v3.26.1
Shares and Stockholders’ Equity - Components and Changes in AOCI (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Change in our unrealized gain on derivative instruments in accumulated OCI    
Balance as of beginning-of-period $ 10,906  
Balance as of end-of-period 11,349 $ 9,548
Unrealized Gain (Loss) on Fixed Maturity AFS Securities and Certain    
Change in our unrealized gain on derivative instruments in accumulated OCI    
Balance as of beginning-of-period (4,413) (6,239)
Income tax benefit (expense) 218 (268)
Reclassification adjustment for gains (losses) included in net income (loss) (153) (117)
Income tax benefit (expense) 32 25
Balance as of end-of-period (5,107) (5,146)
Unrealized holding gains (losses) arising during the year    
Change in our unrealized gain on derivative instruments in accumulated OCI    
Changes arising during the year (786) 1,083
Change in foreign currency exchange rate adjustment    
Change in our unrealized gain on derivative instruments in accumulated OCI    
Changes arising during the year (92) 483
Change in future contract benefits and policyholder account balances, net of reinsurance    
Change in our unrealized gain on derivative instruments in accumulated OCI    
Changes arising during the year (155) (297)
Unrealized Gain (Loss) on Derivative Instruments    
Change in our unrealized gain on derivative instruments in accumulated OCI    
Balance as of beginning-of-period 450 638
Income tax benefit (expense) (19) 57
Reclassification adjustment for gains (losses) included in net income (loss) 36 39
Income tax benefit (expense) (8) (8)
Balance as of end-of-period 486 396
Unrealized holding gains (losses) arising during the period - cash flow hedges    
Change in our unrealized gain on derivative instruments in accumulated OCI    
Changes arising during the year (4) 206
Change in foreign currency exchange rate adjustment    
Change in our unrealized gain on derivative instruments in accumulated OCI    
Changes arising during the year 87 (474)
Market Risk Benefit Non-Performance Risk Gain (Loss)    
Change in our unrealized gain on derivative instruments in accumulated OCI    
Balance as of beginning-of-period (262) 146
Adjustment arising during the year 47 (42)
Income tax benefit (expense) (9) 10
Balance as of end-of-period (224) 114
Policyholder Liability Discount Rate Remeasurement Gain (Loss)    
Change in our unrealized gain on derivative instruments in accumulated OCI    
Balance as of beginning-of-period 480 744
Adjustment arising during the year 127 (222)
Income tax benefit (expense) (27) 47
Balance as of end-of-period 580 569
Foreign Currency Translation Adjustment    
Change in our unrealized gain on derivative instruments in accumulated OCI    
Balance as of beginning-of-period (18) (29)
Foreign currency translation adjustment arising during the year (2) 15
Balance as of end-of-period (20) (14)
Funded Status of Employee Benefit Plans    
Change in our unrealized gain on derivative instruments in accumulated OCI    
Balance as of beginning-of-period (295) (296)
Adjustment arising during the year 2 (15)
Balance as of end-of-period $ (293) $ (311)