Supplemental Disclosures of Cash Flow Information - Narrative (Details) - USD ($) $ in Millions		Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2020
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cash, cash equivalents and restricted cash	[1]	$ 5,108	$ 7,691	$ 5,924	$ 6,301
Previously Reported [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cash, cash equivalents and restricted cash				$ 2,200	$ 2,100

[1] The amounts of cash, cash equivalents and restricted cash, their respective classification on the condensed consolidated balance sheets, as well as their respective portions of the increase or decrease in cash, cash equivalents and restricted cash for each of the periods presented have been included in Note 19 — Supplemental Disclosures of Cash Flow Information.