Consolidated Statements of Cash Flows (Supplemental Disclosure) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Cash and cash equivalents	$ 325	$ 1,925	$ 2,016
Restricted cash and restricted cash equivalents included in Other current assets	146	188	184
Restricted cash equivalents included in Other long-term assets	59	55	53
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	$ 529	$ 2,168	$ 2,253	$ 1,995