v3.26.1
SHAREHOLDERS' EQUITY - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance     $ 18,898  
Ending balance $ 17,867 $ 19,345 $ 17,867 $ 19,345
Dividends declared per common share (in dollars per share) $ 0.47 $ 0.36 $ 0.94 $ 0.72
Accumulated other comprehensive income (loss)        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance $ (4,486) $ (3,733) $ (4,798) $ (3,861)
Ending balance (4,948) (4,024) (4,948) (4,024)
Currency translation adjustments AOCI        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Other comprehensive income (loss) (3) (12) 2 (19)
Ending balance (1,512) (1,491) (1,512) (1,491)
Currency translation adjustments, including noncontrolling interests        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance (1,509) (1,478) (1,515) (1,472)
AOCI before reclasses, net of taxes (3) (12) 2 (19)
Other comprehensive income (loss) (3) (12) 2 (19)
AOCI before reclasses, taxes 22 (100) 51 (140)
Benefit plans AOCI        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Other comprehensive income (loss) (92) (193) (176) (327)
Ending balance (393) 338 (393) 338
Benefit plans, including noncontrolling interests        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance (301) 531 (217) 665
AOCI before reclasses, net of taxes 11 (70) 18 (85)
Reclasses from AOCI, net of taxes (102) (122) (194) (241)
Other comprehensive income (loss) (92) (192) (176) (325)
AOCI before reclasses, taxes 3 (21) 6 (25)
Reclasses from AOCI, taxes (30) (34) (61) (69)
Investment securities and cash flow hedges AOCI        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Other comprehensive income (loss) 145 110 (357) 428
Ending balance (1,592) (1,557) (1,592) (1,557)
Investment securities and cash flow hedges, including noncontrolling interests        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance (1,737) (1,667) (1,236) (1,985)
AOCI before reclasses, net of taxes 103 114 (387) 437
Reclasses from AOCI, net of taxes 42 (4) 30 (9)
Other comprehensive income (loss) 145 110 (357) 428
AOCI before reclasses, taxes 32 39 (101) 125
Reclasses from AOCI, taxes 0 2 2 1
Long-duration insurance contracts        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance (939) (1,118) (1,831) (1,070)
AOCI before reclasses, net of taxes (512) (196) 381 (244)
Other comprehensive income (loss) (512) (196) 381 (244)
Ending balance (1,450) (1,314) (1,450) (1,314)
AOCI before reclasses, taxes $ (136) $ (52) $ 101 $ (65)