v3.26.1
Fair Value of Assets and Liabilities (Changes in Level 3 Assets and Liabilities) (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Unrealized gains (losses) for assets/liabilities still held:      
Market risk benefit assets $ 2,166 $ 2,139 $ 2,330
Market risk benefit liabilities 5,000 5,021 4,623
Fair Value, Measurements, Recurring      
Unrealized gains (losses) for assets/liabilities still held:      
Market risk benefit assets 2,166   2,330
Market risk benefit liabilities 5,000   $ 4,623
Equity securities      
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Fair Value, beginning of period 626 518  
Purchases 23 154  
Sales (2) (23)  
Issuances 0 0  
Settlements (14) 0  
Other 0 0  
Transfers into Level 3 0 119  
Transfers out of Level 3 (33) (18)  
Fair Value, end of period 568 733  
Total gains (losses) (realized/unrealized):      
Included in earnings (32) (17)  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings (28) (23)  
Equity securities | Realized investment gains (losses), net      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Equity securities | Other income (loss)      
Total gains (losses) (realized/unrealized):      
Included in earnings (32) (17)  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings (28) (23)  
Equity securities | Interest credited to policyholders’ account balances      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Equity securities | Included in other comprehensive income (loss)      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Equity securities | Net investment income      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Commercial mortgage and other loans      
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Fair Value, beginning of period 263 233  
Purchases 39 0  
Sales 0 0  
Issuances 26 30  
Settlements (58) 0  
Other 0 0  
Transfers into Level 3 0 0  
Transfers out of Level 3 0 0  
Fair Value, end of period 270 263  
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Commercial mortgage and other loans | Realized investment gains (losses), net      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Commercial mortgage and other loans | Other income (loss)      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Commercial mortgage and other loans | Interest credited to policyholders’ account balances      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Commercial mortgage and other loans | Included in other comprehensive income (loss)      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Commercial mortgage and other loans | Net investment income      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Other invested assets      
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Fair Value, beginning of period 1,088 953  
Purchases 59 14  
Sales (12) (1)  
Issuances 0 0  
Settlements 0 0  
Other 0 0  
Transfers into Level 3 0 0  
Transfers out of Level 3 0 0  
Fair Value, end of period 1,134 965  
Total gains (losses) (realized/unrealized):      
Included in earnings (1) (1)  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings (1) (1)  
Other invested assets | Realized investment gains (losses), net      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Other invested assets | Other income (loss)      
Total gains (losses) (realized/unrealized):      
Included in earnings (1) (1)  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings (1) (1)  
Other invested assets | Interest credited to policyholders’ account balances      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Other invested assets | Included in other comprehensive income (loss)      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Other invested assets | Net investment income      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Short-term investments      
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Fair Value, beginning of period 1 461  
Purchases 26 8  
Sales 0 (3)  
Issuances 0 0  
Settlements 28 (4)  
Other 0 0  
Transfers into Level 3 0 0  
Transfers out of Level 3 0 0  
Fair Value, end of period 44 462  
Total gains (losses) (realized/unrealized):      
Included in earnings (11) 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings (11) 0  
Short-term investments | Realized investment gains (losses), net      
Total gains (losses) (realized/unrealized):      
Included in earnings (11) 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings (11) 0  
Short-term investments | Other income (loss)      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Short-term investments | Interest credited to policyholders’ account balances      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Short-term investments | Included in other comprehensive income (loss)      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Short-term investments | Net investment income      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Cash equivalents      
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Fair Value, beginning of period 0 0  
Purchases 0 1  
Sales 0 0  
Issuances 0 0  
Settlements 0 0  
Other 0 0  
Transfers into Level 3 0 0  
Transfers out of Level 3 0 0  
Fair Value, end of period 0 1  
