Schedule I - Condensed Financial Information Of Parent Cash and Cash Equivalents (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Schedule of Cash and Cash Equivalents Including Restricted Cash [Line Items]
Cash and cash equivalents	$ 10	$ 8
Restricted cash included in “Other current assets”	13	16
Total cash, cash equivalents, and restricted cash	216	155	$ 301	$ 176
Parent Company
Schedule of Cash and Cash Equivalents Including Restricted Cash [Line Items]
Cash and cash equivalents	0	0
Restricted cash included in “Other current assets”	0	4
Total cash, cash equivalents, and restricted cash	$ 0	$ 4	$ 4	$ 3