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Aon plc – ‘10-K’ for 12/31/23 – ‘XML’

On:  Friday, 2/16/24, at 5:18pm ET   ·   For:  12/31/23   ·   Accession #:  1628280-24-5392   ·   File #:  1-07933

Previous ‘10-K’:  ‘10-K’ on 2/17/23 for 12/31/22   ·   Next & Latest:  ‘10-K/A’ on 4/17/24 for 12/31/23   ·   71 References:   

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

 2/16/24  Aon plc                           10-K       12/31/23  141:142M                                   Workiva Inc Wde… FA01/FA

Annual Report   —   Form 10-K   —   SEA’34

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report                                       HTML   3.31M 
 2: EX-10.2     Material Contract                                   HTML    838K 
 3: EX-10.3     Material Contract                                   HTML    450K 
 4: EX-10.4     Material Contract                                   HTML    452K 
 5: EX-10.5     Material Contract                                   HTML    433K 
 6: EX-21.1     Subsidiaries List                                   HTML    403K 
 7: EX-22.1     Published Report re: Matters Submitted to a Vote    HTML     43K 
                of Security Holders                                              
 8: EX-23       Consent of Expert or Counsel                        HTML     44K 
13: EX-97.1     Clawback Policy re: Recovery of Erroneously         HTML     53K 
                Awarded Compensation                                             
 9: EX-31.1     Certification -- §302 - SOA'02                      HTML     44K 
10: EX-31.2     Certification -- §302 - SOA'02                      HTML     44K 
11: EX-32.1     Certification -- §906 - SOA'02                      HTML     40K 
12: EX-32.2     Certification -- §906 - SOA'02                      HTML     40K 
19: R1          Cover                                               HTML    153K 
20: R2          Audit Information                                   HTML     45K 
21: R3          Consolidated Statements of Income                   HTML    130K 
22: R4          Consolidated Statements of Comprehensive Income     HTML     93K 
23: R5          Consolidated Statements of Financial Position       HTML    167K 
24: R6          Consolidated Statements of Financial Position       HTML     46K 
                (Parenthetical)                                                  
25: R7          Consolidated Statements of Shareholders' Equity     HTML    117K 
                (Deficit)                                                        
26: R8          Consolidated Statements of Shareholders' Equity     HTML     42K 
                (Deficit) (Parenthetical)                                        
27: R9          Consolidated Statements of Cash Flows               HTML    152K 
28: R10         Basis of Presentation                               HTML     45K 
29: R11         Summary of Significant Accounting Principles and    HTML     95K 
                Practices                                                        
30: R12         Revenue from Contracts with Customers               HTML     90K 
31: R13         Accelerating Aon United Program                     HTML     66K 
32: R14         Other Financial Data                                HTML    121K 
33: R15         Acquisitions and Dispositions of Businesses         HTML     62K 
34: R16         Goodwill and Other Intangible Assets                HTML     72K 
35: R17         Debt                                                HTML     96K 
36: R18         Lease Commitments                                   HTML    188K 
37: R19         Income Taxes                                        HTML    176K 
38: R20         Shareholders' Equity (Deficit)                      HTML    120K 
39: R21         Employee Benefits                                   HTML    458K 
40: R22         Share-Based Compensation Plans                      HTML     77K 
41: R23         Derivatives and Hedging                             HTML     81K 
42: R24         Fair Value Measurements and Financial Instruments   HTML    106K 
43: R25         Claims, Lawsuits and Other Contingencies            HTML     57K 
44: R26         Segment Information                                 HTML     61K 
45: R27         Summary of Significant Accounting Principles and    HTML    154K 
                Practices (Policies)                                             
46: R28         Summary of Significant Accounting Principles and    HTML     70K 
                Practices (Tables)                                               
47: R29         Revenue from Contracts with Customers (Tables)      HTML     89K 
48: R30         Accelerating Aon United Program (Tables)            HTML     61K 
49: R31         Other Financial Data (Tables)                       HTML    130K 
50: R32         Acquisitions and Dispositions of Businesses         HTML     51K 
                (Tables)                                                         
51: R33         Goodwill and Other Intangible Assets (Tables)       HTML     84K 