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Cash equivalents | Realized investment gains (losses), net      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Cash equivalents | Other income (loss)      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Cash equivalents | Interest credited to policyholders’ account balances      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Cash equivalents | Included in other comprehensive income (loss)      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Cash equivalents | Net investment income      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Reinsurance recoverables and deposit receivables      
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Fair Value, beginning of period 367 613  
Purchases 44 23  
Sales 0 0  
Issuances 0 0  
Settlements (21) (18)  
Other 2 (233)  
Transfers into Level 3 0 0  
Transfers out of Level 3 0 0  
Fair Value, end of period 452 381  
Total gains (losses) (realized/unrealized):      
Included in earnings 60 (4)  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 39 (21)  
Reinsurance recoverables and deposit receivables | Realized investment gains (losses), net      
Total gains (losses) (realized/unrealized):      
Included in earnings 60 (4)  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 39 (21)  
Reinsurance recoverables and deposit receivables | Other income (loss)      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Reinsurance recoverables and deposit receivables | Interest credited to policyholders’ account balances      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Reinsurance recoverables and deposit receivables | Included in other comprehensive income (loss)      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Reinsurance recoverables and deposit receivables | Net investment income      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Separate accounts assets      
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Fair Value, beginning of period 211 232  
Purchases 6 60  
Sales (1) (34)  
Issuances 0 0  
Settlements (8) (1)  
Other 0 0  
Transfers into Level 3 6 4  
Transfers out of Level 3 0 0  
Fair Value, end of period 210 253  
Total gains (losses) (realized/unrealized):      
Included in earnings (4) (8)  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings (4) (8)  
Separate accounts assets | Realized investment gains (losses), net      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Separate accounts assets | Other income (loss)      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Separate accounts assets | Interest credited to policyholders’ account balances      
Total gains (losses) (realized/unrealized):      
Included in earnings (4) (8)  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings (4) (8)  
Separate accounts assets | Included in other comprehensive income (loss)      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Separate accounts assets | Net investment income      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Policyholders’ account balances      
Fair Value, Assets And Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Fair Value, beginning of period (18,799) (12,746)  
Purchases 0 0  
Sales 0 0  
Issuances 0 0  
Settlements (381) (625)  
Other 1 (2)  
Transfers Into Level 3 0 0  
Transfers out of Level 3 0 0  
Fair Value, end of period (17,590) (11,938)  
Total gains (losses) (realized/unrealized):      
Included in earnings 1,589 1,435  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 323 407  
Policyholders’ account balances | Realized investment gains (losses), net      
Total gains (losses) (realized/unrealized):      
Included in earnings 1,589 1,435  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 323 407  
Policyholders’ account balances | Other income (loss)      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Policyholders’ account balances | Interest credited to policyholders’ account balances      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Policyholders’ account balances | Included in other comprehensive income (loss)      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Policyholders’ account balances | Net investment income      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Other liabilities      
Fair Value, Assets And Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Fair Value, beginning of period 0 (1)  
Purchases 0 0  
Sales 0 0  
Issuances 0 0  
Settlements 0 0  
Other 0 0  
Transfers Into Level 3 0 0  
Transfers out of Level 3 0 0  
Fair Value, end of period 0 (13)  
Total gains (losses) (realized/unrealized):      
Included in earnings 0 (12)  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 (12)  
Other liabilities | Realized investment gains (losses), net      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 (12)  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 (12)  
Other liabilities | Other income (loss)      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Other liabilities | Interest credited to policyholders’ account balances      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Other liabilities | Included in other comprehensive income (loss)      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Other liabilities | Net investment income      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Notes issued by consolidated VIEs      
Fair Value, Assets And Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Fair Value, beginning of period (767) (60)  
