Derivative Instruments - Schedule of Cash Flow Hedges included in AOCI (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 31,288	$ 33,473	$ 31,235	$ 33,256
Ending balance	31,616	33,496	31,616	33,496
Unrealized Gain (Loss) on Cash Flow Hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			92
Change in fair value, net of tax			(7)
Reclassification into earnings, net of tax			3
Ending balance	88		88
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			(403)
Change in fair value, net of tax			(75)
Reclassification into earnings, net of tax			2
Ending balance	(476)		(476)
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	(12)	4	(6)	1
Change in fair value, net of tax	3	3	(6)	7
Reclassification into earnings, net of tax	3	(3)	6	(4)
Ending balance	(6)	4	(6)	4
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	96	99	99	99
Change in fair value, net of tax	0	0	(1)	0
Reclassification into earnings, net of tax	(1)	0	(3)	0
Ending balance	95	99	95	99
Net Investment Hedges \| Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(164)	(25)	(234)	33
Change in fair value, net of tax	(17)	(259)	52	(318)
Reclassification into earnings, net of tax	1	1	2	2
Ending balance	$ (180)	$ (283)	$ (180)	$ (283)