General - Cash, Cash Equivalents and Restricted Cash Equivalents (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2020
Accounting Policies [Abstract]
Cash and cash equivalents	$ 1,362	$ 2,764	$ 4,569
Restricted cash and restricted cash equivalents included in other current assets	23		180
Restricted cash and restricted cash equivalents included in long-term receivables and other assets, net	16		17
Cash, cash equivalents, restricted cash and restricted cash equivalents	$ 1,401	$ 2,803	$ 4,766	$ 2,194