Derivative Instruments - Schedule of Cash Flow Hedges included in AOCI (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	$ 34,424	$ 36,370	$ 34,300	$ 36,477
Change in fair value, net of tax			(76)
Reclassification into earnings, net of tax			0
Ending Balance	34,970	35,559	34,970	35,559
Unrealized Gain (Loss) on Cash Flow Hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance			86
Change in fair value, net of tax			20
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			(487)
Change in fair value, net of tax			(91)
Reclassification into earnings, net of tax			2
Ending Balance	(576)		(576)
Cash Flow Hedges | Unrealized Gain (Loss) on Cash Flow Hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	5	4	5	0
Change in fair value, net of tax	2	5	4	10
Reclassification into earnings, net of tax	(2)	(2)	(4)	(3)
Ending Balance	5	7	5	7
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	100	23	84	48
Change in fair value, net of tax	0	17	16	(9)
Reclassification into earnings, net of tax	0	1	0	2
Ending Balance	100	41	100	41
Net Investment Hedges | Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	2	49	(21)	56
Change in fair value, net of tax	11	(18)	33	(26)
Reclassification into earnings, net of tax	1	1	2	2
Ending Balance	$ 14	$ 32	$ 14	$ 32