v3.25.2
Business Segments (Balance Sheet Information) (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Jun. 30, 2024
Segment Reporting Information [Line Items]      
Reinsurance receivables $ 6,439 $ 6,072  
Insurance receivables 4,089 3,697  
Deferred acquisition costs 1,021 959  
Goodwill 148 145  
Deferred non-insurance warranty acquisition expense 3,441 3,525  
Insurance reserves      
Claim and claim adjustment expenses 26,203 24,976  
Unearned premiums 7,890 7,346  
Future policy benefits 13,329 13,158 $ 13,211
Deferred non-insurance warranty revenue 4,421 4,530  
Operating Segments | Specialty      
Segment Reporting Information [Line Items]      
Reinsurance receivables 1,777 1,405  
Insurance receivables 1,028 1,062  
Deferred acquisition costs 447 427  
Goodwill 117 117  
Deferred non-insurance warranty acquisition expense 3,441 3,525  
Insurance reserves      
Claim and claim adjustment expenses 7,704 7,426  
Unearned premiums 3,283 3,275  
Future policy benefits 0 0  
Deferred non-insurance warranty revenue 4,421 4,530  
Operating Segments | Commercial      
Segment Reporting Information [Line Items]      
Reinsurance receivables 1,740 1,710  
Insurance receivables 2,556 2,219  
Deferred acquisition costs 420 405  
Goodwill 0 0  
Deferred non-insurance warranty acquisition expense 0 0  
Insurance reserves      
Claim and claim adjustment expenses 11,888 11,336  
Unearned premiums 3,635 3,252  
Future policy benefits 0 0  
Deferred non-insurance warranty revenue 0 0  
Operating Segments | International      
Segment Reporting Information [Line Items]      
Reinsurance receivables 550 539  
Insurance receivables 503 410  
Deferred acquisition costs 154 127  
Goodwill 31 28  
Deferred non-insurance warranty acquisition expense 0 0  
Insurance reserves      
Claim and claim adjustment expenses 3,256 2,920  
Unearned premiums 871 727  
Future policy benefits 0 0  
Deferred non-insurance warranty revenue 0 0  
Operating Segments | Life & Group      
Segment Reporting Information [Line Items]      
Reinsurance receivables 79 82  
Insurance receivables 1 4  
Deferred acquisition costs 0 0  
Goodwill 0 0  
Deferred non-insurance warranty acquisition expense 0 0  
Insurance reserves      
Claim and claim adjustment expenses 611 622  
Unearned premiums 101 92  
Future policy benefits 13,329 13,158  
Deferred non-insurance warranty revenue 0 0  
Operating Segments | Corporate & Other      
Segment Reporting Information [Line Items]      
Reinsurance receivables 2,293 2,336  
Insurance receivables 1 2  
Deferred acquisition costs 0 0  
Goodwill 0 0  
Deferred non-insurance warranty acquisition expense 0 0  
Insurance reserves      
Claim and claim adjustment expenses 2,744 2,672  
Unearned premiums 0 0  
Future policy benefits 0 0  
Deferred non-insurance warranty revenue 0 0  
Eliminations      
Segment Reporting Information [Line Items]      
Reinsurance receivables 0 0  
Insurance receivables 0 0  
Deferred acquisition costs 0 0  
Goodwill 0 0  
Deferred non-insurance warranty acquisition expense 0 0  
Insurance reserves      
Claim and claim adjustment expenses 0 0  
Unearned premiums 0 0  
Future policy benefits 0 0  
Deferred non-insurance warranty revenue $ 0 $ 0