v3.26.1
Equity (Components of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning Balance $ 8,098 $ 6,148
OCI before reclassifications (545) 731
Deferred income tax benefit (expense) (2) 115 (153)
AOCI before reclassifications, net of income tax (4,032) (4,585)
Amounts reclassified from AOCI 23 21
Deferred income tax benefit (expense) (2) (5) (5)
Amounts reclassified from AOCI, net of income tax 18 16
Ending Balance 6,895 6,555
Unrealized Investment Gains (Losses), Net of Related Offsets (1)    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning Balance (3,414) (5,046)
OCI before reclassifications (944) 913
Deferred income tax benefit (expense) (2) 198 (191)
AOCI before reclassifications, net of income tax (4,160) (4,324)
Amounts reclassified from AOCI 22 28
Deferred income tax benefit (expense) (2) (5) (6)
Amounts reclassified from AOCI, net of income tax 17 22
Ending Balance (4,143) (4,302)
Unrealized Gains (Losses) on Derivatives    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning Balance 173 364
OCI before reclassifications 97 (16)
Deferred income tax benefit (expense) (2) (20) 3
AOCI before reclassifications, net of income tax 250 351
Amounts reclassified from AOCI 1 (7)
Deferred income tax benefit (expense) (2) 0 1
Amounts reclassified from AOCI, net of income tax 1 (6)
Ending Balance 251 345
Changes in Nonperformance Risk on Market Risk Benefits    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning Balance (1,255) (1,602)
OCI before reclassifications 110 (27)
Deferred income tax benefit (expense) (2) (23) 6
AOCI before reclassifications, net of income tax (1,168) (1,623)
Amounts reclassified from AOCI 0 0
Deferred income tax benefit (expense) (2) 0 0
Amounts reclassified from AOCI, net of income tax 0 0
Ending Balance (1,168) (1,623)
Changes in Discount Rates on the Liability for Future Policy Benefits    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning Balance 885 1,146
OCI before reclassifications 200 (155)
Deferred income tax benefit (expense) (2) (42) 32
AOCI before reclassifications, net of income tax 1,043 1,023
Amounts reclassified from AOCI 0 0
Deferred income tax benefit (expense) (2) 0 0
Amounts reclassified from AOCI, net of income tax 0 0
Ending Balance 1,043 1,023
Foreign Currency Translation Adjustments    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning Balance 9 (25)
OCI before reclassifications (8) 16
Deferred income tax benefit (expense) (2) 2 (3)
AOCI before reclassifications, net of income tax 3 (12)
Amounts reclassified from AOCI 0 0
Deferred income tax benefit (expense) (2) 0 0
Amounts reclassified from AOCI, net of income tax 0 0
Ending Balance 3 (12)
AOCI Attributable to Parent    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning Balance (3,602) (5,163)
Ending Balance $ (4,014) $ (4,569)