v3.26.1
OTHER COMPREHENSIVE INCOME (LOSS) - Schedule of Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance $ 14,827 $ 8,173
Ending balance 14,808 18,092
Accumulated Other Comprehensive Income (Loss)    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance (528) (1,722)
Ending balance (366) (1,341)
Defined Benefit Pension and Postretirement Adjustments    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance (1,099) (1,312)
Amounts reclassified from accumulated other comprehensive income (loss) 29 24
Ending balance (1,070) (1,288)
Change in Cumulative Foreign Currency Translation Adjustments    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance 630 (402)
Amounts reclassified from accumulated other comprehensive income (loss) 3 0
Other comprehensive income (loss) before reclassifications (8) 410
Ending balance 625 8
Net Gains and Losses on Cash Flow Hedging Derivatives    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance (59) (8)
Amounts reclassified from accumulated other comprehensive income (loss) 1 (1)
Other comprehensive income (loss) before reclassifications 137 (52)
Ending balance $ 79 $ (61)