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Comcast Corp. – ‘10-K’ for 12/31/23 – ‘EX-101.SCH’

On:  Wednesday, 1/31/24, at 3:42pm ET   ·   For:  12/31/23   ·   Accession #:  1166691-24-11   ·   File #:  1-32871

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

 1/31/24  Comcast Corp.                     10-K       12/31/23  111:15M

Annual Report   —   Form 10-K   —   SEA’34

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report                                       HTML   2.91M 
 2: EX-3.1 1    Articles of Incorporation/Organization or Bylaws    HTML     30K 
 3: EX-4.15     Instrument Defining the Rights of Security Holders  HTML    369K 
 5: EX-10.23    Material Contract                                   HTML     90K 
 6: EX-10.24    Material Contract                                   HTML     84K 
 7: EX-10.28    Material Contract                                   HTML     40K 
 4: EX-10.7     Material Contract                                   HTML    243K 
 8: EX-21       Subsidiaries List                                   HTML    978K 
 9: EX-22       Published Report re: Matters Submitted to a Vote    HTML     31K 
                of Security Holders                                              
10: EX-23       Consent of Expert or Counsel                        HTML     29K 
13: EX-97       Clawback Policy re: Recovery of Erroneously         HTML     34K 
                Awarded Compensation                                             
11: EX-31       Certification -- §302 - SOA'02                      HTML     37K 
12: EX-32       Certification -- §906 - SOA'02                      HTML     30K 
19: R1          Cover                                               HTML    125K 
20: R2          Audit Information                                   HTML     34K 
21: R3          Consolidated Statement of Income                    HTML    114K 
22: R4          Consolidated Statement of Comprehensive Income      HTML     74K 
23: R5          Consolidated Statement of Comprehensive Income      HTML     40K 
                (Parenthetical)                                                  
24: R6          Consolidated Statement of Cash Flows                HTML    118K 
25: R7          Consolidated Balance Sheet                          HTML    166K 
26: R8          Consolidated Balance Sheet (Parenthetical)          HTML     49K 
27: R9          Consolidated Statement of Changes in Equity         HTML    106K 
28: R10         Summary of Significant Accounting Policies          HTML     44K 
29: R11         Segment Information                                 HTML    118K 
30: R12         Revenue                                             HTML    139K 
31: R13         Programming and Production Costs                    HTML     75K 
32: R14         Income Taxes                                        HTML    130K 
33: R15         Long-Term Debt                                      HTML     75K 
34: R16         Significant Transactions                            HTML     32K 
35: R17         Investments and Variable Interest Entities          HTML     74K 
36: R18         Property and Equipment                              HTML     57K 
37: R19         Goodwill and Intangible Assets                      HTML    152K 
38: R20         Employee Benefit Plans                              HTML     44K 
39: R21         Equity                                              HTML     74K 
40: R22         Share-Based Compensation                            HTML     60K 
41: R23         Supplemental Financial Information                  HTML     48K 
42: R24         Commitments and Contingencies                       HTML     51K 
43: R25         Summary of Significant Accounting Policies          HTML    143K 
                (Policies)                                                       
44: R26         Segment Information (Tables)                        HTML    114K 
45: R27         Revenue (Tables)                                    HTML    124K 
46: R28         Programming and Production Costs (Tables)           HTML     69K 
47: R29         Income Taxes (Tables)                               HTML    132K 
48: R30         Long-Term Debt (Tables)                             HTML     63K 
49: R31         Investments and Variable Interest Entities          HTML     53K 
                (Tables)                                                         
50: R32         Property and Equipment (Tables)                     HTML     55K 
51: R33         Goodwill and Intangible Assets (Tables)             HTML    149K 
52: R34         Employee Benefit Plans (Tables)                     HTML     36K 
53: R35         Equity (Tables)                                     HTML     70K 
54: R36         Share-Based Compensation (Tables)                   HTML     61K 
55: R37         Supplemental Financial Information (Tables)         HTML     45K 
56: R38         Commitments and Contingencies (Tables)              HTML     47K 
57: R39         Segment Information - Narrative (Details)           HTML     36K 
58: R40         Segment Information - Reportable Segment (Details)  HTML     74K 
