Accumulated Other Comprehensive Loss (AOCL) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance	$ 6,962	$ 8,023
Current year deferrals to AOCL	132	(15)
Reclassifications from AOCL to net income	143	3
Ending balance	7,092	8,126
Tax cost related to unrealized currency translation adjustments other than translation of foreign denominated balance sheets	60	68
Pension and other postretirement benefit adjustments, tax cost	2	1
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance	(2,651)	(1,746)
Current year deferrals to AOCL	141	(12)
Reclassifications from AOCL to net income	139	0
Ending balance	(2,371)	(1,758)
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance	(458)	(494)
Current year deferrals to AOCL	(9)	(3)
Reclassifications from AOCL to net income	4	3
Ending balance	(463)	(494)
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	$ (2,833)	$ (2,251)