v3.26.1
Fair Value (Unobservable Input Reconciliation) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Net Derivatives        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period $ (15) $ (4) $ (10) $ 10
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period 0 0 0 0
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]        
Balance, beginning of period 36 21 33 5
Total realized/unrealized gains (losses) included in net income (loss) (15) (4) (9) 11
Total realized/unrealized gains (losses) included in AOCI 0 0 (1) 1
Purchases 0 0 0 0
Sales 0 0 0 0
Issuances 0 0 0 0
Settlements 0 0 0 (1)
Transfers into Level 3 0 0 0 0
Transfers out of Level 3 (3) (1) (5) 0
Balance, end of period 18 16 18 16
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period (15) (4) (10) 10
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period 0 0 0 0
Net Embedded Derivatives        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period (186) (24) 113 (56)
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period 0 0 0 0
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]        
Balance, beginning of period 152 (43) (57) (9)
Total realized/unrealized gains (losses) included in net income (loss) (185) (24) 114 (56)
Total realized/unrealized gains (losses) included in AOCI 0 0 0 0
Purchases 0 0 0 0
Sales 0 0 0 0
Issuances (140) 0 (232) 0
Settlements 5 157 7 155
Transfers into Level 3 0 0 0 0
Transfers out of Level 3 0 0 0 0
Balance, end of period (168) 90 (168) 90
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period (186) (24) 113 (56)
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period 0 0 0 0
Corporate fixed maturity securities        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance, beginning of period 31,190 27,512 30,350 26,505
Total realized/unrealized gains (losses) included in net income (loss) 9 (10) 10 (28)
Total realized/unrealized gains (losses) included in AOCI 224 872 (352) 1,313
Purchases 2,121 1,154 3,907 2,093
Sales (992) (479) (1,462) (950)
Issuances 0 0 0 0
Settlements 0 0 0 0
Transfers into Level 3 53 156 85 95
Transfers out of Level 3 (385) (568) (318) (391)
Balance, end of period 32,220 28,637 32,220 28,637
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period 17 (17) 10 (19)
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period 195 873 (375) 1,289
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]        
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period 17 (17) 10 (19)
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period 195 873 (375) 1,289
Foreign government        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance, beginning of period 698 57 52 41
Total realized/unrealized gains (losses) included in net income (loss) 0 0 0 0
Total realized/unrealized gains (losses) included in AOCI 1 1 0 5
Purchases 1 7 2 12
Sales (5) 0 (1) (1)
Issuances 0 0 0 0
Settlements 0 0 0 0
Transfers into Level 3 11 0 5 0
Transfers out of Level 3 (649) (9) (1) (1)
Balance, end of period 57 56 57 56
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period 0 0 0 0
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period 1 1 0 5
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]        
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period 0 0 0 0
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period 1 1 0 5
Structured Products        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance, beginning of period 4,063 4,807 3,493 8,639
Total realized/unrealized gains (losses) included in net income (loss) 11 7 5 (12)
Total realized/unrealized gains (losses) included in AOCI (25) 11 (45) (78)
Purchases 1,032 511 1,178 1,217
Sales (88) (182) (291) (359)
Issuances 0 0 0 0
Settlements 0 0 0 0
Transfers into Level 3 102 215 144 169
Transfers out of Level 3 (1,627) (1,669) (1,016) (5,876)
Balance, end of period 3,468 3,700 3,468 3,700
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period 10 9 4 10
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period (27) 10 (48) 45
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]        
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period 10 9 4 10
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period (27) 10 (48) 45
Equity Securities        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance, beginning of period 348 248 317 236
Total realized/unrealized gains (losses) included in net income (loss) 1 16 12 9
Total realized/unrealized gains (losses) included in AOCI 0 0 0 0
Purchases 16 20 30 30
Sales (2) (32) (13) (23)
Issuances 0 0 0 0
Settlements 0 0 0 0
Transfers into Level 3 0 0 1 0
Transfers out of Level 3 (16) 0 0 0
Balance, end of period 347 252 347 252
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period 8 16 12 15
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period 0 0 0 0
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]        
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period 8 16 12 15
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period 0 0 0 0
Unit-linked and FVO Securities        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance, beginning of period 1,515 1,175 1,459 1,190
Total realized/unrealized gains (losses) included in net income (loss) 163 94 80 76
Total realized/unrealized gains (losses) included in AOCI 0 0 0 0
Purchases 140 95 265 102
Sales (130) (99) (118) (103)
Issuances 0 0 0 0
Settlements 0 0 0 0
Transfers into Level 3 200 0 200 0
Transfers out of Level 3 (20) 0 (18) 0
Balance, end of period 1,868 1,265 1,868 1,265
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period 149 94 66 81
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period 0 0 0 0
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]        
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period 149 94 66 81
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period 0 0 0 0
Short-term Investments        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance, beginning of period 101 9 42 5
Total realized/unrealized gains (losses) included in net income (loss) 0 0 0 0
Total realized/unrealized gains (losses) included in AOCI 0 0 (3) 1
Purchases 22 5 34 6
Sales (4) 0 (5) (3)
Issuances 0 0 0 0
Settlements 0 0 0 0
Transfers into Level 3 0 0 0 0
Transfers out of Level 3 (57) (6) (6) (1)
Balance, end of period 62 8 62 8
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period 0 0 0 0
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period 0 0 0 1
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]        
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period 0 0 0 0
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period 0 0 0 1
Other Investments        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance, beginning of period 1,133 1,121 1,137 1,010
Total realized/unrealized gains (losses) included in net income (loss) 55 (18) (35) (16)
Total realized/unrealized gains (losses) included in AOCI 0 0 0 0
Purchases 11 61 142 208
Sales (14) (31) (59) (69)
Issuances 0 0 0 0
Settlements 0 0 0 0
Transfers into Level 3 0 20 0 20
Transfers out of Level 3 0 0 0 0
Balance, end of period 1,185 1,153 1,185 1,153
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period 49 (32) (38) (32)
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period 0 0 0 0
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]        
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period 49 (32) (38) (32)
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period 0 0 0 0
Separate Accounts        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance, beginning of period 794 972 891 990
Total realized/unrealized gains (losses) included in net income (loss) 2 (19) (9) (14)
Total realized/unrealized gains (losses) included in AOCI 0 0 0 0
Purchases 17 97 37 103
Sales (39) (69) (116) (92)
Issuances 0 0 0 0
Settlements 0 0 0 0
Transfers into Level 3 0 1 1 1
Transfers out of Level 3 0 (5) (30) (11)
Balance, end of period 774 977 774 977
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period 0 0 0 0
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period 0 0 0 0
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]        
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period 0 0 0 0
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period 0 0 0 0
Notes Issued by Consolidated VIE        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance, beginning of period (1,138) 0 (1,206) 0
Total realized/unrealized gains (losses) included in net income (loss) 12 0 12 0
Total realized/unrealized gains (losses) included in AOCI 0 0 0 0
Purchases 0 0 0 0
Sales 0 0 0 0
Issuances (574) 0 (574) 0
Settlements 203 0 271 0
Transfers into Level 3 0 0 0 0
Transfers out of Level 3 0 0 0 0
Balance, end of period (1,497) 0 (1,497) 0
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period 12 0 12 0
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period 0 0 0 0
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]        
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period 12 0 12 0
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period $ 0 $ 0 $ 0 $ 0