v3.26.3
Accumulated Other Comprehensive Income (AOCI) (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
AOCI, Net of Tax        
Beginning balance     $ 15,911  
Ending balance $ 16,182 $ 15,406 16,182 $ 15,406
AOCI on Net Unrecognized Investment Gain (Loss)        
AOCI, Before Tax        
AOCI, before tax, beginning of period (327) (458) (181) (553)
Other comprehensive income before reclassification, before tax (1,170) 242 (1,311) 323
Reclassification adjustment, before tax 8 (1) 3 13
Effect on other comprehensive income, before tax (1,162) 241 (1,308) 336
AOCI, before tax, end of period (1,489) (217) (1,489) (217)
AOCI, Tax        
AOCI, tax, beginning of period (70) (99) (40) (119)
Other comprehensive income before reclassification, tax (251) 51 (280) 68
Reclassification adjustment, tax 2 0 1 3
Effect on other comprehensive income, tax (249) 51 (279) 71
AOCI, tax, end of period (319) (48) (319) (48)
AOCI, Net of Tax        
Beginning balance (257) (359) (141) (434)
Other comprehensive income before reclassification, net of tax (919) 191 (1,031) 255
Reclassification adjustment, net of tax 6 (1) 2 10
Effect on other comprehensive income, net of tax (913) 190 (1,029) 265
Ending balance (1,170) (169) (1,170) (169)
AOCI on Pension Obligations        
AOCI, Before Tax        
AOCI, before tax, beginning of period 83 73 85 75
Other comprehensive income before reclassification, before tax 0 0 0 0
Reclassification adjustment, before tax (1) 0 (3) (2)
Effect on other comprehensive income, before tax (1) 0 (3) (2)
AOCI, before tax, end of period 82 73 82 73
AOCI, Tax        
AOCI, tax, beginning of period 19 17 19 17
Other comprehensive income before reclassification, tax 0 0 0 0
Reclassification adjustment, tax 0 0 0 0
Effect on other comprehensive income, tax 0 0 0 0
AOCI, tax, end of period 19 17 19 17
AOCI, Net of Tax        
Beginning balance 64 56 66 58
Other comprehensive income before reclassification, net of tax 0 0 0 0
Reclassification adjustment, net of tax (1) 0 (3) (2)
Effect on other comprehensive income, net of tax (1) 0 (3) (2)
Ending balance 63 56 63 56
AOCI on Life Policy Reserves, Reinsurance Recoverable And Other        
AOCI, Before Tax        
AOCI, before tax, beginning of period 72 69 52 85
Other comprehensive income before reclassification, before tax 125 (32) 145 (48)
Reclassification adjustment, before tax 0 0 0 0
Effect on other comprehensive income, before tax 125 (32) 145 (48)
AOCI, before tax, end of period 197 37 197 37
AOCI, Tax        
AOCI, tax, beginning of period 14 15 11 18
Other comprehensive income before reclassification, tax 27 (7) 30 (10)
Reclassification adjustment, tax 0 0 0 0
Effect on other comprehensive income, tax 27 (7) 30 (10)
AOCI, tax, end of period 41 8 41 8
AOCI, Net of Tax        
Beginning balance 58 54 41 67
Other comprehensive income before reclassification, net of tax 98 (25) 115 (38)
Reclassification adjustment, net of tax 0 0 0 0
Effect on other comprehensive income, net of tax 98 (25) 115 (38)
Ending balance 156 29 156 29
Summary of AOCI        
AOCI, Before Tax        
AOCI, before tax, beginning of period (172) (316) (44) (393)
Change in unrealized gains, net, on investments available for sale, before tax (1,162) 241 (1,308) 336
Change in pension obligations, before tax (1) 0 (3) (2)
Change in life policy reserves, reinsurance recoverable and other, before tax 125 (32) 145 (48)
Effect on other comprehensive income, before tax (1,038) 209 (1,166) 286
AOCI, before tax, end of period (1,210) (107) (1,210) (107)
AOCI, Tax        
AOCI, tax, beginning of period (37) (67) (10) (84)
Change in unrealized gains, net, on investments available for sale, tax (249) 51 (279) 71
Change in pension obligations, tax 0 0 0 0
Change in Life Policy Reserves, Reinsurance Recoverable and Other, Tax 27 (7) 30 (10)
Effect on other comprehensive income, tax (222) 44 (249) 61
AOCI, tax, end of period (259) (23) (259) (23)
AOCI, Net of Tax        
Beginning balance (135) (249) (34) (309)
Change in unrealized gains, net, on investments available for sale, net of tax (913) 190 (1,029) 265
Change in pension obligations, net of tax (1) 0 (3) (2)
Change in Life Policy Reserves, Reinsurance Recoverable and Other, Net of Tax 98 (25) 115 (38)
Effect on other comprehensive income, net of tax (816) 165 (917) 225
Ending balance $ (951) $ (84) $ (951) $ (84)