Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Millions		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Cash Flows [Abstract]
Cash and cash equivalents		$ 895	$ 695	$ 329
Restricted cash		146	135	169
Restricted cash within assets of discontinued operations		0	83	114
Total cash, cash equivalents and restricted cash	[1]	$ 1,041	$ 913	$ 612

[1] The following table provides a reconciliation of cash, cash equivalents and restricted cash to amount reported within the consolidated balance sheets. December 31,
2021December 31,
2020December 31,
2019Cash and cash equivalents$895 $695 $329 Restricted cash146 135 169 Restricted cash within assets of discontinued operations— 83 114 Total cash, cash equivalents and restricted cash$1,041 $913 $612