59: R41         Segment Information - Intersegment Eliminations     HTML     58K 
                (Details)                                                        
60: R42         Segment Information - Reconciliation of Adjusted    HTML     51K 
                EBITDA from Segment to Consolidated Statements                   
                (Details)                                                        
61: R43         Revenue - Disaggregation of Revenue (Details)       HTML    100K 
62: R44         Revenue - Revenue by Geographic Location (Details)  HTML     46K 
63: R45         Revenue - Narrative (Details)                       HTML     81K 
64: R46         Revenue - Condensed Consolidated Balance Sheet      HTML     37K 
                (Details)                                                        
65: R47         Revenue - Changes in the Allowance for Doubtful     HTML     37K 
                Accounts (Details)                                               
66: R48         Revenue - Deferred Costs Associated With Our        HTML     38K 
                Contracts With Customers (Details)                               
67: R49         Revenue - Receivables Not Yet Billed (Details)      HTML     42K 
68: R50         Programming and Production Costs - Programming and  HTML     45K 
                Production Expense (Details)                                     
69: R51         Programming and Production Costs - Capitalized      HTML     41K 
                Film and Television Costs (Details)                              
70: R52         Programming and Production Costs - Narrative        HTML     54K 
                (Details)                                                        
71: R53         Programming and Production Costs - Estimated        HTML     47K 
                Future Amortization Expense for Capitalized Film                 
                and Television Costs (Details)                                   
72: R54         Income Taxes - Income Before Income Taxes           HTML     39K 
                (Details)                                                        
73: R55         Income Taxes - Components of Income Tax Expense     HTML     57K 
                (Details)                                                        
74: R56         Income Taxes - Federal Statutory (Details)          HTML     54K 
75: R57         Income Taxes - Components of Net Deferred Tax       HTML     54K 
                Liability (Details)                                              
76: R58         Income Taxes - Changes in the Valuation Allowance   HTML     36K 
                for Deferred Tax Assets (Details)                                
77: R59         Income Taxes - Narrative (Details)                  HTML     38K 
78: R60         Income Taxes - Reconciliation of Unrecognized Tax   HTML     43K 
                Benefits (Details)                                               
79: R61         Long-Term Debt - Schedule of Debt Outstanding       HTML     75K 
                (Details)                                                        
80: R62         Long-Term Debt - Narrative (Details)                HTML     96K 
81: R63         Long-Term Debt - Debt Maturities (Details)          HTML     46K 
82: R64         Significant Transactions (Details)                  HTML     38K 
83: R65         Investments and Variable Interest Entities -        HTML     39K 
                Investment and Other Income (Loss), Net (Details)                
84: R66         Investments and Variable Interest Entities -        HTML    137K 
                Narrative (Details)                                              
85: R67         Investments and Variable Interest Entities -        HTML     45K 
                Schedule of Investments (Details)                                
86: R68         Property and Equipment (Details)                    HTML     58K 
87: R69         Goodwill and Intangible Assets - Change in          HTML     87K 
                Goodwill (Details)                                               
88: R70         Goodwill and Intangible Assets - Intangible Assets  HTML     54K 
                (Details)                                                        
89: R71         Goodwill and Intangible Assets - Narrative          HTML     45K 
                (Details)                                                        
90: R72         Goodwill and Intangible Assets - Amortization of    HTML     40K 
                Intangible Assets (Details)                                      
91: R73         Employee Benefit Plans - Deferred Compensation      HTML     34K 
                Plans (Details)                                                  
92: R74         Employee Benefit Plans - Narrative (Details)        HTML     33K 
93: R75         Equity - Narrative (Details)                        HTML     41K 
94: R76         Equity - Changes in Common Stock (Details)          HTML     48K 
95: R77         Equity - Weighted Average Common Shares             HTML     40K 