52: R34         Debt (Tables)                                       HTML     91K 
53: R35         Lease Commitments (Tables)                          HTML    137K 
54: R36         Income Taxes (Tables)                               HTML    177K 
55: R37         Shareholders' Equity (Deficit) (Tables)             HTML    120K 
56: R38         Employee Benefits (Tables)                          HTML    461K 
57: R39         Share-Based Compensation Plans (Tables)             HTML     75K 
58: R40         Derivatives and Hedging (Tables)                    HTML     80K 
59: R41         Fair Value Measurements and Financial Instruments   HTML     95K 
                (Tables)                                                         
60: R42         Segment Information (Tables)                        HTML     55K 
61: R43         Summary of Significant Accounting Principles and    HTML     56K 
                Practices - Additional Information (Details)                     
62: R44         Summary of Significant Accounting Principles and    HTML     58K 
                Practices - Property, Plant and Equipment                        
                (Details)                                                        
63: R45         Summary of Significant Accounting Principles and    HTML     52K 
                Practices - Intangible Assets (Details)                          
64: R46         Revenue from Contracts with Customers -             HTML     72K 
                Disaggregation of Revenue (Details)                              
65: R47         Revenue from Contracts with Customers - Contract    HTML     55K 
                Assets Rollforward (Details)                                     
66: R48         Accelerating Aon United Program - Additional        HTML     56K 
                Information (Details)                                            
67: R49         Accelerating Aon United Program (Details)           HTML     71K 
68: R50         Other Financial Data - Schedule of Other Income     HTML     57K 
                (Expense) (Details)                                              
69: R51         Other Financial Data - Schedule of Allowance for    HTML     49K 
                Doubtful Accounts (Details)                                      
70: R52         Other Financial Data - Schedule of Other Current    HTML     55K 
                Assets (Details)                                                 
71: R53         Other Financial Data - Components of Fixed Assets,  HTML     64K 
                Net (Details)                                                    
72: R54         Other Financial Data - Schedule of Other            HTML     52K 
                Non-current Assets (Details)                                     
73: R55         Other Financial Data - Schedule of Other Current    HTML     56K 
                Liabilities (Details)                                            
74: R56         Other Financial Data - Schedule of Other            HTML     55K 
                Non-current Liabilities (Details)                                
75: R57         Acquisitions and Dispositions of Businesses -       HTML     63K 
                Completed Acquisitions (Details)                                 
76: R58         Acquisitions and Dispositions of Businesses -       HTML     74K 
                Schedule of Net Assets Acquired (Details)                        
77: R59         Acquisitions and Dispositions of Businesses -       HTML     44K 
                Completed Dispositions (Details)                                 
78: R60         Acquisitions and Dispositions of Businesses -       HTML     47K 
                Assets and Liabilities Held for Sale (Details)                   
79: R61         Acquisitions and Dispositions of Businesses -       HTML     55K 
                Other Significant Activity (Details)                             
80: R62         Acquisitions and Dispositions of Businesses -       HTML     52K 
                Subsequent Events (Details)                                      
81: R63         Goodwill and Other Intangible Assets - Schedule of  HTML     51K 
                changes in the net carrying amount of goodwill                   
                (Details)                                                        
82: R64         Goodwill and Other Intangible Assets - Schedule of  HTML     61K 
                other intangible assets by asset class (Details)                 
83: R65         Goodwill and Other Intangible Assets - Schedule of  HTML     56K 
                estimated future amortization expense on                         
                intangible assets (Details)                                      
84: R66         Debt - Summary of outstanding debt (Details)        HTML    123K 
85: R67         Debt - Narrative (Details)                          HTML    112K 
86: R68         Debt - Repayments of long-term debt (Details)       HTML     66K 
