v3.26.1
Accumulated Other Comprehensive Income (AOCI) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
AOCI, Net of Tax        
Beginning balance     $ 15,911  
Ending balance $ 16,671 $ 14,301 16,671 $ 14,301
AOCI on Net Unrecognized Investment Gain (Loss)        
AOCI, Before Tax        
AOCI, before tax, beginning of period (401) (486) (181) (553)
Other comprehensive income before reclassification, before tax 79 16 (141) 81
Reclassification adjustment, before tax (5) 12 (5) 14
Effect on other comprehensive income, before tax 74 28 (146) 95
AOCI, before tax, end of period (327) (458) (327) (458)
AOCI, Tax        
AOCI, tax, beginning of period (86) (105) (40) (119)
Other comprehensive income before reclassification, tax 17 3 (29) 17
Reclassification adjustment, tax (1) 3 (1) 3
Effect on other comprehensive income, tax 16 6 (30) 20
AOCI, tax, end of period (70) (99) (70) (99)
AOCI, Net of Tax        
Beginning balance (315) (381) (141) (434)
Other comprehensive income before reclassification, net of tax 62 13 (112) 64
Reclassification adjustment, net of tax (4) 9 (4) 11
Effect on other comprehensive income, net of tax 58 22 (116) 75
Ending balance (257) (359) (257) (359)
AOCI on Pension Obligations        
AOCI, Before Tax        
AOCI, before tax, beginning of period 84 74 85 75
Other comprehensive income before reclassification, before tax 0 0 0 0
Reclassification adjustment, before tax (1) (1) (2) (2)
Effect on other comprehensive income, before tax (1) (1) (2) (2)
AOCI, before tax, end of period 83 73 83 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 65 57 66 58
Other comprehensive income before reclassification, net of tax 0 0 0 0
Reclassification adjustment, net of tax (1) (1) (2) (2)
Effect on other comprehensive income, net of tax (1) (1) (2) (2)
Ending balance 64 56 64 56
AOCI on Life Policy Reserves, Reinsurance Recoverable And Other        
AOCI, Before Tax        
AOCI, before tax, beginning of period 82 68 52 85
Other comprehensive income before reclassification, before tax (10) 1 20 (16)
Reclassification adjustment, before tax 0 0 0 0
Effect on other comprehensive income, before tax (10) 1 20 (16)
AOCI, before tax, end of period 72 69 72 69
AOCI, Tax        
AOCI, tax, beginning of period 17 15 11 18
Other comprehensive income before reclassification, tax (3) 0 3 (3)
Reclassification adjustment, tax 0 0 0 0
Effect on other comprehensive income, tax (3) 0 3 (3)
AOCI, tax, end of period 14 15 14 15
AOCI, Net of Tax        
Beginning balance 65 53 41 67
Other comprehensive income before reclassification, net of tax (7) 1 17 (13)
Reclassification adjustment, net of tax 0 0 0 0
Effect on other comprehensive income, net of tax (7) 1 17 (13)
Ending balance 58 54 58 54
Summary of AOCI        
AOCI, Before Tax        
AOCI, before tax, beginning of period (235) (344) (44) (393)
Change in unrealized gains, net, on investments available for sale, before tax 74 28 (146) 95
Change in pension obligations, before tax (1) (1) (2) (2)
Change in life policy reserves, reinsurance recoverable and other, before tax (10) 1 20 (16)
Effect on other comprehensive income, before tax 63 28 (128) 77
AOCI, before tax, end of period (172) (316) (172) (316)
AOCI, Tax        
AOCI, tax, beginning of period (50) (73) (10) (84)
Change in unrealized gains, net, on investments available for sale, tax 16 6 (30) 20
Change in pension obligations, tax 0 0 0 0
Change in Life Policy Reserves, Reinsurance Recoverable and Other, Tax (3) 0 3 (3)
Effect on other comprehensive income, tax 13 6 (27) 17
AOCI, tax, end of period (37) (67) (37) (67)
AOCI, Net of Tax        
Beginning balance (185) (271) (34) (309)
Change in unrealized gains, net, on investments available for sale, net of tax 58 22 (116) 75
Change in pension obligations, net of tax (1) (1) (2) (2)
Change in Life Policy Reserves, Reinsurance Recoverable and Other, Net of Tax (7) 1 17 (13)
Effect on other comprehensive income, net of tax 50 22 (101) 60
Ending balance $ (135) $ (249) $ (135) $ (249)