Derivative Instruments - Schedule of Cash Flow Hedges included in AOCI (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 33,473	$ 34,424	$ 33,256	$ 34,300
Ending balance	33,496	34,970	33,496	34,970
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			8
Reclassification into earnings, net of tax			(4)
Ending balance	102		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			82
Reclassification into earnings, net of tax			2
Ending balance	(525)		(525)
Cash Flow Hedges | Unrealized Gain (Loss) on Cash Flow Hedges | Foreign exchange forward contracts
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	4	5	1	5
Change in fair value, net of tax	3	2	7	4
Reclassification into earnings, net of tax	(3)	(2)	(4)	(4)
Ending balance	4	5	4	5
Cash Flow Hedges | Unrealized Gain (Loss) on Cash Flow Hedges | Interest rate swap contracts
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	99	100	99	84
Change in fair value, net of tax	0	0	0	16
Reclassification into earnings, net of tax	0	0	0	0
Ending balance	99	100	99	100
Net Investment Hedges | Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(25)	2	33	(21)
Change in fair value, net of tax	(259)	11	(318)	33
Reclassification into earnings, net of tax	1	1	2	2
Ending balance	$ (283)	$ 14	$ (283)	$ 14