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Description of Business and Summary of Significant Accounting Policies - Schedule of Cash, Cash Equivalents and Restricted Cash (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	$ 2,605	$ 2,921
Restricted cash, current	1,343	1,094
Restricted cash, noncurrent	163	146
Cash, cash equivalents and restricted cash	4,111	4,161	$ 23,498	$ 3,917
Increase (decrease) in cash, cash equivalents and restricted cash	(50)	$ (19,337)	$ 19,581
Cash and cash equivalents
Cash and Cash Equivalents [Line Items]
Increase (decrease) in cash, cash equivalents and restricted cash	(316)
Prepaid expenses and other
Cash and Cash Equivalents [Line Items]
Increase (decrease) in cash, cash equivalents and restricted cash	249
Other assets
Cash and Cash Equivalents [Line Items]
Increase (decrease) in cash, cash equivalents and restricted cash	$ 17