Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	$ 6,975	$ 6,356
Balance at end of period	7,286	5,386
Foreign currency translation adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(1,119)	(1,414)
Increase / (Decrease)	(159)	80
Reclassifications	0	0
Balance at end of period	(1,278)	(1,334)
Translation adjustments on net investment hedge
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	181	309
Increase / (Decrease)	36	(57)
Reclassifications	0	0
Balance at end of period	217	252
Defined benefit pension and other postretirement plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(25)	(11)
Increase / (Decrease)	0	0
Reclassifications	0	0
Balance at end of period	(25)	(11)
Investment securities available-for-sale
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(1)	(6)
Increase / (Decrease)	0	2
Reclassifications	0	0
Balance at end of period	(1)	(4)
Accumulated other comprehensive income (loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(1,099)	(1,253)
Increase / (Decrease)	(106)	15
Reclassifications	3	9
Balance at end of period	(1,202)	(1,229)
Foreign exchange contracts \| Cash flow hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(17)	(8)
Increase / (Decrease)	17	(10)
Reclassifications	2	8
Balance at end of period	2	(10)
Interest rate contracts \| Cash flow hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(118)	(123)
Increase / (Decrease)	0	0
Reclassifications	1	1
Balance at end of period	$ (117)	$ (122)