87: R69         Debt - Schedule of Commercial Paper (Details)       HTML     48K 
88: R70         Lease Commitments - Assets and Liabilities of       HTML     67K 
                Lessee (Details)                                                 
89: R71         Lease Commitments - Lease Costs (Details)           HTML     57K 
90: R72         Lease Commitments - Lease Terms and Assumptions     HTML     50K 
                (Details)                                                        
91: R73         Lease Commitments - Cash Flow of Lessee (Details)   HTML     52K 
92: R74         Lease Commitments - Lease Maturity (Details)        HTML     97K 
93: R75         Income Taxes - Income from continuing operations    HTML     78K 
                before income tax (Details)                                      
94: R76         Income Taxes - Narrative (Details)                  HTML     62K 
95: R77         Income Taxes - Reconciliation of the income tax     HTML     77K 
                provisions based on the U.S. statutory corporate                 
                tax rate to the provisions reflected in the                      
                Consolidated Financial Statements (Details)                      
96: R78         Income Taxes - Components of Aon's deferred tax     HTML     87K 
                assets and liabilities (Details)                                 
97: R79         Income Taxes - Deferred income taxes (assets and    HTML     47K 
                liabilities netted by jurisdiction) as classified                
                in the Consolidated Statements of Financial                      
                Position (Details)                                               
98: R80         Income Taxes - Operating Loss Carryforwards         HTML     58K 
                (Details)                                                        
99: R81         Income Taxes - Reconciliation of the beginning and  HTML     58K 
                ending amount of unrecognized tax benefits                       
                (Details)                                                        
100: R82         Shareholders' Equity (Deficit) - Distributable      HTML     41K  
                Profits (Details)                                                
101: R83         Shareholders' Equity (Deficit) - Ordinary Shares    HTML     54K  
                (Details)                                                        
102: R84         Shareholders' Equity (Deficit) - Schedule of        HTML     50K  
                weighted average shares outstanding (Details)                    
103: R85         Shareholders' Equity (Deficit) - Components of      HTML     92K  
                Accumulated other comprehensive loss, net of                     
                related tax (Details)                                            
104: R86         Employee Benefits - Schedule of expense recognized  HTML     49K  
                in Compensation and benefit in the Consolidated                  
                Statements of Income (Details)                                   
105: R87         Employee Benefits - Pension Plans Narrative         HTML     78K  
                (Details)                                                        
106: R88         Employee Benefits - Reconciliation of the changes   HTML    117K  
                in the benefit obligations and fair value of                     
                assets and a statement of the funded status                      
                (Details)                                                        
107: R89         Employee Benefits - Amounts recognized in the       HTML     66K  
                Consolidated Statements of Financial Position                    
                (Details)                                                        
108: R90         Employee Benefits - Amounts recognized in           HTML     56K  
                Accumulated other comprehensive loss that have not               
                yet been recognized (Details)                                    
109: R91         Employee Benefits - Components of net periodic      HTML     80K  
                benefit cost (Details)                                           
110: R92         Employee Benefits - Weighted-average assumptions    HTML     62K  
                used to determine future benefit obligations                     
                (Details)                                                        
111: R93         Employee Benefits - Weighted-average assumptions    HTML     64K  
                used to determine the net periodic benefit cost                  
                (Details)                                                        
112: R94         Employee Benefits - Schedule of Fair Value of U.S   HTML    112K  
                Plan Assets (Details)                                            
113: R95         Employee Benefits - Schedule of Fair Value of U.K.  HTML    104K  
                Plan Assets (Details)                                            
