolioTransfer_ACC18D10E80E4D1C5926F903AB6C5051" xlink:type="arc"/>
<link:label id="lab_cna_ClaimAndAllocatedClaimAdjustmentExpenseReservesUnderExistingThirdPartyReinsuranceContracts_A6EBAE2863ACBF2EF324F903AB6C879A_terseLabel_en-US" xlink:label="lab_cna_ClaimAndAllocatedClaimAdjustmentExpenseReservesUnderExistingThirdPartyReinsuranceContracts_A6EBAE2863ACBF2EF324F903AB6C879A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> A&EP claim and allocated claim adjustment expense reserves ceded under existing third party reinsurance contracts transferred to NICO under A&EP Loss Portfolio Transfer </link:label>
<link:label id="lab_cna_ClaimAndAllocatedClaimAdjustmentExpenseReservesUnderExistingThirdPartyReinsuranceContracts_A6EBAE2863ACBF2EF324F903AB6C879A_label_en-US" xlink:label="lab_cna_ClaimAndAllocatedClaimAdjustmentExpenseReservesUnderExistingThirdPartyReinsuranceContracts_A6EBAE2863ACBF2EF324F903AB6C879A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Claim And Allocated Claim Adjustment Expense Reserves Under Existing Third Party Reinsurance Contracts </link:label>
<link:label id="lab_cna_ClaimAndAllocatedClaimAdjustmentExpenseReservesUnderExistingThirdPartyReinsuranceContracts_A6EBAE2863ACBF2EF324F903AB6C879A_documentation_en-US" xlink:label="lab_cna_ClaimAndAllocatedClaimAdjustmentExpenseReservesUnderExistingThirdPartyReinsuranceContracts_A6EBAE2863ACBF2EF324F903AB6C879A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Claim and allocated claim adjustment expense reserves under existing third party reinsurance contracts. </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_ClaimAndAllocatedClaimAdjustmentExpenseReservesUnderExistingThirdPartyReinsuranceContracts" xlink:label="loc_cna_ClaimAndAllocatedClaimAdjustmentExpenseReservesUnderExistingThirdPartyReinsuranceContracts_A6EBAE2863ACBF2EF324F903AB6C879A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cna_ClaimAndAllocatedClaimAdjustmentExpenseReservesUnderExistingThirdPartyReinsuranceContracts_A6EBAE2863ACBF2EF324F903AB6C879A" xlink:to="lab_cna_ClaimAndAllocatedClaimAdjustmentExpenseReservesUnderExistingThirdPartyReinsuranceContracts_A6EBAE2863ACBF2EF324F903AB6C879A" xlink:type="arc"/>
<link:label id="lab_cna_ReinsurancePremiumPaidToNicoUnderAepLossPortfolioTransfer_C8BAF79CA2A207A716B2F903AB6C4E4C_terseLabel_en-US" xlink:label="lab_cna_ReinsurancePremiumPaidToNicoUnderAepLossPortfolioTransfer_C8BAF79CA2A207A716B2F903AB6C4E4C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Reinsurance premium paid to NICO under A&EP Loss Portfolio Transfer </link:label>
<link:label id="lab_cna_ReinsurancePremiumPaidToNicoUnderAepLossPortfolioTransfer_C8BAF79CA2A207A716B2F903AB6C4E4C_label_en-US" xlink:label="lab_cna_ReinsurancePremiumPaidToNicoUnderAepLossPortfolioTransfer_C8BAF79CA2A207A716B2F903AB6C4E4C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Reinsurance premium paid to NICO under AEP Loss Portfolio Transfer </link:label>
<link:label id="lab_cna_ReinsurancePremiumPaidToNicoUnderAepLossPortfolioTransfer_C8BAF79CA2A207A716B2F903AB6C4E4C_documentation_en-US" xlink:label="lab_cna_ReinsurancePremiumPaidToNicoUnderAepLossPortfolioTransfer_C8BAF79CA2A207A716B2F903AB6C4E4C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Reinsurance premium paid to NICO under A&EP Loss Portfolio Transfer </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_ReinsurancePremiumPaidToNicoUnderAepLossPortfolioTransfer" xlink:label="loc_cna_ReinsurancePremiumPaidToNicoUnderAepLossPortfolioTransfer_C8BAF79CA2A207A716B2F903AB6C4E4C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cna_ReinsurancePremiumPaidToNicoUnderAepLossPortfolioTransfer_C8BAF79CA2A207A716B2F903AB6C4E4C" xlink:to="lab_cna_ReinsurancePremiumPaidToNicoUnderAepLossPortfolioTransfer_C8BAF79CA2A207A716B2F903AB6C4E4C" xlink:type="arc"/>
<link:label id="lab_cna_NetReinsuranceReceivablesTransferrredToNicoUnderAepLossPortfolioTransfer_D76FCAAB945AA946E12FF903AB6CBAAE_terseLabel_en-US" xlink:label="lab_cna_NetReinsuranceReceivablesTransferrredToNicoUnderAepLossPortfolioTransfer_D76FCAAB945AA946E12FF903AB6CBAAE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net reinsurance receivables transferrred to NICO under A&EP Loss Portfolio Transfer </link:label>
<link:label id="lab_cna_NetReinsuranceReceivablesTransferrredToNicoUnderAepLossPortfolioTransfer_D76FCAAB945AA946E12FF903AB6CBAAE_label_en-US" xlink:label="lab_cna_NetReinsuranceReceivablesTransferrredToNicoUnderAepLossPortfolioTransfer_D76FCAAB945AA946E12FF903AB6CBAAE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net reinsurance receivables transferrred to NICO under AEP Loss Portfolio Transfer </link:label>
<link:label id="lab_cna_NetReinsuranceReceivablesTransferrredToNicoUnderAepLossPortfolioTransfer_D76FCAAB945AA946E12FF903AB6CBAAE_documentation_en-US" xlink:label="lab_cna_NetReinsuranceReceivablesTransferrredToNicoUnderAepLossPortfolioTransfer_D76FCAAB945AA946E12FF903AB6CBAAE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Net reinsurance receivables transferrred to NICO under A&EP Loss Portfolio Transfer </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_NetReinsuranceReceivablesTransferrredToNicoUnderAepLossPortfolioTransfer" xlink:label="loc_cna_NetReinsuranceReceivablesTransferrredToNicoUnderAepLossPortfolioTransfer_D76FCAAB945AA946E12FF903AB6CBAAE" xlink:type="locator"/>
