Consolidated Statements of Cash Flows (Supplemental Disclosure) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2020
Cash and cash equivalents	$ 276	$ 1,925	$ 2,675
Restricted cash and restricted cash equivalents included in Other current assets	132	188	167
Restricted cash equivalents included in Other long-term assets	50	55	57
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	$ 458	$ 2,168	$ 2,898	$ 1,995