Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	$ 6,515	$ 6,975
Balance at end of period	6,696	7,286
Foreign currency translation adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(1,558)	(1,119)
Increase / (Decrease)	263	(159)
Reclassifications	0	0
Balance at end of period	(1,295)	(1,278)
Translation adjustments on net investment hedge
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	295	181
Increase / (Decrease)	(41)	36
Reclassifications	0	0
Balance at end of period	254	217
Defined benefit pension and other postretirement plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(6)	(25)
Increase / (Decrease)	0	0
Reclassifications	0	0
Balance at end of period	(6)	(25)
Investment securities available-for-sale
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period		(1)
Increase / (Decrease)		0
Reclassifications		0
Balance at end of period		(1)
Accumulated other comprehensive income (loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(1,433)	(1,099)
Increase / (Decrease)	179	(106)
Reclassifications	99	3
Balance at end of period	(1,155)	(1,202)
Foreign exchange contracts \| Cash flow hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(51)	(17)
Increase / (Decrease)	(43)	17
Reclassifications	97	2
Balance at end of period	3	2
Interest rate contracts \| Cash flow hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(113)	(118)
Increase / (Decrease)	0	0
Reclassifications	2	1
Balance at end of period	$ (111)	$ (117)