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<link:label id="lab_cna_TotalconsiderationpaidtoNICOunderAEPLossPortfolioTransfer_ECAC2A8B9A7DF1A1A376F903AB6CABFF_terseLabel_en-US" xlink:label="lab_cna_TotalconsiderationpaidtoNICOunderAEPLossPortfolioTransfer_ECAC2A8B9A7DF1A1A376F903AB6CABFF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total consideration paid to NICO under A&EP Loss Portfolio Transfer </link:label>
<link:label id="lab_cna_TotalconsiderationpaidtoNICOunderAEPLossPortfolioTransfer_ECAC2A8B9A7DF1A1A376F903AB6CABFF_label_en-US" xlink:label="lab_cna_TotalconsiderationpaidtoNICOunderAEPLossPortfolioTransfer_ECAC2A8B9A7DF1A1A376F903AB6CABFF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Total consideration paid to NICO under AEP Loss Portfolio Transfer </link:label>
<link:label id="lab_cna_TotalconsiderationpaidtoNICOunderAEPLossPortfolioTransfer_ECAC2A8B9A7DF1A1A376F903AB6CABFF_documentation_en-US" xlink:label="lab_cna_TotalconsiderationpaidtoNICOunderAEPLossPortfolioTransfer_ECAC2A8B9A7DF1A1A376F903AB6CABFF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Total consideration paid to NICO under AEP Loss Portfolio Transfer </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_TotalconsiderationpaidtoNICOunderAEPLossPortfolioTransfer" xlink:label="loc_cna_TotalconsiderationpaidtoNICOunderAEPLossPortfolioTransfer_ECAC2A8B9A7DF1A1A376F903AB6CABFF" xlink:type="locator"/>
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<link:label id="lab_cna_CumulativeamountscededunderAEPLossPortfolioTransfer_90F6C706D1E2D153A16EF903AB6C4D5A_terseLabel_en-US" xlink:label="lab_cna_CumulativeamountscededunderAEPLossPortfolioTransfer_90F6C706D1E2D153A16EF903AB6C4D5A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cumulative amounts ceded under A&EP Loss Portfolio Transfer </link:label>
<link:label id="lab_cna_CumulativeamountscededunderAEPLossPortfolioTransfer_90F6C706D1E2D153A16EF903AB6C4D5A_label_en-US" xlink:label="lab_cna_CumulativeamountscededunderAEPLossPortfolioTransfer_90F6C706D1E2D153A16EF903AB6C4D5A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cumulative amounts ceded under AEP Loss Portfolio Transfer </link:label>
<link:label id="lab_cna_CumulativeamountscededunderAEPLossPortfolioTransfer_90F6C706D1E2D153A16EF903AB6C4D5A_documentation_en-US" xlink:label="lab_cna_CumulativeamountscededunderAEPLossPortfolioTransfer_90F6C706D1E2D153A16EF903AB6C4D5A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Cumulative amounts ceded under AEP Loss Portfolio Transfer </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_CumulativeamountscededunderAEPLossPortfolioTransfer" xlink:label="loc_cna_CumulativeamountscededunderAEPLossPortfolioTransfer_90F6C706D1E2D153A16EF903AB6C4D5A" xlink:type="locator"/>
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<link:label id="lab_cna_Deferredreinsurancebenefityettoberecognized_3E0E57B45C0165E9C072F903AB6CB354_terseLabel_en-US" xlink:label="lab_cna_Deferredreinsurancebenefityettoberecognized_3E0E57B45C0165E9C072F903AB6CB354" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred reinsurance benefit yet to be recognized </link:label>
<link:label id="lab_cna_Deferredreinsurancebenefityettoberecognized_3E0E57B45C0165E9C072F903AB6CB354_label_en-US" xlink:label="lab_cna_Deferredreinsurancebenefityettoberecognized_3E0E57B45C0165E9C072F903AB6CB354" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred reinsurance benefit yet to be recognized </link:label>
<link:label id="lab_cna_Deferredreinsurancebenefityettoberecognized_3E0E57B45C0165E9C072F903AB6CB354_documentation_en-US" xlink:label="lab_cna_Deferredreinsurancebenefityettoberecognized_3E0E57B45C0165E9C072F903AB6CB354" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Deferred reinsurance benefit yet to be recognized </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_Deferredreinsurancebenefityettoberecognized" xlink:label="loc_cna_Deferredreinsurancebenefityettoberecognized_3E0E57B45C0165E9C072F903AB6CB354" xlink:type="locator"/>
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<link:label id="lab_cna_FairValueOfCollateralTrustAccountEstablishedByNicoUnderAepLossPortfolioTransfer_153CA02BB1AE30857F35F903AB6C41B0_terseLabel_en-US" xlink:label="lab_cna_FairValueOfCollateralTrustAccountEstablishedByNicoUnderAepLossPortfolioTransfer_153CA02BB1AE30857F35F903AB6C41B0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair value of collateral trust account established by NICO under A&EP Loss Portfolio Transfer </link:label>
