v3.24.2
Accumulated Other Comprehensive (Loss) Income - Reconciliation of the Components of Accumulated Other Comprehensive Loss (Parenthetical) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Other comprehensive income attributable to noncontrolling interests, tax $ 0 $ 0 $ 0 $ 0
Net gain (loss) recognized in other comprehensive income, tax (expense) benefit 7 32 22 (72)
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Including Noncontrolling Interest        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Other comprehensive income (loss) before reclassifications, tax 26 61 75 (25)
Reclassification from AOCI, current period, tax 17 23 49 51
Non-credit components of impairments on investments:        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Net gain (loss) recognized in other comprehensive income, tax (expense) benefit 0 0 0 1
Net cash flow hedges:        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Net gain (loss) recognized in other comprehensive income, tax (expense) benefit (1) (1) (2) 7
Pension and other postretirement benefits:        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Net gain (loss) recognized in other comprehensive income, tax (expense) benefit (1) (1) (2) (2)
Future policy benefits:        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Net gain (loss) recognized in other comprehensive income, tax (expense) benefit 0 1 0 1
Foreign currency translation adjustments:        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Net gain (loss) recognized in other comprehensive income, tax (expense) benefit 0 (5) 0 (3)
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Noncontrolling Interest        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Other comprehensive income attributable to noncontrolling interests, tax $ 0 $ 0 $ 0 $ 0