Derivative Instruments - Schedule of Cash Flow Hedges included in AOCI (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	$ 35,559	$ 39,506	$ 36,477	$ 2,107
Change in fair value, net of tax			39
Reclassification into earnings, net of tax			1
Ending Balance	35,514	37,240	35,514	37,240
Cash Flow Hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	7	(9)	0	6
Change in fair value, net of tax	(2)	(7)	7	(21)
Reclassification into earnings, net of tax	(2)	5	(4)	4
Ending Balance	3	(11)	3	(11)
Interest rate swap contracts
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	41	(16)	48	(203)
Change in fair value, net of tax	89	41	79	226
Reclassification into earnings, net of tax	1	1	4	3
Ending Balance	131	26	131	26
Net Investment Hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	32	62	56	(17)
Change in fair value, net of tax	16	52	(10)	129
Reclassification into earnings, net of tax	1	1	3	3
Ending Balance	$ 49	$ 115	$ 49	$ 115