Derivative Instruments - Change in Unrealized Gains (Losses) in AOCI (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	$ 39,506	$ 1,331	$ 2,107	$ 571
Change in fair value, net of tax			(211)
Reclassification into earnings, net of tax			14
Ending Balance	37,240	1,915	37,240	1,915
Cash Flow Hedges | Foreign exchange forward contracts
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(9)	12	6	14
Change in fair value, net of tax	(7)	0	(21)	8
Reclassification into earnings, net of tax	5	(5)	4	(15)
Ending Balance	(11)	7	(11)	7
Cash Flow Hedges | Interest rate swap contracts
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(16)	(155)	(203)	0
Change in fair value, net of tax	41	27	226	(128)
Reclassification into earnings, net of tax	1	0	3	0
Ending Balance	26	(128)	26	(128)
Net Investment Hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	62	(59)	(17)	(81)
Change in fair value, net of tax	52	22	129	40
Reclassification into earnings, net of tax	1	1	3	5
Ending Balance	$ 115	$ (36)	$ 115	$ (36)