                Outstanding (Details)                                            
96: R78         Equity - Components of Accumulated Other            HTML     55K 
                Comprehensive Income (Loss) (Details)                            
97: R79         Share-Based Compensation - Recognized Share-Based   HTML     31K 
                Compensation Expense (Details)                                   
98: R80         Share-Based Compensation - Narrative (Details)      HTML     51K 
99: R81         Share-Based Compensation - Stock Options and        HTML     56K 
                Restricted Share Units (Details)                                 
100: R82         Share-Based Compensation - Restricted Share Units   HTML     56K  
                and Stock Option Fair Value (Details)                            
101: R83         Supplemental Financial Information - Cash Payments  HTML     34K  
                for Interest and Income Taxes (Details)                          
102: R84         Supplemental Financial Information - Noncash        HTML     37K  
                Investing and Financing Activities (Details)                     
103: R85         Supplemental Financial Information - Cash, Cash     HTML     38K  
                Equivalents and Restricted Cash (Details)                        
104: R86         Commitments and Contingencies (Narrative)           HTML     46K  
                (Details)                                                        
105: R87         Commitments and Contingencies - Summary of          HTML     42K  
                Operating Lease Assets and Liabilities Recorded in               
                the Consolidated Balance Sheets (Details)                        
106: R88         Commitments and Contingencies - Summary of Future   HTML     48K  
                Minimum Rental Commitments for Operating Leases                  
                (Details)                                                        
108: XML         IDEA XML File -- Filing Summary                      XML    194K  
111: XML         XBRL Instance -- cmcsa-20231231_htm                  XML   2.77M  
107: EXCEL       IDEA Workbook of Financial Report Info              XLSX    207K  
15: EX-101.CAL  XBRL Calculations -- cmcsa-20231231_cal              XML    274K 
16: EX-101.DEF  XBRL Definitions -- cmcsa-20231231_def               XML    853K 
17: EX-101.LAB  XBRL Labels -- cmcsa-20231231_lab                    XML   2.14M 
18: EX-101.PRE  XBRL Presentations -- cmcsa-20231231_pre             XML   1.28M 
14: EX-101.SCH  XBRL Schema -- cmcsa-20231231                        XSD    251K 
109: JSON        XBRL Instance as JSON Data -- MetaLinks              612±   916K  
110: ZIP         XBRL Zipped Folder -- 0001166691-24-000011-xbrl      Zip   1.23M  


‘EX-101.SCH’   —   XBRL Schema — cmcsa-20231231


This Exhibit is an XBRL File.


                                                                                                                                                                                
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<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="PropertyandEquipmentTables" roleURI="http://www.comcast.com/role/PropertyandEquipmentTables">
<link:definition> 9954478 - Disclosure - Property and Equipment (Tables) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="GoodwillandIntangibleAssetsTables" roleURI="http://www.comcast.com/role/GoodwillandIntangibleAssetsTables">
<link:definition> 9954479 - Disclosure - Goodwill and Intangible Assets (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="EmployeeBenefitPlansTables" roleURI="http://www.comcast.com/role/EmployeeBenefitPlansTables">
<link:definition> 9954480 - Disclosure - Employee Benefit Plans (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="EquityTables" roleURI="http://www.comcast.com/role/EquityTables">
<link:definition> 9954481 - Disclosure - Equity (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="ShareBasedCompensationTables" roleURI="http://www.comcast.com/role/ShareBasedCompensationTables">
<link:definition> 9954482 - Disclosure - Share-Based Compensation (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SupplementalFinancialInformationTables" roleURI="http://www.comcast.com/role/SupplementalFinancialInformationTables">
<link:definition> 9954483 - Disclosure - Supplemental Financial Information (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="CommitmentsandContingenciesTables" roleURI="http://www.comcast.com/role/CommitmentsandContingenciesTables">
<link:definition> 9954484 - Disclosure - Commitments and Contingencies (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SegmentInformationNarrativeDetails" roleURI="http://www.comcast.com/role/SegmentInformationNarrativeDetails">
<link:definition> 9954485 - Disclosure - Segment Information - Narrative (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SegmentInformationReportableSegmentDetails" roleURI="http://www.comcast.com/role/SegmentInformationReportableSegmentDetails">