Purchases 0 0  
Sales 0 0  
Issuances (138) (7)  
Settlements 0 0  
Other (423) 0  
Transfers Into Level 3 0 0  
Transfers out of Level 3 0 0  
Fair Value, end of period (1,330) (67)  
Total gains (losses) (realized/unrealized):      
Included in earnings (2) 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings (4) 0  
Notes issued by consolidated VIEs | Realized investment gains (losses), net      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Notes issued by consolidated VIEs | Other income (loss)      
Total gains (losses) (realized/unrealized):      
Included in earnings (2) 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings (4) 0  
Notes issued by consolidated VIEs | Interest credited to policyholders’ account balances      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Notes issued by consolidated VIEs | Included in other comprehensive income (loss)      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Notes issued by consolidated VIEs | Net investment income      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Fixed maturities, available-for-sale | Fixed maturities | Realized investment gains (losses), net      
Total gains (losses) (realized/unrealized):      
Included in earnings (77) (19)  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings (89) (22)  
Fixed maturities, available-for-sale | Fixed maturities | Other income (loss)      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Fixed maturities, available-for-sale | Fixed maturities | Interest credited to policyholders’ account balances      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Fixed maturities, available-for-sale | Fixed maturities | Included in other comprehensive income (loss)      
Total gains (losses) (realized/unrealized):      
Included in earnings (111) (28)  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings (108) (30)  
Fixed maturities, available-for-sale | Fixed maturities | Net investment income      
Total gains (losses) (realized/unrealized):      
Included in earnings 2 (3)  
Fixed maturities, available-for-sale | Fixed maturities | U.S. states      
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Fair Value, beginning of period 5 6  
Purchases 0 0  
Sales 0 0  
Issuances 0 0  
Settlements 0 (1)  
Other 0 0  
Transfers into Level 3 0 0  
Transfers out of Level 3 0 0  
Fair Value, end of period 5 5  
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Fixed maturities, available-for-sale | Fixed maturities | Foreign government securities      
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Fair Value, beginning of period 5 7  
Purchases 0 0  
Sales 0 0  
Issuances 0 0  
Settlements 0 (2)  
Other 0 0  
Transfers into Level 3 0 0  
Transfers out of Level 3 0 0  
Fair Value, end of period 5 5  
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Fixed maturities, available-for-sale | Fixed maturities | Corporate securities      
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Fair Value, beginning of period 6,933 5,831  
Purchases 686 868  
Sales (94) (350)  
Issuances 0 0  
Settlements (360) (194)  
Other 13 (41)  
Transfers into Level 3 469 234  
Transfers out of Level 3 (28) (1)  
Fair Value, end of period 7,465 6,279  
Total gains (losses) (realized/unrealized):      
Included in earnings (154) (68)  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings (165) (71)  
Fixed maturities, available-for-sale | Fixed maturities | Structured securities      
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Fair Value, beginning of period 5,055 2,333  
Purchases 1,298 826  
Sales (54) (323)  
Issuances 0 0  
Settlements (150) (65)  
Other (1) (362)  
Transfers into Level 3 0 865  
Transfers out of Level 3 (220) (75)  
Fair Value, end of period 5,896 3,217  
Total gains (losses) (realized/unrealized):      
Included in earnings (32) 18  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings (32) 19  
Fixed maturities, trading | Fixed maturities      
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Fair Value, beginning of period 2,313 1,986  
Purchases 724 423  
Sales (24) (261)  
Issuances 0 0  
Settlements (41) (252)  
Other (1) 366  
Transfers into Level 3 16 3  
Transfers out of Level 3 (28) (106)  
Fair Value, end of period 2,915 2,138  
Total gains (losses) (realized/unrealized):      
Included in earnings (44) (21)  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings (49) (7)  
Fixed maturities, trading | Fixed maturities | Realized investment gains (losses), net      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Fixed maturities, trading | Fixed maturities | Other income (loss)      
Total gains (losses) (realized/unrealized):      
Included in earnings (44) (6)  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings (49) (7)  
Fixed maturities, trading | Fixed maturities | Interest credited to policyholders’ account balances      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Fixed maturities, trading | Fixed maturities | Included in other comprehensive income (loss)      
Total gains (losses) (realized/unrealized):      
Included in earnings 0 0  
Unrealized gains (losses) for assets/liabilities still held:      
Included in earnings 0 0  
Fixed maturities, trading | Fixed maturities | Net investment income      
Total gains (losses) (realized/unrealized):      
Included in earnings $ 0 $ (15)