Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accrued Expenses and Other Current Liabilities [Abstract]
Accrued payroll and related expenses	$ 74	$ 53
Accrued loyalty program liabilities	67	43
Accrued taxes payable	33	29
Accrued self-insurance liabilities	25	38
Accrued marketing expenses	11	6
Accrued interest	9	15
Accrued professional expenses	9	7
Accrued legal settlements	6	4
Due to former Parent (Note 18)	5	3
Operating lease liabilities	4	4
Accrued restructuring	0	10	$ 8
Other	15	14
Accrued expenses and other current liabilities	$ 258	$ 226
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accrued expenses and other current liabilities	Accrued expenses and other current liabilities