<link:definition> 9954486 - Disclosure - Segment Information - Reportable Segment (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SegmentInformationIntersegmentEliminationsDetails" roleURI="http://www.comcast.com/role/SegmentInformationIntersegmentEliminationsDetails">
<link:definition> 9954487 - Disclosure - Segment Information - Intersegment Eliminations (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SegmentInformationReconciliationofAdjustedEBITDAfromSegmenttoConsolidatedStatementsDetails" roleURI="http://www.comcast.com/role/SegmentInformationReconciliationofAdjustedEBITDAfromSegmenttoConsolidatedStatementsDetails">
<link:definition> 9954488 - Disclosure - Segment Information - Reconciliation of Adjusted EBITDA from Segment to Consolidated Statements (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RevenueDisaggregationofRevenueDetails" roleURI="http://www.comcast.com/role/RevenueDisaggregationofRevenueDetails">
<link:definition> 9954489 - Disclosure - Revenue - Disaggregation of Revenue (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RevenueRevenuebyGeographicLocationDetails" roleURI="http://www.comcast.com/role/RevenueRevenuebyGeographicLocationDetails">
<link:definition> 9954490 - Disclosure - Revenue - Revenue by Geographic Location (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RevenueNarrativeDetails" roleURI="http://www.comcast.com/role/RevenueNarrativeDetails">
<link:definition> 9954491 - Disclosure - Revenue - Narrative (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RevenueNarrativeDetails_1" roleURI="http://www.comcast.com/role/RevenueNarrativeDetails_1">
<link:definition> 9954491 - Disclosure - Revenue - Narrative (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RevenueCondensedConsolidatedBalanceSheetDetails" roleURI="http://www.comcast.com/role/RevenueCondensedConsolidatedBalanceSheetDetails">
<link:definition> 9954492 - Disclosure - Revenue - Condensed Consolidated Balance Sheet (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RevenueChangesintheAllowanceforDoubtfulAccountsDetails" roleURI="http://www.comcast.com/role/RevenueChangesintheAllowanceforDoubtfulAccountsDetails">
<link:definition> 9954493 - Disclosure - Revenue - Changes in the Allowance for Doubtful Accounts (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="RevenueDeferredCostsAssociatedWithOurContractsWithCustomersDetails" roleURI="http://www.comcast.com/role/RevenueDeferredCostsAssociatedWithOurContractsWithCustomersDetails">
<link:definition> 9954494 - Disclosure - Revenue - Deferred Costs Associated With Our Contracts With Customers (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RevenueReceivablesNotYetBilledDetails" roleURI="http://www.comcast.com/role/RevenueReceivablesNotYetBilledDetails">
<link:definition> 9954495 - Disclosure - Revenue - Receivables Not Yet Billed (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="ProgrammingandProductionCostsProgrammingandProductionExpenseDetails" roleURI="http://www.comcast.com/role/ProgrammingandProductionCostsProgrammingandProductionExpenseDetails">
<link:definition> 9954496 - Disclosure - Programming and Production Costs - Programming and Production Expense (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
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<link:definition> 9954497 - Disclosure - Programming and Production Costs - Capitalized Film and Television Costs (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="ProgrammingandProductionCostsNarrativeDetails" roleURI="http://www.comcast.com/role/ProgrammingandProductionCostsNarrativeDetails">
<link:definition> 9954498 - Disclosure - Programming and Production Costs - Narrative (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="ProgrammingandProductionCostsEstimatedFutureAmortizationExpenseforCapitalizedFilmandTelevisionCostsDetails" roleURI="http://www.comcast.com/role/ProgrammingandProductionCostsEstimatedFutureAmortizationExpenseforCapitalizedFilmandTelevisionCostsDetails">
<link:definition> 9954499 - Disclosure - Programming and Production Costs - Estimated Future Amortization Expense for Capitalized Film and Television Costs (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="IncomeTaxesIncomeBeforeIncomeTaxesDetails" roleURI="http://www.comcast.com/role/IncomeTaxesIncomeBeforeIncomeTaxesDetails">
<link:definition> 9954500 - Disclosure - Income Taxes - Income Before Income Taxes (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="IncomeTaxesComponentsofIncomeTaxExpenseDetails" roleURI="http://www.comcast.com/role/IncomeTaxesComponentsofIncomeTaxExpenseDetails">
<link:definition> 9954501 - Disclosure - Income Taxes - Components of Income Tax Expense (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="IncomeTaxesFederalStatutoryDetails" roleURI="http://www.comcast.com/role/IncomeTaxesFederalStatutoryDetails">
<link:definition> 9954502 - Disclosure - Income Taxes - Federal Statutory (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="IncomeTaxesComponentsofNetDeferredTaxLiabilityDetails" roleURI="http://www.comcast.com/role/IncomeTaxesComponentsofNetDeferredTaxLiabilityDetails">
