v3.23.1
Summary of Significant Accounting Policies - Adjusted Cash Flows to Apply Adopted Guidance (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Cash flows from operating activities:      
Net income $ 8,479 $ 9,172 $ 866
Noncash revenues, expenses, gains and losses included in income (loss):      
Unrealized gains in earnings - net 864 (556) (343)
Change in the fair value of market risk benefits in earnings, net (1,481) (1,427) 0
Depreciation and other amortization 585 413 325
Changes in operating assets and liabilities:      
Insurance liabilities 996 1,536 1,972
Premiums and other receivables and payables - net (40) (156) (575)
Reinsurance assets and funds held under reinsurance treaties 1,086 307 271
Capitalization of deferred policy acquisition costs (1,059) (1,058) (889)
Current and deferred income taxes - net 912 169 (1,930)
Other, net 390 (709) 614
Total adjustments (5,858) (6,767) 2,461
Net cash provided by operating activities 2,621 2,405 3,327
Cash flows from financing activities:      
Policyholder contract deposits 26,582 25,443 22,438
Net cash provided by (used in) financing activities 4,674 (753) $ 4,666
As Previously Reported      
Cash flows from operating activities:      
Net income 8,469 8,284  
Noncash revenues, expenses, gains and losses included in income (loss):      
Unrealized gains in earnings - net (1,621) (1,573)  
Change in the fair value of market risk benefits in earnings, net 0 0  
Depreciation and other amortization 1,021 562  
Changes in operating assets and liabilities:      
Insurance liabilities 2,064 2,161  
Premiums and other receivables and payables - net 68 226  
Reinsurance assets and funds held under reinsurance treaties 409 155  
Capitalization of deferred policy acquisition costs (991) (1,000)  
Current and deferred income taxes - net 890 (70)  
Other, net 577 (686)  
Total adjustments (5,774) (5,823)  
Net cash provided by operating activities 2,695 2,461  
Cash flows from financing activities:      
Policyholder contract deposits 26,508 25,387  
Net cash provided by (used in) financing activities 4,600 (809)  
Effect of Change      
Cash flows from operating activities:      
Net income 10 888  
Noncash revenues, expenses, gains and losses included in income (loss):      
Unrealized gains in earnings - net 2,485 1,017  
Change in the fair value of market risk benefits in earnings, net (1,481) (1,427)  
Depreciation and other amortization (436) (149)  
Changes in operating assets and liabilities:      
Insurance liabilities (1,068) (625)  
Premiums and other receivables and payables - net (28) (70)  
Reinsurance assets and funds held under reinsurance treaties 677 152  
Capitalization of deferred policy acquisition costs (68) (58)  
Current and deferred income taxes - net 22 239  
Other, net (187) (23)  
Total adjustments (84) (944)  
Net cash provided by operating activities (74) (56)  
Cash flows from financing activities:      
Policyholder contract deposits 74 56  
Net cash provided by (used in) financing activities $ 74 $ 56