114: R96         Employee Benefits - Schedule of changes in Level 3  HTML     56K  
                fair value for U.K. Pension Plans (Details)                      
115: R97         Employee Benefits - Schedule of Fair Value of       HTML    104K  
                Other Plan Assets (Details)                                      
116: R98         Employee Benefits - Investment Policy and Strategy  HTML     56K  
                Narrative (Details)                                              
117: R99         Employee Benefits - Cash Flows Narrative (Details)  HTML     49K  
118: R100        Employee Benefits - Estimated Future Benefit        HTML     62K  
                Payments (Details)                                               
119: R101        Employee Benefits - Overview of the accumulated     HTML     57K  
                benefit obligation, fair value of plan assets,                   
                funded status and net amount (Details)                           
120: R102        Employee Benefits - Schedule of Other information   HTML     53K  
                related to Company's other post-retirement plan's                
                (Details)                                                        
121: R103        Employee Benefits - U.S. and Canadian Other         HTML     52K  
                Post-Retirement Benefits Narrative (Details)                     
122: R104        Share-Based Compensation Plans - Share-based        HTML     61K  
                compensation expense recognized in continuing                    
                operations (Details)                                             
123: R105        Share-Based Compensation Plans - Restricted Share   HTML     65K  
                Units Narrative (Details)                                        
124: R106        Share-Based Compensation Plans - Summary of the     HTML     73K  
                status of the Company's RSUs and PSAs (Details)                  
125: R107        Share-Based Compensation Plans - Performance Share  HTML     72K  
                Awards Narrative (Details)                                       
126: R108        Derivatives and Hedging - Narrative (Details)       HTML     55K  
127: R109        Derivatives and Hedging - Notional and fair values  HTML     66K  
                of derivative instruments (Details)                              
128: R110        Derivatives and Hedging - Schedule of amounts of    HTML     51K  
                derivative gains (losses) recognized in the                      
                Consolidated Financial Statements (Details)                      
129: R111        Fair Value Measurements and Financial Instruments   HTML     83K  
                - Schedule of assets and liabilities that are                    
                measured at fair value on a recurring basis                      
                (Details)                                                        
130: R112        Fair Value Measurements and Financial Instruments   HTML     43K  
                - Narrative (Details)                                            
131: R113        Fair Value Measurements and Financial Instruments   HTML     54K  
                - Schedule of Financial Instruments where the                    
                Carrying Amounts and Fair Values Differ (Details)                
132: R114        Claims, Lawsuits, and Other Contingencies - Legal   HTML     59K  
                Narrative (Details)                                              
133: R115        Claims, Lawsuits, and Other Contingencies -         HTML     41K  
                Letters of Credit Narrative (Details)                            
134: R116        Claims, Lawsuits, and Other Contingencies -         HTML     42K  
                Guarantees and Indemnifications Narrative                        
                (Details)                                                        
135: R117        Segment Information - Narrative (Details)           HTML     45K  
136: R118        Segment Information - Schedule of consolidated      HTML     55K  
                non-current assets by geographic area (Details)                  
138: XML         IDEA XML File -- Filing Summary                      XML    259K  
141: XML         XBRL Instance -- aon-20231231_htm                    XML   4.95M  
137: EXCEL       IDEA Workbook of Financial Report Info              XLSX    275K  
15: EX-101.CAL  XBRL Calculations -- aon-20231231_cal                XML    421K 
16: EX-101.DEF  XBRL Definitions -- aon-20231231_def                 XML   1.23M 
17: EX-101.LAB  XBRL Labels -- aon-20231231_lab                      XML   2.76M 
18: EX-101.PRE  XBRL Presentations -- aon-20231231_pre               XML   1.90M 
14: EX-101.SCH  XBRL Schema -- aon-20231231                          XSD    309K 
139: JSON        XBRL Instance as JSON Data -- MetaLinks              763±  1.17M  
140: ZIP         XBRL Zipped Folder -- 0001628280-24-005392-xbrl      Zip   1.26M