<link:label id="lab_cna_FairValueOfCollateralTrustAccountEstablishedByNicoUnderAepLossPortfolioTransfer_153CA02BB1AE30857F35F903AB6C41B0_label_en-US" xlink:label="lab_cna_FairValueOfCollateralTrustAccountEstablishedByNicoUnderAepLossPortfolioTransfer_153CA02BB1AE30857F35F903AB6C41B0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair value of collateral trust account established by NICO under AEP Loss Portfolio Transfer </link:label>
<link:label id="lab_cna_FairValueOfCollateralTrustAccountEstablishedByNicoUnderAepLossPortfolioTransfer_153CA02BB1AE30857F35F903AB6C41B0_documentation_en-US" xlink:label="lab_cna_FairValueOfCollateralTrustAccountEstablishedByNicoUnderAepLossPortfolioTransfer_153CA02BB1AE30857F35F903AB6C41B0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Fair value of collateral trust account established by NICO under A&EP Loss Portfolio Transfer </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_FairValueOfCollateralTrustAccountEstablishedByNicoUnderAepLossPortfolioTransfer" xlink:label="loc_cna_FairValueOfCollateralTrustAccountEstablishedByNicoUnderAepLossPortfolioTransfer_153CA02BB1AE30857F35F903AB6C41B0" xlink:type="locator"/>
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<link:label id="lab_us-gaap_RevenuesAbstract_F60A58F87F69CD7D01F76F11D8B58C78_verboseLabel_en-US" xlink:label="lab_us-gaap_RevenuesAbstract_F60A58F87F69CD7D01F76F11D8B58C78" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Operating Revenues </link:label>
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<link:label id="lab_cna_OperatingRevenues_76849333042F4FEC38906F11D8B58215_totalLabel_en-US" xlink:label="lab_cna_OperatingRevenues_76849333042F4FEC38906F11D8B58215" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total operating revenues </link:label>
<link:label id="lab_cna_OperatingRevenues_76849333042F4FEC38906F11D8B58215_label_en-US" xlink:label="lab_cna_OperatingRevenues_76849333042F4FEC38906F11D8B58215" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Revenues </link:label>
<link:label id="lab_cna_OperatingRevenues_76849333042F4FEC38906F11D8B58215_documentation_en-US" xlink:label="lab_cna_OperatingRevenues_76849333042F4FEC38906F11D8B58215" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Operating Revenues </link:label>
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<link:label id="lab_us-gaap_PolicyholderBenefitsAndClaimsIncurredNet_F55D9A8DC3326808E1AB6F11D8B5FBE6_verboseLabel_en-US" xlink:label="lab_us-gaap_PolicyholderBenefitsAndClaimsIncurredNet_F55D9A8DC3326808E1AB6F11D8B5FBE6" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Net incurred claims and benefits </link:label>
<link:label id="lab_us-gaap_PolicyholderBenefitsAndClaimsIncurredNet_F55D9A8DC3326808E1AB6F11D8B5FBE6_label_en-US" xlink:label="lab_us-gaap_PolicyholderBenefitsAndClaimsIncurredNet_F55D9A8DC3326808E1AB6F11D8B5FBE6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Policyholder Benefits and Claims Incurred, Net </link:label>
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<link:label id="lab_us-gaap_PolicyholderDividends_5820B50C59A4076FD1FF6F11D8B5E477_verboseLabel_en-US" xlink:label="lab_us-gaap_PolicyholderDividends_5820B50C59A4076FD1FF6F11D8B5E477" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Policyholders' dividends </link:label>
<link:label id="lab_us-gaap_PolicyholderDividends_5820B50C59A4076FD1FF6F11D8B5E477_label_en-US" xlink:label="lab_us-gaap_PolicyholderDividends_5820B50C59A4076FD1FF6F11D8B5E477" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Policyholder Dividends, Expense </link:label>
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<link:label id="lab_cna_OtherInsuranceRelatedExpenses_AC87C849B6A5062745BA6F11D8B568F8_terseLabel_en-US" xlink:label="lab_cna_OtherInsuranceRelatedExpenses_AC87C849B6A5062745BA6F11D8B568F8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other insurance related expenses </link:label>
<link:label id="lab_cna_OtherInsuranceRelatedExpenses_AC87C849B6A5062745BA6F11D8B568F8_label_en-US" xlink:label="lab_cna_OtherInsuranceRelatedExpenses_AC87C849B6A5062745BA6F11D8B568F8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Insurance Related Expenses </link:label>
<link:label id="lab_cna_OtherInsuranceRelatedExpenses_AC87C849B6A5062745BA6F11D8B568F8_documentation_en-US" xlink:label="lab_cna_OtherInsuranceRelatedExpenses_AC87C849B6A5062745BA6F11D8B568F8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Other Insurance Related Expenses </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_OtherInsuranceRelatedExpenses" xlink:label="loc_cna_OtherInsuranceRelatedExpenses_AC87C849B6A5062745BA6F11D8B568F8" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OtherExpenses_5196175E4501A435B8816F11D8B532FF_terseLabel_en-US" xlink:label="lab_us-gaap_OtherExpenses_5196175E4501A435B8816F11D8B532FF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other expenses </link:label>
<link:label id="lab_us-gaap_OtherExpenses_5196175E4501A435B8816F11D8B532FF_label_en-US" xlink:label="lab_us-gaap_OtherExpenses_5196175E4501A435B8816F11D8B532FF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Expenses </link:label>