<link:definition> 9954503 - Disclosure - Income Taxes - Components of Net Deferred Tax Liability (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="IncomeTaxesChangesintheValuationAllowanceforDeferredTaxAssetsDetails" roleURI="http://www.comcast.com/role/IncomeTaxesChangesintheValuationAllowanceforDeferredTaxAssetsDetails">
<link:definition> 9954504 - Disclosure - Income Taxes - Changes in the Valuation Allowance for Deferred Tax Assets (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="IncomeTaxesNarrativeDetails" roleURI="http://www.comcast.com/role/IncomeTaxesNarrativeDetails">
<link:definition> 9954505 - Disclosure - Income Taxes - Narrative (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="IncomeTaxesReconciliationofUnrecognizedTaxBenefitsDetails" roleURI="http://www.comcast.com/role/IncomeTaxesReconciliationofUnrecognizedTaxBenefitsDetails">
<link:definition> 9954506 - Disclosure - Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="LongTermDebtScheduleofDebtOutstandingDetails" roleURI="http://www.comcast.com/role/LongTermDebtScheduleofDebtOutstandingDetails">
<link:definition> 9954507 - Disclosure - Long-Term Debt - Schedule of Debt Outstanding (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="LongTermDebtScheduleofDebtOutstandingDetails_1" roleURI="http://www.comcast.com/role/LongTermDebtScheduleofDebtOutstandingDetails_1">
<link:definition> 9954507 - Disclosure - Long-Term Debt - Schedule of Debt Outstanding (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="LongTermDebtNarrativeDetails" roleURI="http://www.comcast.com/role/LongTermDebtNarrativeDetails">
<link:definition> 9954508 - Disclosure - Long-Term Debt - Narrative (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="LongTermDebtDebtMaturitiesDetails" roleURI="http://www.comcast.com/role/LongTermDebtDebtMaturitiesDetails">
<link:definition> 9954509 - Disclosure - Long-Term Debt - Debt Maturities (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SignificantTransactionsDetails" roleURI="http://www.comcast.com/role/SignificantTransactionsDetails">
<link:definition> 9954510 - Disclosure - Significant Transactions (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="InvestmentsandVariableInterestEntitiesInvestmentandOtherIncomeLossNetDetails" roleURI="http://www.comcast.com/role/InvestmentsandVariableInterestEntitiesInvestmentandOtherIncomeLossNetDetails">
<link:definition> 9954511 - Disclosure - Investments and Variable Interest Entities - Investment and Other Income (Loss), Net (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="InvestmentsandVariableInterestEntitiesNarrativeDetails" roleURI="http://www.comcast.com/role/InvestmentsandVariableInterestEntitiesNarrativeDetails">
<link:definition> 9954512 - Disclosure - Investments and Variable Interest Entities - Narrative (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="InvestmentsandVariableInterestEntitiesScheduleofInvestmentsDetails" roleURI="http://www.comcast.com/role/InvestmentsandVariableInterestEntitiesScheduleofInvestmentsDetails">
<link:definition> 9954513 - Disclosure - Investments and Variable Interest Entities - Schedule of Investments (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="InvestmentsandVariableInterestEntitiesScheduleofInvestmentsDetails_1" roleURI="http://www.comcast.com/role/InvestmentsandVariableInterestEntitiesScheduleofInvestmentsDetails_1">
<link:definition> 9954513 - Disclosure - Investments and Variable Interest Entities - Schedule of Investments (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="PropertyandEquipmentDetails" roleURI="http://www.comcast.com/role/PropertyandEquipmentDetails">
<link:definition> 9954514 - Disclosure - Property and Equipment (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="GoodwillandIntangibleAssetsChangeinGoodwillDetails" roleURI="http://www.comcast.com/role/GoodwillandIntangibleAssetsChangeinGoodwillDetails">
<link:definition> 9954515 - Disclosure - Goodwill and Intangible Assets - Change in Goodwill (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="GoodwillandIntangibleAssetsIntangibleAssetsDetails" roleURI="http://www.comcast.com/role/GoodwillandIntangibleAssetsIntangibleAssetsDetails">
<link:definition> 9954516 - Disclosure - Goodwill and Intangible Assets - Intangible Assets (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="GoodwillandIntangibleAssetsNarrativeDetails" roleURI="http://www.comcast.com/role/GoodwillandIntangibleAssetsNarrativeDetails">
<link:definition> 9954517 - Disclosure - Goodwill and Intangible Assets - Narrative (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="GoodwillandIntangibleAssetsAmortizationofIntangibleAssetsDetails" roleURI="http://www.comcast.com/role/GoodwillandIntangibleAssetsAmortizationofIntangibleAssetsDetails">
<link:definition> 9954518 - Disclosure - Goodwill and Intangible Assets - Amortization of Intangible Assets (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="EmployeeBenefitPlansDeferredCompensationPlansDetails" roleURI="http://www.comcast.com/role/EmployeeBenefitPlansDeferredCompensationPlansDetails">
