Unaudited Condensed Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Millions		Sep. 30, 2021	Sep. 30, 2020
Statement of Cash Flows [Abstract]
Cash and cash equivalents		$ 731	$ 946
Restricted cash		118	152
Restricted cash within assets of discontinued operations		65	77
Total cash, cash equivalents, and restricted cash	[1]	$ 914	$ 1,175

[1] The following table provides a reconciliation of cash, cash equivalents and restricted cash to amounts reported within the condensed consolidated balance sheets. September 30, 2021September 30, 2020Cash and cash equivalents$731 $946 Restricted cash118 152 Restricted cash within assets of discontinued operations65 77 Total cash, cash equivalents, and restricted cash$914 $1,175