Derivative Instruments - Schedule of Cash Flow Hedges included in AOCI (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	$ 33,256	$ 34,300
Change in fair value, net of tax	56
Reclassification into earnings, net of tax	1
Ending Balance	33,473	34,424
Unrealized Gain (Loss) on Cash Flow Hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	98
Change in fair value, net of tax	5
Reclassification into earnings, net of tax	(1)
Ending Balance	102
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(609)
Change in fair value, net of tax	51
Reclassification into earnings, net of tax	1
Ending Balance	(557)
Cash Flow Hedges | Unrealized Gain (Loss) on Cash Flow Hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	1	5
Change in fair value, net of tax	5	2
Reclassification into earnings, net of tax	(1)	(2)
Ending Balance	5	5
Interest rate swap contracts | Unrealized Gain (Loss) on Cash Flow Hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	99	84
Change in fair value, net of tax	0	16
Reclassification into earnings, net of tax	0	0
Ending Balance	99	100
Net Investment Hedges | Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	33	(21)
Change in fair value, net of tax	(59)	21
Reclassification into earnings, net of tax	1	1
Ending Balance	$ (25)	$ 1