Description of Business, Accounting Policies, and Supplemental Disclosures - Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Supplemental Cash Flow Information [Abstract]
Cash paid for interest on debt	$ 1,561	$ 1,098	$ 916
Cash paid for operating leases	8,633	6,722	4,475
Cash paid for interest on finance leases	374	521	612
Cash paid for interest on financing obligations	207	153	102
Cash paid for income taxes, net of refunds	6,035	3,688	1,713
Assets acquired under operating leases	18,800	25,369	16,217
Property and equipment acquired under finance leases, net of remeasurements and modifications	675	7,061	11,588
Property and equipment recognized during the construction period of build-to-suit lease arrangements	3,187	5,846	2,267
Property and equipment derecognized after the construction period of build-to-suit lease arrangements, with the associated leases recognized as operating	$ 5,158	$ 230	$ 0