v3.26.3
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (AOCI) AND COMMON STOCK - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ 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 $ 13,115 $ 9,947 $ 12,296 $ 10,593
AOCI before reclass, net of taxes 6 75 (225) 516
Reclass from AOCI, net of taxes (169) (68) (260) (192)
Less: AOCI attributable to noncontrolling interests (162) 7 (485) 324
Ending balance 12,538 9,729 12,538 9,729
Total AOCI        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance (1,731) (1,445) (1,407) (1,759)
Ending balance (1,874) (1,438) (1,874) (1,438)
Currency translation adjustment        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance (1,415) (1,296) (1,260) (1,734)
Ending balance (1,400) (1,266) (1,400) (1,266)
Currency translation adjustments, including noncontrolling interests        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
AOCI before reclass, net of taxes 1 31 (155) 471
Reclass from AOCI, net of taxes 0 0 0 0
Other comprehensive income (loss) before reclass, tax (21) 5 3 3
Reclass from AOCI, taxes 0 0 0 0
Currency translation adjustments attributable to noncontrolling interests        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Less: AOCI attributable to noncontrolling interests (14) 0 (15) 3
Benefit plans        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance (334) (217) (247) (58)
Ending balance (422) (268) (422) (268)
Benefit plans including noncontrolling interests        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
AOCI before reclass, net of taxes 62 21 45 6
Reclass from AOCI, net of taxes (155) (72) (224) (214)
Other comprehensive income (loss) before reclass, tax 0 (3) (21) 9
Reclass from AOCI, taxes 4 (1) 85 (3)
Benefit plans attributable to noncontrolling interests        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Less: AOCI attributable to noncontrolling interests (5) 0 (4) 1
Cash flow hedges        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance 19 68 100 33
Ending balance (51) 95 (51) 95
Cash flow hedges, including noncontrolling interests        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
AOCI before reclass, net of taxes (56) 23 (115) 39
Reclass from AOCI, net of taxes (13) 4 (36) 22
Other comprehensive income (loss) before reclass, tax 8 0 (4) 0
Reclass from AOCI, taxes 0 0 0 0
Cash flow hedges, attributable to noncontrolling interests        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Less: AOCI attributable to noncontrolling interests 0 0 0 0
Equity attributable to noncontrolling interests        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance 1,158 1,070 1,118 1,047
Less: AOCI attributable to noncontrolling interests (19) 0 (19) 4
Ending balance $ 1,156 $ 1,083 $ 1,156 $ 1,083