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<link:label id="lab_cna_OperatingIncomeLossFromContinuingOperationsBeforeIncomeTax_0CD300F4F4709C56BFBC6F11D8B536C9_totalLabel_en-US" xlink:label="lab_cna_OperatingIncomeLossFromContinuingOperationsBeforeIncomeTax_0CD300F4F4709C56BFBC6F11D8B536C9" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Operating income (loss) before income tax </link:label>
<link:label id="lab_cna_OperatingIncomeLossFromContinuingOperationsBeforeIncomeTax_0CD300F4F4709C56BFBC6F11D8B536C9_label_en-US" xlink:label="lab_cna_OperatingIncomeLossFromContinuingOperationsBeforeIncomeTax_0CD300F4F4709C56BFBC6F11D8B536C9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Income (Loss) from Continuing Operations before Income Tax </link:label>
<link:label id="lab_cna_OperatingIncomeLossFromContinuingOperationsBeforeIncomeTax_0CD300F4F4709C56BFBC6F11D8B536C9_documentation_en-US" xlink:label="lab_cna_OperatingIncomeLossFromContinuingOperationsBeforeIncomeTax_0CD300F4F4709C56BFBC6F11D8B536C9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Operating Income (Loss) from Continuing Operations before Income Tax </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_OperatingIncomeLossFromContinuingOperationsBeforeIncomeTax" xlink:label="loc_cna_OperatingIncomeLossFromContinuingOperationsBeforeIncomeTax_0CD300F4F4709C56BFBC6F11D8B536C9" xlink:type="locator"/>
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<link:label id="lab_cna_IncomeTaxExpenseBenefitOnOperatingIncomeLoss_188052BCDF09B772AF156F11D8B52FA2_negatedTerseLabel_en-US" xlink:label="lab_cna_IncomeTaxExpenseBenefitOnOperatingIncomeLoss_188052BCDF09B772AF156F11D8B52FA2" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Income tax (expense) benefit on operating income (loss) </link:label>
<link:label id="lab_cna_IncomeTaxExpenseBenefitOnOperatingIncomeLoss_188052BCDF09B772AF156F11D8B52FA2_label_en-US" xlink:label="lab_cna_IncomeTaxExpenseBenefitOnOperatingIncomeLoss_188052BCDF09B772AF156F11D8B52FA2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Expense (Benefit) on Operating Income (Loss) </link:label>
<link:label id="lab_cna_IncomeTaxExpenseBenefitOnOperatingIncomeLoss_188052BCDF09B772AF156F11D8B52FA2_documentation_en-US" xlink:label="lab_cna_IncomeTaxExpenseBenefitOnOperatingIncomeLoss_188052BCDF09B772AF156F11D8B52FA2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Income Tax Expense (Benefit) on Operating Income (Loss) </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_IncomeTaxExpenseBenefitOnOperatingIncomeLoss" xlink:label="loc_cna_IncomeTaxExpenseBenefitOnOperatingIncomeLoss_188052BCDF09B772AF156F11D8B52FA2" xlink:type="locator"/>
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<link:label id="lab_cna_NetOperatingIncomeLossFromContinuingOperationsAttributableToParent_022718B75564715C13FB6F11D8B5B525_totalLabel_en-US" xlink:label="lab_cna_NetOperatingIncomeLossFromContinuingOperationsAttributableToParent_022718B75564715C13FB6F11D8B5B525" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net operating income (loss) </link:label>
<link:label id="lab_cna_NetOperatingIncomeLossFromContinuingOperationsAttributableToParent_022718B75564715C13FB6F11D8B5B525_label_en-US" xlink:label="lab_cna_NetOperatingIncomeLossFromContinuingOperationsAttributableToParent_022718B75564715C13FB6F11D8B5B525" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Operating Income (Loss) from Continuing Operations Attributable to Parent </link:label>
<link:label id="lab_cna_NetOperatingIncomeLossFromContinuingOperationsAttributableToParent_022718B75564715C13FB6F11D8B5B525_documentation_en-US" xlink:label="lab_cna_NetOperatingIncomeLossFromContinuingOperationsAttributableToParent_022718B75564715C13FB6F11D8B5B525" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Net Operating Income (Loss) from Continuing Operations Attributable to Parent </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_NetOperatingIncomeLossFromContinuingOperationsAttributableToParent" xlink:label="loc_cna_NetOperatingIncomeLossFromContinuingOperationsAttributableToParent_022718B75564715C13FB6F11D8B5B525" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet_36E11A23E8B2FC3BEFBF6F11D8B5DCC5_verboseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet_36E11A23E8B2FC3BEFBF6F11D8B5DCC5" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Net realized investment gains (losses), pre-tax </link:label>
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<link:label id="lab_cna_IncomeTaxExpenseBenefitOnNetRealizedInvestmentGainsLosses_597BB7F65042E61F27A16F11D8B598FC_negatedTerseLabel_en-US" xlink:label="lab_cna_IncomeTaxExpenseBenefitOnNetRealizedInvestmentGainsLosses_597BB7F65042E61F27A16F11D8B598FC" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Income tax (expense) benefit on net realized investment gains (losses) </link:label>
<link:label id="lab_cna_IncomeTaxExpenseBenefitOnNetRealizedInvestmentGainsLosses_597BB7F65042E61F27A16F11D8B598FC_label_en-US" xlink:label="lab_cna_IncomeTaxExpenseBenefitOnNetRealizedInvestmentGainsLosses_597BB7F65042E61F27A16F11D8B598FC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Expense (Benefit) on Net Realized Investment Gains Losses </link:label>