<link:definition> 9954519 - Disclosure - Employee Benefit Plans - Deferred Compensation Plans (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="EmployeeBenefitPlansNarrativeDetails" roleURI="http://www.comcast.com/role/EmployeeBenefitPlansNarrativeDetails">
<link:definition> 9954520 - Disclosure - Employee Benefit Plans - Narrative (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="EquityNarrativeDetails" roleURI="http://www.comcast.com/role/EquityNarrativeDetails">
<link:definition> 9954521 - Disclosure - Equity - Narrative (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="EquityChangesinCommonStockDetails" roleURI="http://www.comcast.com/role/EquityChangesinCommonStockDetails">
<link:definition> 9954522 - Disclosure - Equity - Changes in Common Stock (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="EquityWeightedAverageCommonSharesOutstandingDetails" roleURI="http://www.comcast.com/role/EquityWeightedAverageCommonSharesOutstandingDetails">
<link:definition> 9954523 - Disclosure - Equity - Weighted Average Common Shares Outstanding (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="EquityComponentsofAccumulatedOtherComprehensiveIncomeLossDetails" roleURI="http://www.comcast.com/role/EquityComponentsofAccumulatedOtherComprehensiveIncomeLossDetails">
<link:definition> 9954524 - Disclosure - Equity - Components of Accumulated Other Comprehensive Income (Loss) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="ShareBasedCompensationRecognizedShareBasedCompensationExpenseDetails" roleURI="http://www.comcast.com/role/ShareBasedCompensationRecognizedShareBasedCompensationExpenseDetails">
<link:definition> 9954525 - Disclosure - Share-Based Compensation - Recognized Share-Based Compensation Expense (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="ShareBasedCompensationNarrativeDetails" roleURI="http://www.comcast.com/role/ShareBasedCompensationNarrativeDetails">
<link:definition> 9954526 - Disclosure - Share-Based Compensation - Narrative (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="ShareBasedCompensationStockOptionsandRestrictedShareUnitsDetails" roleURI="http://www.comcast.com/role/ShareBasedCompensationStockOptionsandRestrictedShareUnitsDetails">
<link:definition> 9954527 - Disclosure - Share-Based Compensation - Stock Options and Restricted Share Units (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 9954528 - Disclosure - Share-Based Compensation - Restricted Share Units and Stock Option Fair Value (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="SupplementalFinancialInformationCashPaymentsforInterestandIncomeTaxesDetails" roleURI="http://www.comcast.com/role/SupplementalFinancialInformationCashPaymentsforInterestandIncomeTaxesDetails">
<link:definition> 9954529 - Disclosure - Supplemental Financial Information - Cash Payments for Interest and Income Taxes (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SupplementalFinancialInformationNoncashInvestingandFinancingActivitiesDetails" roleURI="http://www.comcast.com/role/SupplementalFinancialInformationNoncashInvestingandFinancingActivitiesDetails">
<link:definition> 9954530 - Disclosure - Supplemental Financial Information - Noncash Investing and Financing Activities (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 9954531 - Disclosure - Supplemental Financial Information - Cash, Cash Equivalents and Restricted Cash (Details) </link:definition>
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<xs:element id="cmcsa_EffectiveIncomeTaxRateReconciliationAdjustmentsToUncertainAndEffectiveSettledTaxPositionsNetAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationAdjustmentsToUncertainAndEffectiveSettledTaxPositionsNetAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="cmcsa_CollateralizedObligationNoncurrent" abstract="false" name="CollateralizedObligationNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="cmcsa_BuildingsThemeParkInfrastructureAndLeaseholdImprovementsMember" abstract="true" name="BuildingsThemeParkInfrastructureAndLeaseholdImprovementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="cmcsa_VideoMember" abstract="true" name="VideoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="cmcsa_MaturingInFiveYearsOrLessMember" abstract="true" name="MaturingInFiveYearsOrLessMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="cmcsa_EquipmentInstallmentPlanMember" abstract="true" name="EquipmentInstallmentPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="cmcsa_EquityMethodInvestmentAnnualCapitalCallsMaximumAmount" abstract="false" name="EquityMethodInvestmentAnnualCapitalCallsMaximumAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="cmcsa_ExchangeableSubordinatedDebentures2.0PercentDue2029Member" abstract="true" name="ExchangeableSubordinatedDebentures2.0PercentDue2029Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="cmcsa_ProductionTaxIncentivesReceivableMember" abstract="true" name="ProductionTaxIncentivesReceivableMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="cmcsa_FilmAndTelevisionContentAbstract" abstract="true" name="FilmAndTelevisionContentAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