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7 Subsequent Filings that Reference this Filing

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

 4/26/24  Aon plc                           10-Q        3/31/24   93:8.1M                                   Workiva Inc Wde… FA01/FA
 4/23/24  Aon plc                           424B3                  1:1.7M                                   Donnelley … Solutions/FA
 4/19/24  Aon plc                           S-4/A                  3:2M                                     Donnelley … Solutions/FA
 3/29/24  Aon plc                           S-4/A                  1:1.8M                                   Donnelley … Solutions/FA
 2/29/24  Aon North America, Inc.           424B5                  2:714K                                   Donnelley … Solutions/FA
 2/27/24  Aon North America, Inc.           424B5                  1:623K                                   Donnelley … Solutions/FA
 2/26/24  Aon plc                           S-4                    4:2.5M                                   Donnelley … Solutions/FA

64 Previous Filings that this Filing References

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

12/20/23  Aon plc                           8-K:1,7,9  12/19/23   14:3.7M                                   Donnelley … Solutions/FA
10/24/23  Aon plc                           8-K:1,2,9  10/19/23   13:2.2M                                   Donnelley … Solutions/FA
 7/28/23  Aon plc                           10-Q        6/30/23   89:48M                                    Workiva Inc Wde… FA01/FA
 6/22/23  Aon plc                           8-K:5,9     6/16/23   14:464K                                   Donnelley … Solutions/FA
 6/22/23  Aon plc                           S-3ASR      6/22/23   29:3M                                     Donnelley … Solutions/FA
 4/28/23  Aon plc                           10-Q        3/31/23   83:7.4M                                   Workiva Inc Wde… FA01/FA
 2/28/23  Aon plc                           8-K:8,9     2/23/23   16:872K                                   Donnelley … Solutions/FA
 2/17/23  Aon plc                           10-K       12/31/22  135:18M                                    Workiva Inc Wde… FA01/FA
10/21/22  Aon plc                           8-K:1,9    10/19/22   12:1.2M                                   Donnelley … Solutions/FA
 9/12/22  Aon plc                           8-K:8,9     9/07/22   16:868K                                   Donnelley … Solutions/FA
 6/23/22  Aon plc                           8-K:5,9     6/17/22   13:324K                                   Donnelley … Solutions/FA
 2/28/22  Aon plc                           8-K:8,9     2/23/22   16:938K                                   Donnelley … Solutions/FA
 2/18/22  Aon plc                           10-K       12/31/21  141:20M                                    Workiva Inc Wde… FA01/FA
12/02/21  Aon plc                           8-K:8,9    11/29/21   16:870K                                   Donnelley … Solutions/FA
10/29/21  Aon plc                           10-Q        9/30/21   91:9.8M                                   Workiva Inc Wde… FA01/FA
 9/30/21  Aon plc                           8-K:1,2,9   9/28/21   13:2.2M                                   Donnelley … Solutions/FA
 8/23/21  Aon plc                           8-K:8,9     8/23/21   16:899K                                   Donnelley … Solutions/FA
 7/30/21  Aon plc                           10-Q        6/30/21   91:9.8M                                   Workiva Inc Wde… FA01/FA
 7/26/21  Aon plc                           8-K:1,5,7,9 7/26/21   15:312K                                   Donnelley … Solutions/FA
 6/04/21  Aon plc                           8-K:5,9     6/02/21   12:810K                                   Donnelley … Solutions/FA
 4/30/21  Aon plc                           10-Q        3/31/21   90:8.4M                                   Workiva Inc Wde… FA01/FA
 2/19/21  Aon plc                           10-K       12/31/20  138:19M                                    Workiva Inc Wde… FA01/FA
 6/25/20  Aon plc                           8-K:5,9     6/19/20   13:313K                                   Donnelley … Solutions/FA
 5/15/20  Aon plc                           8-K:8,9     5/12/20   16:749K                                   Donnelley … Solutions/FA
 5/01/20  Aon plc                           10-Q        3/31/20  107:18M                                    Workiva Inc Wde… FA01/FA
 4/01/20  Aon plc                           8-K12B:1,2, 4/01/20   24:3.6M                                   Donnelley … Solutions/FA
 3/10/20  Aon plc                           8-K:1,9     3/09/20   14:1.1M                                   Donnelley … Solutions/FA