<link:label id="lab_cna_IncomeTaxExpenseBenefitOnNetRealizedInvestmentGainsLosses_597BB7F65042E61F27A16F11D8B598FC_documentation_en-US" xlink:label="lab_cna_IncomeTaxExpenseBenefitOnNetRealizedInvestmentGainsLosses_597BB7F65042E61F27A16F11D8B598FC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Income Tax Expense (Benefit) on Net Realized Investment Gains Losses </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_IncomeTaxExpenseBenefitOnNetRealizedInvestmentGainsLosses" xlink:label="loc_cna_IncomeTaxExpenseBenefitOnNetRealizedInvestmentGainsLosses_597BB7F65042E61F27A16F11D8B598FC" xlink:type="locator"/>
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<link:label id="lab_cna_NetRealizedInvestmentGainsLosses_A9FB3646C3013B0BB39C6F11D8B54ABE_totalLabel_en-US" xlink:label="lab_cna_NetRealizedInvestmentGainsLosses_A9FB3646C3013B0BB39C6F11D8B54ABE" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net realized investment gains (losses), after tax </link:label>
<link:label id="lab_cna_NetRealizedInvestmentGainsLosses_A9FB3646C3013B0BB39C6F11D8B54ABE_label_en-US" xlink:label="lab_cna_NetRealizedInvestmentGainsLosses_A9FB3646C3013B0BB39C6F11D8B54ABE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net realized investment gains (losses) </link:label>
<link:label id="lab_cna_NetRealizedInvestmentGainsLosses_A9FB3646C3013B0BB39C6F11D8B54ABE_documentation_en-US" xlink:label="lab_cna_NetRealizedInvestmentGainsLosses_A9FB3646C3013B0BB39C6F11D8B54ABE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Net realized investment gains (losses) </link:label>
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<link:label id="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_5CBFA30EFAA55DD87DD2F57B83B4F682_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_5CBFA30EFAA55DD87DD2F57B83B4F682" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] </link:label>
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<link:label id="lab_us-gaap_DebtSecuritiesMember_F5A798452879C7232C66F57B83B4E147_terseLabel_en-US" xlink:label="lab_us-gaap_DebtSecuritiesMember_F5A798452879C7232C66F57B83B4E147" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fixed maturity securities [Member] </link:label>
<link:label id="lab_us-gaap_DebtSecuritiesMember_F5A798452879C7232C66F57B83B4E147_label_en-US" xlink:label="lab_us-gaap_DebtSecuritiesMember_F5A798452879C7232C66F57B83B4E147" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Securities [Member] </link:label>
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<link:label id="lab_cna_SeparateAccountBusinessMember_BA59FBFBBA0D25EE6B05F57B83B46382_terseLabel_en-US" xlink:label="lab_cna_SeparateAccountBusinessMember_BA59FBFBBA0D25EE6B05F57B83B46382" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Separate account business [Member] </link:label>
<link:label id="lab_cna_SeparateAccountBusinessMember_BA59FBFBBA0D25EE6B05F57B83B46382_label_en-US" xlink:label="lab_cna_SeparateAccountBusinessMember_BA59FBFBBA0D25EE6B05F57B83B46382" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Separate account business [Member] </link:label>
<link:label id="lab_cna_SeparateAccountBusinessMember_BA59FBFBBA0D25EE6B05F57B83B46382_documentation_en-US" xlink:label="lab_cna_SeparateAccountBusinessMember_BA59FBFBBA0D25EE6B05F57B83B46382" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The fair value of the assets held by the entity for the benefit of separate account policyholders. </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_SeparateAccountBusinessMember" xlink:label="loc_cna_SeparateAccountBusinessMember_BA59FBFBBA0D25EE6B05F57B83B46382" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_F9CA6E12E46FACD68930F57B83B4EC9F_label_en-US" xlink:label="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_F9CA6E12E46FACD68930F57B83B4EC9F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_F9CA6E12E46FACD68930F57B83B4EC9F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_F9CA6E12E46FACD68930F57B83B4EC9F" xlink:to="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_F9CA6E12E46FACD68930F57B83B4EC9F" xlink:type="arc"/>
<link:label id="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_F269089EE3F34C54D0EBF57B83B48C33_label_en-US" xlink:label="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_F269089EE3F34C54D0EBF57B83B48C33" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_F269089EE3F34C54D0EBF57B83B48C33" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_69A0FA9C195F7F6F6274F57B83B45395_periodStartLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_69A0FA9C195F7F6F6274F57B83B45395" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Balance, Beginning, Assets </link:label>
