v3.26.3
Accumulated Other Comprehensive Loss (AOCL) (Details) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Accumulated Other Comprehensive Income Loss [Line Items]    
Beginning balance $ 8,097 $ 6,962
Current year deferrals to AOCL 1 692
Reclassifications from AOCL to net income 14 152
Ending balance 8,629 7,956
Tax cost related to unrealized currency translation adjustments other than translation of foreign denominated balance sheets 12 (34)
Pension and other postretirement benefit adjustments, tax cost 4 4
Accumulated Translation Adjustment [Member]    
Accumulated Other Comprehensive Income Loss [Line Items]    
Beginning balance (1,702) (2,651)
Current year deferrals to AOCL 26 709
Reclassifications from AOCL to net income 0 140
Ending balance (1,676) (1,802)
Accumulated Defined Benefit Plans Adjustment [Member]    
Accumulated Other Comprehensive Income Loss [Line Items]    
Beginning balance (475) (458)
Current year deferrals to AOCL (25) (17)
Reclassifications from AOCL to net income 14 12
Ending balance (486) (463)
Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest    
Accumulated Other Comprehensive Income Loss [Line Items]    
Beginning balance 1 1
Current year deferrals to AOCL 0 0
Reclassifications from AOCL to net income 0 0
Ending balance 1 1
Accumulated Other Comprehensive Loss    
Accumulated Other Comprehensive Income Loss [Line Items]    
Beginning balance (2,176) (3,108)
Ending balance $ (2,161) $ (2,264)