Accrued Expenses and Other Liabilities and Other Long-Term Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Accrued expenses and other liabilities
Self-insurance accruals	$ 51	$ 54
Accrued compensation and benefit costs	187	79
Property and income taxes payable	42	45
Restructuring reserves	10	19
Interest payable	126	133
Deferred revenue	83	51
National accounts accrual	95	84
Operating lease liability	202	178
Other	85	77
Accrued expenses and other liabilities	881	720
Other long-term liabilities
Self-insurance accruals	100	73
Income taxes payable	5	5
Accrued compensation and benefit costs	39	60
Other long-term liabilities	$ 144	$ 138