<link:label id="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_69A0FA9C195F7F6F6274F57B83B45395_label_en-US" xlink:label="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_69A0FA9C195F7F6F6274F57B83B45395" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_69A0FA9C195F7F6F6274F57B83B45395" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_69A0FA9C195F7F6F6274F57B83B45395" xlink:to="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_69A0FA9C195F7F6F6274F57B83B45395" xlink:type="arc"/>
<link:label id="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_795051DCC59E769AA526F57B83B45958_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_795051DCC59E769AA526F57B83B45958" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net realized investment gains (losses) and net change in unrealized appreciation (depreciation) included in net income (loss) </link:label>
<link:label id="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_795051DCC59E769AA526F57B83B45958_label_en-US" xlink:label="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_795051DCC59E769AA526F57B83B45958" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_795051DCC59E769AA526F57B83B45958" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss_D55A5030F14DF12DA43FF57B83B4D6F4_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss_D55A5030F14DF12DA43FF57B83B4D6F4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net change in unrealized appreciation (depreciation) included in other comprehensive income (loss) </link:label>
<link:label id="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss_D55A5030F14DF12DA43FF57B83B4D6F4_label_en-US" xlink:label="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss_D55A5030F14DF12DA43FF57B83B4D6F4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss_D55A5030F14DF12DA43FF57B83B4D6F4" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_E5607D38F29E28D9F173F57B83B4FC81_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_E5607D38F29E28D9F173F57B83B4FC81" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Purchases </link:label>
<link:label id="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_E5607D38F29E28D9F173F57B83B4FC81_label_en-US" xlink:label="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_E5607D38F29E28D9F173F57B83B4FC81" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_E5607D38F29E28D9F173F57B83B4FC81" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_C289F266523E8FAFCFD6F57B83B4F0C1_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_C289F266523E8FAFCFD6F57B83B4F0C1" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Sales </link:label>
<link:label id="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_C289F266523E8FAFCFD6F57B83B4F0C1_label_en-US" xlink:label="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_C289F266523E8FAFCFD6F57B83B4F0C1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_C289F266523E8FAFCFD6F57B83B4F0C1" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_E6402646421C765E85C0F57B83B4A741_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_E6402646421C765E85C0F57B83B4A741" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Settlements </link:label>
<link:label id="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_E6402646421C765E85C0F57B83B4A741_label_en-US" xlink:label="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_E6402646421C765E85C0F57B83B4A741" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_E6402646421C765E85C0F57B83B4A741" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3_6584C5A72592C911D0DEF57B83B46CB1_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3_6584C5A72592C911D0DEF57B83B46CB1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Transfers into Level 3 </link:label>
<link:label id="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3_6584C5A72592C911D0DEF57B83B46CB1_label_en-US" xlink:label="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3_6584C5A72592C911D0DEF57B83B46CB1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 </link:label>
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<link:label id="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3_16AA219247DB827E76F6F57B83B48B99_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3_16AA219247DB827E76F6F57B83B48B99" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Transfers out of Level 3 </link:label>
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<link:label id="lab_cna_MarketableSecuritiesFixedMaturitiesAtAmortizedCost_257230029B3DF49F6E1FF552493A8161_terseLabel_en-US" xlink:label="lab_cna_MarketableSecuritiesFixedMaturitiesAtAmortizedCost_257230029B3DF49F6E1FF552493A8161" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fixed maturities securities at amortized cost </link:label>
<link:label id="lab_cna_MarketableSecuritiesFixedMaturitiesAtAmortizedCost_257230029B3DF49F6E1FF552493A8161_label_en-US" xlink:label="lab_cna_MarketableSecuritiesFixedMaturitiesAtAmortizedCost_257230029B3DF49F6E1FF552493A8161" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Marketable securities, fixed maturities, at amortized cost </link:label>
