v3.26.1
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (AOCI) AND COMMON STOCK - Schedule of 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
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance $ 15,065 $ 9,672 $ 12,296 $ 10,593
AOCI before reclass, net of taxes (102) 277 (232) 442
Reclass from AOCI, net of taxes (57) (61) (91) (124)
Less: AOCI attributable to noncontrolling interests (159) 215 (323) 318
Ending balance 13,115 9,947 13,115 9,947
Total AOCI        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance (1,574) (1,660) (1,407) (1,759)
Ending balance (1,731) (1,445) (1,731) (1,445)
Currency translation adjustment        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance (1,333) (1,582) (1,260) (1,734)
Ending balance (1,415) (1,296) (1,415) (1,296)
Currency translation adjustments, including noncontrolling interests        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
AOCI before reclass, net of taxes (84) 287 (156) 440
Reclass from AOCI, net of taxes 0 0 0 0
Other comprehensive income (loss) before reclass, tax 10 (1) 24 (1)
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 (2) 1 0 3
Benefit plans        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance (277) (132) (247) (58)
Ending balance (334) (217) (334) (217)
Benefit plans including noncontrolling interests        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
AOCI before reclass, net of taxes (1) (14) (17) (15)
Reclass from AOCI, net of taxes (56) (71) (69) (143)
Other comprehensive income (loss) before reclass, tax (3) 3 (21) 11
Reclass from AOCI, taxes 19 (1) 81 (3)
Benefit plans attributable to noncontrolling interests        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Less: AOCI attributable to noncontrolling interests 0 0 1 1
Cash flow hedges        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance 36 54 100 33
Ending balance 19 68 19 68
Cash flow hedges, including noncontrolling interests        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
AOCI before reclass, net of taxes (17) 5 (59) 17
Reclass from AOCI, net of taxes (1) 10 (22) 19
Other comprehensive income (loss) before reclass, tax (7) 0 (12) 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 1,143 1,065 1,118 1,047
Less: AOCI attributable to noncontrolling interests (2) 1 1 4
Ending balance $ 1,158 $ 1,070 $ 1,158 $ 1,070