v3.26.1
Equity - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning Balance $ 33,700 $ 27,774 $ 35,638 $ 25,874
Other comprehensive income (loss), before reclassifications, before tax 228 1,215 (625) 2,379
Reclassification adjustments for gains (losses) realized in net income 546 (71) 483 (252)
Income tax expense related to other comprehensive income (loss) (68) 260 (218) 533
Less: Other comprehensive income (loss) attributable to noncontrolling interests, net of tax (157) 153 (318) 321
Ending Balance 34,805 29,204 34,805 29,204
AOCI, Gain (Loss), Debt Securities, Available-for-Sale, without Allowance for Credit Loss, Parent        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning Balance (7,579) (8,214) (6,372) (9,171)
Ending Balance (7,390) (7,381) (7,390) (7,381)
AOCI, Gain (Loss), Debt Securities, Available-for-sale, with Allowance for Credit Loss, Including Noncontrolling Interest        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Other comprehensive income (loss), before reclassifications, before tax 784 1,258 (1,305) 2,596
Reclassification adjustments for gains (losses) realized in net income 542 (77) 481 (268)
Income tax expense related to other comprehensive income (loss) 46 268 (360) 580
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Noncontrolling Interest        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Less: Other comprehensive income (loss) attributable to noncontrolling interests, net of tax 7 234 (408) 494
AOCI, Gain (Loss), Debt Securities, Available-for-sale, with Allowance for Credit Loss, Parent        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning Balance (249) (313) (252) (284)
Ending Balance (197) (270) (197) (270)
AOCI, Gain (Loss), Debt Securities, Available-for-sale, with Allowance for Credit Loss, Including Noncontrolling Interest        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Other comprehensive income (loss), before reclassifications, before tax 61 58 48 21
Reclassification adjustments for gains (losses) realized in net income (4) (3) (13) (3)
Income tax expense related to other comprehensive income (loss) 13 13 12 5
AOCI, Accumulated Gain (Loss), Debt Securities, with credit allowance, portion attributable to NCI        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Less: Other comprehensive income (loss) attributable to noncontrolling interests, net of tax 0 5 (6) 5
AOCI, Liability for Future Policy Benefit, Parent        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning Balance 4,631 3,986 4,137 4,235
Ending Balance 4,533 4,043 4,533 4,043
Accumulated Other Comprehensive Income (Loss), Derivative Qualifying as Hedge, Excluded Component, Including Portion Attributable to Noncontrolling Interest        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Other comprehensive income (loss), before reclassifications, before tax (228) 1 (91) 240
Reclassification adjustments for gains (losses) realized in net income 8 9 15 19
Income tax expense related to other comprehensive income (loss) (50) (2) (22) 46
AOCI, Market Risk Benefit, Instrument-Specific Credit Risk, Parent [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning Balance (28) (23) (169) (103)
Ending Balance (145) (115) (145) (115)
AOCI, Derivative Qualifying as Hedge, Excluded Component, Parent        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning Balance 80 (1) (18) (120)
Ending Balance (30) (27) (30) (27)
Accumulated Foreign Currency Adjustment Attributable to Parent        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning Balance 25 4 33 (22)
Ending Balance 16 62 16 62
Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Other comprehensive income (loss), before reclassifications, before tax (10) 78 (23) 114
Reclassification adjustments for gains (losses) realized in net income 0 0 0 0
Income tax expense related to other comprehensive income (loss) (2) 15 (4) 22
AOCI, Derivative Qualifying as Hedge, Excluded Component, Noncontrolling Interest        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Less: Other comprehensive income (loss) attributable to noncontrolling interests, net of tax (76) 20 (72) 82
AOCI, Liability for Future Policy Benefit, Noncontrolling Interest        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Less: Other comprehensive income (loss) attributable to noncontrolling interests, net of tax (63) (96) 166 (265)
AOCI, Market Risk Benefit, Instrument-Specific Credit Risk, Noncontrolling Interest        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Less: Other comprehensive income (loss) attributable to noncontrolling interests, net of tax (26) (15) 4 (3)
Accumulated Foreign Currency Adjustment Attributable to Noncontrolling Interest        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Less: Other comprehensive income (loss) attributable to noncontrolling interests, net of tax 1 5 (2) 8
AOCI, Liability for Future Policy Benefit, Including portion attributable to Noncontrolling Interest        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Other comprehensive income (loss), before reclassifications, before tax (199) (45) 710 (573)
Reclassification adjustments for gains (losses) realized in net income 0 0 0 0
Income tax expense related to other comprehensive income (loss) (38) (6) 148 (116)
AOCI, Market Risk Benefit, Instrument-Specific Credit Risk, Including        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Other comprehensive income (loss), before reclassifications, before tax (180) (135) 36 (19)
Reclassification adjustments for gains (losses) realized in net income 0 0 0 0
Income tax expense related to other comprehensive income (loss) (37) (28) 8 (4)
Accumulated other comprehensive income (loss)        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning Balance (3,120) (4,561) (2,641) (5,465)
Ending Balance $ (3,213) $ (3,688) $ (3,213) $ (3,688)