<xs:element id="cmcsa_StockOptionFairValueAndSignificantAssumptionsTableTextBlock" abstract="false" name="StockOptionFairValueAndSignificantAssumptionsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
<xs:element id="cmcsa_Notes0.750percentdue2032Member" abstract="true" name="Notes0.750percentdue2032Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="cmcsa_RevenuePerformanceObligationDescriptionOfTimingEquipmentInstallmentPlanPaymentTerm" abstract="false" name="RevenuePerformanceObligationDescriptionOfTimingEquipmentInstallmentPlanPaymentTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
<xs:element id="cmcsa_Notes1.250percentdue2040Member" abstract="true" name="Notes1.250percentdue2040Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="cmcsa_EquityMethodInvestmentFutureTaxBenefitsShared" abstract="false" name="EquityMethodInvestmentFutureTaxBenefitsShared" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
<xs:element id="cmcsa_RevenuePerformanceObligationDescriptionOfTimingTermOfSalesCommission" abstract="false" name="RevenuePerformanceObligationDescriptionOfTimingTermOfSalesCommission" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
<xs:element id="cmcsa_ShareBasedPaymentArrangementExpenseTaxBenefitExcess" abstract="false" name="ShareBasedPaymentArrangementExpenseTaxBenefitExcess" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="cmcsa_ContributionsFromAndDistributionsToNoncontrollingInterestsAttributableToTemporaryEquity" abstract="false" name="ContributionsFromAndDistributionsToNoncontrollingInterestsAttributableToTemporaryEquity" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="cmcsa_CorporateNonSegmentIntersegmentRevenueMember" abstract="true" name="CorporateNonSegmentIntersegmentRevenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="cmcsa_EquityMethodInvestmentManagementFeeFundingCommitment" abstract="false" name="EquityMethodInvestmentManagementFeeFundingCommitment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="cmcsa_TemporaryEquityRedemptionOfPreferredStock" abstract="false" name="TemporaryEquityRedemptionOfPreferredStock" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="cmcsa_BusinessUnitAxis" abstract="true" name="BusinessUnitAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
<xs:element id="cmcsa_MasergyMember" abstract="true" name="MasergyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="cmcsa_SignificantTransactionsTextBlock" abstract="false" name="SignificantTransactionsTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
<xs:element id="cmcsa_PercentageOfResidualReturns" abstract="false" name="PercentageOfResidualReturns" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
<xs:element id="cmcsa_DeferredCompensationPlansMember" abstract="true" name="DeferredCompensationPlansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="cmcsa_TheatricalMember" abstract="true" name="TheatricalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="cmcsa_ScheduleOfProgrammingAndProductionCostTableTextBlock" abstract="false" name="ScheduleOfProgrammingAndProductionCostTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
<xs:element id="cmcsa_VariableInterestEntityReportingEntityInvolvementUnfundedCapitalCommitment" abstract="false" name="VariableInterestEntityReportingEntityInvolvementUnfundedCapitalCommitment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="cmcsa_OperatingLeaseExpenseInclusiveOfShortTermAndVariableLeaseExpenses" abstract="false" name="OperatingLeaseExpenseInclusiveOfShortTermAndVariableLeaseExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="cmcsa_FinanceReceivableProgramAxis" abstract="true" name="FinanceReceivableProgramAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
<xs:element id="cmcsa_CapitalContributionToVIE" abstract="false" name="CapitalContributionToVIE" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="cmcsa_ChangeInCurrentAndNoncurrentReceivablesNet" abstract="false" name="ChangeInCurrentAndNoncurrentReceivablesNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="cmcsa_EquityMethodInvestmentPercentOfLosses" abstract="false" name="EquityMethodInvestmentPercentOfLosses" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
<xs:element id="cmcsa_CarryingValueOfContractualObligation" abstract="false" name="CarryingValueOfContractualObligation" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="cmcsa_ConnectivityAndPlatformsMember" abstract="true" name="ConnectivityAndPlatformsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="cmcsa_Notes1.500percentDue2029Member" abstract="true" name="Notes1.500percentDue2029Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="cmcsa_ContractualValueOfAPotentialFutureObligation" abstract="false" name="ContractualValueOfAPotentialFutureObligation" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="cmcsa_MaturingBetweenFiveAndTenYearsMember" abstract="true" name="MaturingBetweenFiveAndTenYearsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="cmcsa_EquityMethodInvestmentOwnershipPercentageRepresentingFairMarketValueFloorForPutAndCallOption" abstract="false" name="EquityMethodInvestmentOwnershipPercentageRepresentingFairMarketValueFloorForPutAndCallOption" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
