v3.26.1
Fair Value of Financial Instruments - Schedule of Liabilities Measured at Fair Value on Recurring Basis and Utilized Significant Unobservable (Level 3) Inputs to Determine Fair Value (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning balance $ 259 $ 202 $ 259 $ 241
Total realized and unrealized (gains) losses, Included in net (income) 4 18 3 9
Total realized and unrealized (gains) losses, Included in OCI (13) 46 (5) 23
Purchases 0 0 0 0
Sales 0 0 0 0
Issuances 0 0 0 0
Settlements (4) (6) (10) (12)
Transfer into Level 3 0 0 0 0
Transfer out of Level 3 0 (1) (1) (2)
Ending balance 246 259 246 259
Total (gains) losses included in net (income) attributable to liabilities still held, Included in net (income) 4 18 3 9
Total (gains) losses included in OCI attributable to liabilities still held, Included in OCI $ (13) $ 46 $ (5) $ 24
Fair value recurring basis unobservable input reconciliation liability gain (loss) statement of other comprehensive income extensible list not disclosed flag Includedin OCI Includedin OCI Includedin OCI Includedin OCI
Derivative liabilities:        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning balance $ 116 $ 44 $ 107 $ 71
Total realized and unrealized (gains) losses, Included in net (income) (3) 12 (2) 8
Total realized and unrealized (gains) losses, Included in OCI (13) 46 (5) 23
Purchases 0 0 0 0
Sales 0 0 0 0
Issuances 0 0 0 0
Settlements 0 0 0 0
Transfer into Level 3 0 0 0 0
Transfer out of Level 3 0 0 0 0
Ending balance 100 102 100 102
Total (gains) losses included in net (income) attributable to liabilities still held, Included in net (income) (3) 12 (2) 8
Total (gains) losses included in OCI attributable to liabilities still held, Included in OCI (13) 46 (5) 24
Forward bond purchase commitments | Derivative liabilities:        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning balance 116 44 107 71
Total realized and unrealized (gains) losses, Included in net (income) (3) 12 (2) 8
Total realized and unrealized (gains) losses, Included in OCI (13) 46 (5) 23
Purchases 0 0 0 0
Sales 0 0 0 0
Issuances 0 0 0 0
Settlements 0 0 0 0
Transfer into Level 3 0 0 0 0
Transfer out of Level 3 0 0 0 0
Ending balance 100 102 100 102
Total (gains) losses included in net (income) attributable to liabilities still held, Included in net (income) (3) 12 (2) 8
Total (gains) losses included in OCI attributable to liabilities still held, Included in OCI (13) 46 (5) 24
Policyholder account balances:        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning balance 143 158 152 170
Total realized and unrealized (gains) losses, Included in net (income) 7 6 5 1
Total realized and unrealized (gains) losses, Included in OCI 0 0 0 0
Purchases 0 0 0 0
Sales 0 0 0 0
Issuances 0 0 0 0
Settlements (4) (6) (10) (12)
Transfer into Level 3 0 0 0 0
Transfer out of Level 3 0 (1) (1) (2)
Ending balance 146 157 146 157
Total (gains) losses included in net (income) attributable to liabilities still held, Included in net (income) 7 6 5 1
Total (gains) losses included in OCI attributable to liabilities still held, Included in OCI 0 0 0 0
Policyholder account balances: | Fixed indexed annuity embedded derivatives        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning balance 130 145 138 155
Total realized and unrealized (gains) losses, Included in net (income) 6 6 4 2
Total realized and unrealized (gains) losses, Included in OCI 0 0 0 0
Purchases 0 0 0 0
Sales 0 0 0 0
Issuances 0 0 0 0
Settlements (4) (6) (9) (11)
Transfer into Level 3 0 0 0 0
Transfer out of Level 3 0 (1) (1) (2)
Ending balance 132 144 132 144
Total (gains) losses included in net (income) attributable to liabilities still held, Included in net (income) 6 6 4 2
Total (gains) losses included in OCI attributable to liabilities still held, Included in OCI 0 0 0 0
Policyholder account balances: | Indexed universal life embedded derivatives        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning balance 13 13 14 15
Total realized and unrealized (gains) losses, Included in net (income) 1 0 1 (1)
Total realized and unrealized (gains) losses, Included in OCI 0 0 0 0
Purchases 0 0 0 0
Sales 0 0 0 0
Issuances 0 0 0 0
Settlements 0 0 (1) (1)
Transfer into Level 3 0 0 0 0
Transfer out of Level 3 0 0 0 0
Ending balance 14 13 14 13
Total (gains) losses included in net (income) attributable to liabilities still held, Included in net (income) 1 0 1 (1)
Total (gains) losses included in OCI attributable to liabilities still held, Included in OCI $ 0 $ 0 $ 0 $ 0