<link:label id="lab_cna_MarketableSecuritiesFixedMaturitiesAtAmortizedCost_257230029B3DF49F6E1FF552493A8161_documentation_en-US" xlink:label="lab_cna_MarketableSecuritiesFixedMaturitiesAtAmortizedCost_257230029B3DF49F6E1FF552493A8161" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Marketable securities, fixed maturities, at amortized cost </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_MarketableSecuritiesFixedMaturitiesAtAmortizedCost" xlink:label="loc_cna_MarketableSecuritiesFixedMaturitiesAtAmortizedCost_257230029B3DF49F6E1FF552493A8161" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis_212975DD64F07595DAF6F552493ACFE1_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis_212975DD64F07595DAF6F552493ACFE1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity securities at cost </link:label>
<link:label id="lab_us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis_212975DD64F07595DAF6F552493ACFE1_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis_212975DD64F07595DAF6F552493ACFE1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Available-for-sale Equity Securities, Amortized Cost Basis </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis" xlink:label="loc_us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis_212975DD64F07595DAF6F552493ACFE1" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ReinsuranceRecoverablesAllowance_3D772A42DCB554355B70F552493A1D34_terseLabel_en-US" xlink:label="lab_us-gaap_ReinsuranceRecoverablesAllowance_3D772A42DCB554355B70F552493A1D34" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Reinsurance Recoverables, Allowance </link:label>
<link:label id="lab_us-gaap_ReinsuranceRecoverablesAllowance_3D772A42DCB554355B70F552493A1D34_label_en-US" xlink:label="lab_us-gaap_ReinsuranceRecoverablesAllowance_3D772A42DCB554355B70F552493A1D34" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Reinsurance Recoverables, Allowance </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ReinsuranceRecoverablesAllowance" xlink:label="loc_us-gaap_ReinsuranceRecoverablesAllowance_3D772A42DCB554355B70F552493A1D34" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PremiumsReceivableAllowanceForDoubtfulAccounts_DA7BBEC92740F9FB1F51F552493A9BA4_terseLabel_en-US" xlink:label="lab_us-gaap_PremiumsReceivableAllowanceForDoubtfulAccounts_DA7BBEC92740F9FB1F51F552493A9BA4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Premiums Receivable, Allowance for Doubtful Accounts </link:label>
<link:label id="lab_us-gaap_PremiumsReceivableAllowanceForDoubtfulAccounts_DA7BBEC92740F9FB1F51F552493A9BA4_label_en-US" xlink:label="lab_us-gaap_PremiumsReceivableAllowanceForDoubtfulAccounts_DA7BBEC92740F9FB1F51F552493A9BA4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Premiums Receivable, Allowance for Doubtful Accounts </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PremiumsReceivableAllowanceForDoubtfulAccounts" xlink:label="loc_us-gaap_PremiumsReceivableAllowanceForDoubtfulAccounts_DA7BBEC92740F9FB1F51F552493A9BA4" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_934930BDB1C90F570EA6F552493AF131_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_934930BDB1C90F570EA6F552493AF131" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated depreciation on property and equipment </link:label>
<link:label id="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_934930BDB1C90F570EA6F552493AF131_label_en-US" xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_934930BDB1C90F570EA6F552493AF131" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_934930BDB1C90F570EA6F552493AF131" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DueToRelatedPartiesCurrentAndNoncurrent_0819EAC1DFE8ABF80FC5F552493A9DD6_terseLabel_en-US" xlink:label="lab_us-gaap_DueToRelatedPartiesCurrentAndNoncurrent_0819EAC1DFE8ABF80FC5F552493A9DD6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Due to Related Parties </link:label>
<link:label id="lab_us-gaap_DueToRelatedPartiesCurrentAndNoncurrent_0819EAC1DFE8ABF80FC5F552493A9DD6_label_en-US" xlink:label="lab_us-gaap_DueToRelatedPartiesCurrentAndNoncurrent_0819EAC1DFE8ABF80FC5F552493A9DD6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Due to Related Parties </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DueToRelatedPartiesCurrentAndNoncurrent" xlink:label="loc_us-gaap_DueToRelatedPartiesCurrentAndNoncurrent_0819EAC1DFE8ABF80FC5F552493A9DD6" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CommonStockParOrStatedValuePerShare_A0CC903BB62AC7747153F552493A6590_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare_A0CC903BB62AC7747153F552493A6590" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, par value </link:label>
<link:label id="lab_us-gaap_CommonStockParOrStatedValuePerShare_A0CC903BB62AC7747153F552493A6590_label_en-US" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare_A0CC903BB62AC7747153F552493A6590" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Par or Stated Value Per Share </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_A0CC903BB62AC7747153F552493A6590" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CommonStockSharesAuthorized_FF553EB2B57FFF5AB66DF552493A88C9_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized_FF553EB2B57FFF5AB66DF552493A88C9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, shares authorized </link:label>