<xs:element id="cmcsa_DeferredCompensationPlansInterestCost" abstract="false" name="DeferredCompensationPlansInterestCost" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="cmcsa_LineOfCreditFacilityPotentialIncreaseToMaximumBorrowingCapacity" abstract="false" name="LineOfCreditFacilityPotentialIncreaseToMaximumBorrowingCapacity" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="cmcsa_ForeignCurrencyDenominatedDebtMember" abstract="true" name="ForeignCurrencyDenominatedDebtMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="cmcsa_ThemeParksSegmentMember" abstract="true" name="ThemeParksSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="cmcsa_DeferredTaxAssetsOperatingLossAndOtherLossCarryforwards" abstract="false" name="DeferredTaxAssetsOperatingLossAndOtherLossCarryforwards" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="cmcsa_InternationalNetworksMember" abstract="true" name="InternationalNetworksMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="cmcsa_LettersOfCreditAndBankGuaranteesOutstandingAmount" abstract="false" name="LettersOfCreditAndBankGuaranteesOutstandingAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="cmcsa_Notes0250PercentDue2029Member" abstract="true" name="Notes0250PercentDue2029Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="cmcsa_UniversalBeijingResortTermLoansMember" abstract="true" name="UniversalBeijingResortTermLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="cmcsa_MediaSegmentsMember" abstract="true" name="MediaSegmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="cmcsa_DomesticBroadbandMember" abstract="true" name="DomesticBroadbandMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="cmcsa_GainLossOnInvestmentsAndOtherNoncashIncomeLossNet" abstract="false" name="GainLossOnInvestmentsAndOtherNoncashIncomeLossNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="cmcsa_PaymentsForConstructionOfThemePark" abstract="false" name="PaymentsForConstructionOfThemePark" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="cmcsa_ProductionTaxIncentivesProgrammingAndProductionCostsOffsetMember" abstract="true" name="ProductionTaxIncentivesProgrammingAndProductionCostsOffsetMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="cmcsa_EntertainmentLicenseAgreementForProgramMaterialIncludingSportsRightsAdvancesCapitalizedCost" abstract="false" name="EntertainmentLicenseAgreementForProgramMaterialIncludingSportsRightsAdvancesCapitalizedCost" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="cmcsa_ValuationAllowanceDeferredTaxAssetDeductionsFromReserves" abstract="false" name="ValuationAllowanceDeferredTaxAssetDeductionsFromReserves" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="cmcsa_ComponentsOfInvestmentAndOtherIncomeLossNetTableTextBlock" abstract="false" name="ComponentsOfInvestmentAndOtherIncomeLossNetTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
<xs:element id="cmcsa_AdvanceOnSaleOfInvestmentGross" abstract="false" name="AdvanceOnSaleOfInvestmentGross" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="cmcsa_ValuationAllowanceDeferredTaxAssetAdditionsChargedToIncomeTaxExpenseAndOtherAccounts" abstract="false" name="ValuationAllowanceDeferredTaxAssetAdditionsChargedToIncomeTaxExpenseAndOtherAccounts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="cmcsa_HuluMember" abstract="true" name="HuluMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="cmcsa_BacklogAsAPercentOfAnnualSegmentRevenuePercent" abstract="false" name="BacklogAsAPercentOfAnnualSegmentRevenuePercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
<xs:element id="cmcsa_AmountOfForeignCurrencyDenominatedDebtHedged" abstract="false" name="AmountOfForeignCurrencyDenominatedDebtHedged" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="cmcsa_ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsTableTextBlock" abstract="false" name="ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
<xs:element id="cmcsa_InterBusinessUnitEliminationsMember" abstract="true" name="InterBusinessUnitEliminationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="cmcsa_ProgrammingAndProductionCosts" abstract="false" name="ProgrammingAndProductionCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="cmcsa_MaturingInGreaterThan10YearsMember" abstract="true" name="MaturingInGreaterThan10YearsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="cmcsa_UniversalBeijingResortMember" abstract="true" name="UniversalBeijingResortMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
<xs:element id="cmcsa_DeferredTaxLiabilitiesLongTermDebt" abstract="false" name="DeferredTaxLiabilitiesLongTermDebt" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="cmcsa_DistributionSystemMember" abstract="true" name="DistributionSystemMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
</xs:schema>


1 Subsequent Filing that References this Filing

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

 2/23/24  Comcast Corp.                     S-8         2/23/24    5:78K                                    Donnelley … Solutions/FA


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