v3.26.1
Derivatives (Derivatives Pertaining to Hedged Items) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Derivative Instruments, Gain (Loss) [Line Items]        
Net Derivative Gains (Losses) Recognized for Derivatives $ (477) $ (1,237) $ (986) $ (926)
Net Derivative Gains (Losses) Recognized for Hedged Items (2) 13 (6) 11
Net investment income 1,241 1,285 2,499 2,582
Policyholder Benefits and Claims 0 1 0 2
Amount of Gains (Losses) Deferred in AOCI (55) (256) 43 (273)
Investments        
Derivative Instruments, Gain (Loss) [Line Items]        
Net investment income 11 8 23 22
Net Derivative Gains (Losses) Recognized for Derivatives        
Derivative Instruments, Gain (Loss) [Line Items]        
Net Derivative Gains (Losses) Recognized for Derivatives (475) (1,250) (980) (937)
Derivatives Not Designated or Not Qualifying as Hedging Instruments:        
Derivative Instruments, Gain (Loss) [Line Items]        
Net Derivative Gains (Losses) Recognized for Derivatives (479) (1,250) (982) (943)
Net Derivative Gains (Losses) Recognized for Hedged Items (1) 13 (4) 14
Net investment income 0 0 0 0
Policyholder Benefits and Claims 0 0 0 0
Amount of Gains (Losses) Deferred in AOCI 0 0 0 0
Cash flow hedges:        
Derivative Instruments, Gain (Loss) [Line Items]        
Net Derivative Gains (Losses) Recognized for Derivatives 4 0 2 6
Net Derivative Gains (Losses) Recognized for Hedged Items (1) 0 (2) (3)
Net investment income 11 8 23 22
Policyholder Benefits and Claims 0 1 0 2
Amount of Gains (Losses) Deferred in AOCI (55) (256) 43 (273)
Interest rate | Derivatives Not Designated or Not Qualifying as Hedging Instruments:        
Derivative Instruments, Gain (Loss) [Line Items]        
Net Derivative Gains (Losses) Recognized for Derivatives (115) (386) (305) 2
Net Derivative Gains (Losses) Recognized for Hedged Items 0 0 0 0
Net investment income 0 0 0 0
Policyholder Benefits and Claims 0 0 0 0
Amount of Gains (Losses) Deferred in AOCI 0 0 0 0
Interest rate | Cash flow hedges:        
Derivative Instruments, Gain (Loss) [Line Items]        
Net Derivative Gains (Losses) Recognized for Derivatives 1 0 1 3
Net Derivative Gains (Losses) Recognized for Hedged Items 0 0 0 0
Net investment income 0 0 1 1
Policyholder Benefits and Claims 0 1 0 2
Amount of Gains (Losses) Deferred in AOCI 4 (5) 8 (12)
Foreign currency exchange rate | Derivatives Not Designated or Not Qualifying as Hedging Instruments:        
Derivative Instruments, Gain (Loss) [Line Items]        
Net Derivative Gains (Losses) Recognized for Derivatives (6) (63) 21 (78)
Net Derivative Gains (Losses) Recognized for Hedged Items (1) 13 (4) 14
Net investment income 0 0 0 0
Policyholder Benefits and Claims 0 0 0 0
Amount of Gains (Losses) Deferred in AOCI 0 0 0 0
Foreign currency exchange rate | Cash flow hedges:        
Derivative Instruments, Gain (Loss) [Line Items]        
Net Derivative Gains (Losses) Recognized for Derivatives 3 0 1 3
Net Derivative Gains (Losses) Recognized for Hedged Items (1) 0 (2) (3)
Net investment income 11 8 22 21
Policyholder Benefits and Claims 0 0 0 0
Amount of Gains (Losses) Deferred in AOCI (59) (251) 35 (261)
Credit | Derivatives Not Designated or Not Qualifying as Hedging Instruments:        
Derivative Instruments, Gain (Loss) [Line Items]        
Net Derivative Gains (Losses) Recognized for Derivatives 7 8 6 7
Net Derivative Gains (Losses) Recognized for Hedged Items 0 0 0 0
Net investment income 0 0 0 0
Policyholder Benefits and Claims 0 0 0 0
Amount of Gains (Losses) Deferred in AOCI 0 0 0 0
Equity market | Derivatives Not Designated or Not Qualifying as Hedging Instruments:        
Derivative Instruments, Gain (Loss) [Line Items]        
Net Derivative Gains (Losses) Recognized for Derivatives 2,965 1,352 1,814 110
Net Derivative Gains (Losses) Recognized for Hedged Items 0 0 0 0
Net investment income 0 0 0 0
Policyholder Benefits and Claims 0 0 0 0
Amount of Gains (Losses) Deferred in AOCI 0 0 0 0
Embedded | Derivatives Not Designated or Not Qualifying as Hedging Instruments:        
Derivative Instruments, Gain (Loss) [Line Items]        
Net Derivative Gains (Losses) Recognized for Derivatives (3,330) (2,161) (2,518) (984)
Net Derivative Gains (Losses) Recognized for Hedged Items 0 0 0 0
Net investment income 0 0 0 0
Policyholder Benefits and Claims 0 0 0 0
Amount of Gains (Losses) Deferred in AOCI $ 0 $ 0 $ 0 $ 0