 2/14/20  Aon plc                           10-K       12/31/19  156:36M                                    Workiva Inc Wde… FA01/FA
11/15/19  Aon plc                           8-K:8,9    11/13/19   14:476K                                   Donnelley … Solutions/FA
 7/26/19  Aon plc                           10-Q        6/30/19  114:21M                                    Workiva Inc Wde… FA01/FA
 6/25/19  Aon plc                           8-K:5,9     6/21/19    3:69K                                    Donnelley … Solutions/FA
 5/02/19  Aon plc                           8-K:8,9     4/30/19    5:297K                                   Donnelley … Solutions/FA
 4/26/19  Aon plc                           10-Q        3/31/19  112:16M                                    Workiva Inc Wde… FA01/FA
12/03/18  Aon plc                           8-K:8,9    12/03/18    6:784K                                   Donnelley … Solutions/FA
 6/27/18  Aon plc                           8-K:5,9     6/21/18    3:63K                                    Donnelley … Solutions/FA
 5/15/18  Aon plc                           8-K:5,9     5/10/18    4:52K                                    Donnelley … Solutions/FA
 4/25/18  Aon plc                           8-K:5,9     4/19/18    3:36K                                    Donnelley … Solutions/FA
 2/20/18  Aon plc                           10-K       12/31/17  149:29M                                    Workiva Inc Wde… FA01/FA
10/20/17  Aon plc                           8-K:1,2,9  10/19/17    2:984K                                   Toppan Merrill/FA
 8/04/17  Aon plc                           10-Q        6/30/17   98:18M                                    Workiva Inc Wde… FA01/FA
 5/09/17  Aon plc                           10-Q        3/31/17   97:14M                                    Workiva Inc Wde… FA01/FA
 2/23/17  Aon plc                           10-K       12/31/16  150:28M                                    Workiva Inc Wde… FA01/FA
 2/10/17  Aon plc                           8-K:1,9     2/09/17    3:1.2M                                   Toppan Merrill/FA
10/28/16  Aon plc                           10-Q        9/30/16   89:16M                                    Workiva Inc Wde… FA01/FA
 7/29/16  Aon plc                           10-Q        6/30/16   91:16M                                    Workiva Inc Wde… FA01/FA
 4/29/16  Aon plc                           10-Q        3/31/16   96:13M                                    Workiva Inc Wde… FA01/FA
 2/29/16  Aon plc                           8-K:8,9     2/23/16    5:374K                                   Toppan Merrill/FA
 5/20/15  Aon plc                           8-K:8,9     5/13/15    6:983K                                   Toppan Merrill/FA
 2/26/15  Aon plc                           8-K:5,9     2/20/15    4:305K                                   Toppan Merrill/FA
 1/23/15  Aon plc                           8-K:5,9     1/16/15    2:142K                                   Toppan Merrill/FA
 5/27/14  Aon plc                           8-K:8,9     5/20/14    6:495K                                   Toppan Merrill/FA
11/26/13  Aon plc                           8-K:8,9    11/21/13    5:403K                                   Toppan Merrill/FA
 5/24/13  Aon plc                           8-K:8,9     5/21/13    6:944K                                   Toppan Merrill/FA
 3/29/13  Aon plc                           S-4                   11:1.9M                                   Toppan Merrill/FA
 4/02/12  Aon plc                           8-K12B:1,2, 3/29/12   22:6.4M                                   Toppan Merrill/FA
 3/30/12  Aon plc                           8-K:5,9     3/27/12    5:414K                                   Toppan Merrill/FA
 3/08/11  Aon plc                           8-K:1,2,9   3/08/11    2:572K                                   Toppan Merrill/FA
 9/10/10  Aon plc                           8-K:8,9     9/07/10   10:1.2M                                   Toppan Merrill/FA
 8/06/10  Aon plc                           10-Q        6/30/10   83:18M                                    Toppan Merrill/FA
11/17/09  Aon plc                           8-K:5,9    11/13/09    4:362K                                   Toppan Merrill/FA
10/03/07  Aon plc                           8-K:5,9    10/03/07    3:121K                                   Toppan Merrill/FA
 3/01/07  Aon plc                           10-K       12/31/06   13:2.3M                                   Toppan Merrill-FA
 5/24/06  Aon plc                           8-K:1,9     5/18/06    3:99K                                    Toppan Merrill/FA
 8/11/00  Aon plc                           10-Q        6/30/00    5:84K                                    Swift John S Co. Inc./FA
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