v3.26.3
SHAREHOLDERS' EQUITY - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance     $ 18,898  
Ending balance $ 17,751 $ 19,021 $ 17,751 $ 19,021
Dividends declared per common share (in dollars per share) $ 0.47 $ 0.36 $ 1.41 $ 1.08
Accumulated other comprehensive income (loss)        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance $ (4,948) $ (4,024) $ (4,798) $ (3,861)
Ending balance (5,056) (4,347) (5,056) (4,347)
Currency translation adjustments AOCI        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Other comprehensive income (loss) 7 (36) 9 (55)
Ending balance (1,506) (1,527) (1,506) (1,527)
Currency translation adjustments, including noncontrolling interests        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance (1,512) (1,491) (1,515) (1,472)
AOCI before reclasses, net of taxes 7 (36) 9 (55)
Other comprehensive income (loss) 7 (36) 9 (55)
AOCI before reclasses, taxes (11) (16) 41 (155)
Benefit plans AOCI        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Other comprehensive income (loss) (107) (119) (283) (446)
Ending balance (500) 219 (500) 219
Benefit plans, including noncontrolling interests        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance (393) 338 (217) 665
AOCI before reclasses, net of taxes (5) 4 13 (81)
Reclasses from AOCI, net of taxes (102) (123) (296) (365)
Other comprehensive income (loss) (107) (119) (283) (446)
AOCI before reclasses, taxes (1) 2 5 (23)
Reclasses from AOCI, taxes (34) (35) (95) (104)
Investment securities and cash flow hedges AOCI        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Other comprehensive income (loss) (1,877) 415 (2,234) 843
Ending balance (3,469) (1,142) (3,469) (1,142)
Investment securities and cash flow hedges, including noncontrolling interests        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance (1,592) (1,557) (1,236) (1,985)
AOCI before reclasses, net of taxes (1,862) 438 (2,249) 875
Reclasses from AOCI, net of taxes (14) (23) 16 (32)
Other comprehensive income (loss) (1,877) 415 (2,234) 843
AOCI before reclasses, taxes (495) 102 (596) 227
Reclasses from AOCI, taxes 1 (3) 2 (1)
Long-duration insurance contracts        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance (1,450) (1,314) (1,831) (1,070)
AOCI before reclasses, net of taxes 1,869 (584) 2,250 (828)
Other comprehensive income (loss) 1,869 (584) 2,250 (828)
Ending balance 419 (1,898) 419 (1,898)
AOCI before reclasses, taxes $ 497 $ (155) $ 598 $ (220)