Accumulated Other Comprehensive Loss (AOCL) (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance	$ 6,962	$ 8,023
Current year deferrals to AOCL	692	(557)
Reclassifications from AOCL to net income	152	16
Ending balance	7,956	7,972
Tax cost related to unrealized currency translation adjustments other than translation of foreign denominated balance sheets	(34)	39
Pension and other postretirement benefit adjustments, tax cost	4	8
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance	(2,651)	(1,746)
Current year deferrals to AOCL	709	(558)
Reclassifications from AOCL to net income	140	0
Ending balance	(1,802)	(2,304)
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance	(458)	(494)
Current year deferrals to AOCL	(17)	1
Reclassifications from AOCL to net income	12	16
Ending balance	(463)	(477)
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	(3,108)	(2,239)
Ending balance	$ (2,264)	$ (2,780)