<link:label id="lab_us-gaap_CommonStockSharesAuthorized_FF553EB2B57FFF5AB66DF552493A88C9_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized_FF553EB2B57FFF5AB66DF552493A88C9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Shares Authorized </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_FF553EB2B57FFF5AB66DF552493A88C9" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CommonStockSharesIssued_7CD1F0E9ED4F0DD6A70FF552493A58A7_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesIssued_7CD1F0E9ED4F0DD6A70FF552493A58A7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, shares issued </link:label>
<link:label id="lab_us-gaap_CommonStockSharesIssued_7CD1F0E9ED4F0DD6A70FF552493A58A7_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesIssued_7CD1F0E9ED4F0DD6A70FF552493A58A7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Shares, Issued </link:label>
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<link:label id="lab_us-gaap_CommonStockSharesOutstanding_A184CE2530887CB51901F552493A9FAD_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding_A184CE2530887CB51901F552493A9FAD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, shares outstanding </link:label>
<link:label id="lab_us-gaap_CommonStockSharesOutstanding_A184CE2530887CB51901F552493A9FAD_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding_A184CE2530887CB51901F552493A9FAD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Shares, Outstanding </link:label>
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<link:label id="lab_us-gaap_TreasuryStockShares_85EB79B393D2BDA0B803F552493A7288_terseLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockShares_85EB79B393D2BDA0B803F552493A7288" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Treasury stock, shares </link:label>
<link:label id="lab_us-gaap_TreasuryStockShares_85EB79B393D2BDA0B803F552493A7288_label_en-US" xlink:label="lab_us-gaap_TreasuryStockShares_85EB79B393D2BDA0B803F552493A7288" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Treasury Stock, Shares </link:label>
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<link:label id="lab_us-gaap_DerivativeMember_73A78ECA28B33FE47A411CAEDA3F55A3_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeMember_73A78ECA28B33FE47A411CAEDA3F55A3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivative [Member] </link:label>
<link:label id="lab_us-gaap_DerivativeMember_73A78ECA28B33FE47A411CAEDA3F55A3_label_en-US" xlink:label="lab_us-gaap_DerivativeMember_73A78ECA28B33FE47A411CAEDA3F55A3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative [Member] </link:label>
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<link:label id="lab_cna_ShorttermInvestandotherMember_10F1BEE652488C26916F1CAEDA3F3948_terseLabel_en-US" xlink:label="lab_cna_ShorttermInvestandotherMember_10F1BEE652488C26916F1CAEDA3F3948" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Short term investments and other [Member] </link:label>
<link:label id="lab_cna_ShorttermInvestandotherMember_10F1BEE652488C26916F1CAEDA3F3948_label_en-US" xlink:label="lab_cna_ShorttermInvestandotherMember_10F1BEE652488C26916F1CAEDA3F3948" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Short term Invest and other [Member] </link:label>
<link:label id="lab_cna_ShorttermInvestandotherMember_10F1BEE652488C26916F1CAEDA3F3948_documentation_en-US" xlink:label="lab_cna_ShorttermInvestandotherMember_10F1BEE652488C26916F1CAEDA3F3948" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Short term investments and other </link:label>
<link:loc xlink:href="cna-20150630.xsd#cna_ShorttermInvestandotherMember" xlink:label="loc_cna_ShorttermInvestandotherMember_10F1BEE652488C26916F1CAEDA3F3948" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AvailableForSaleSecuritiesGrossRealizedGains_1275D2E71C189A22BAE31CAEDA3F353E_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesGrossRealizedGains_1275D2E71C189A22BAE31CAEDA3F353E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Gross realized gains </link:label>
<link:label id="lab_us-gaap_AvailableForSaleSecuritiesGrossRealizedGains_1275D2E71C189A22BAE31CAEDA3F353E_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesGrossRealizedGains_1275D2E71C189A22BAE31CAEDA3F353E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Available-for-sale Securities, Gross Realized Gains </link:label>
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4 Subsequent Filings that Reference this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 2/06/24  CNA Financial Corp.               10-K       12/31/23  182:35M
 2/07/23  CNA Financial Corp.               10-K       12/31/22  163:35M
 2/08/22  CNA Financial Corp.               10-K       12/31/21  163:34M
 2/09/21  CNA Financial Corp.               10-K       12/31/20  165:34M
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