v3.26.1
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Components of AOCI (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Accumulated Other Comprehensive Income [Roll Forward]            
Beginning balance $ 7,812 $ 7,772 $ 7,902 $ 7,713 $ 7,772 $ 7,713
Other comprehensive income (loss), net of tax 5 64 (28) 60 69 32
Ending balance 7,794 7,812 7,779 7,902 7,794 7,779
Total            
Accumulated Other Comprehensive Income [Roll Forward]            
Beginning balance (2,702) (2,767) (2,655) (2,712) (2,767) (2,712)
Other comprehensive income (loss), before reclassifications         58 24
Amounts reclassified from comprehensive income         12 1
Other comprehensive income (loss), net of tax 5 65 (32) 57 70 25
Ending balance (2,697) (2,702) (2,687) (2,655) (2,697) (2,687)
Unrealized Gains (Loss) on Cash Flow Hedges            
Accumulated Other Comprehensive Income [Roll Forward]            
Beginning balance   27   72 27 72
Other comprehensive income (loss), before reclassifications         (63) 9
Amounts reclassified from comprehensive income         7 1
Other comprehensive income (loss), net of tax (19)   16   (56) 9
Other comprehensive income (loss), net of tax and adjustments         (56) 10
Ending balance (29)   82   (29) 82
Change in Retirement Plans' Funded Status            
Accumulated Other Comprehensive Income [Roll Forward]            
Beginning balance   (315)   (348) (315) (348)
Other comprehensive income (loss), before reclassifications         1 (5)
Amounts reclassified from comprehensive income         5 0
Other comprehensive income (loss), net of tax 3   (3)   6 (5)
Ending balance (309)   (353)   (309) (353)
Foreign Currency Translation            
Accumulated Other Comprehensive Income [Roll Forward]            
Beginning balance   (2,236)   (2,170) (2,236) (2,170)
Other comprehensive income (loss), before reclassifications         126 (8)
Amounts reclassified from comprehensive income         0 0
Other comprehensive income (loss), net of tax 22   (59)   125 0
Other comprehensive income (loss), net of tax and adjustments         126 (8)
Ending balance (2,110)   (2,178)   (2,110) (2,178)
Share of other comprehensive loss of entities using the equity method            
Accumulated Other Comprehensive Income [Roll Forward]            
Beginning balance   $ (243)   $ (266) (243) (266)
Other comprehensive income (loss), before reclassifications         (6) 28
Amounts reclassified from comprehensive income         0 0
Other comprehensive income (loss), net of tax (1)   18   (6) 28
Ending balance $ (249)   $ (238)   (249) (238)
AOCI Including Portion Attributable to Noncontrolling Interest            
Accumulated Other Comprehensive Income [Roll Forward]            
Other comprehensive income (loss), net of tax         $ (1) $ 7