Fair Value of Assets and Liabilities (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset impairment charges	$ 0	$ 0	$ 0	$ 0
Fair Value, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deposits held in money market mutual funds	17		17		$ 17
Foreign exchange contracts	0		0		0
Interest rate swap agreements	0		0
Total	17		17		17
Foreign exchange contracts	0		0		0
Total	0		0		0
Fair Value, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Interest Rate Cap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap agreements					0
Fair Value, Recurring | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deposits held in money market mutual funds	0		0		0
Foreign exchange contracts	2		2		1
Interest rate swap agreements	24		24
Total	26		26		19
Foreign exchange contracts	3		3		1
Total	3		3		1
Fair Value, Recurring | Significant Other Observable Inputs (Level 2) | Interest Rate Cap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap agreements					18
Fair Value, Recurring | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deposits held in money market mutual funds	0		0		0
Foreign exchange contracts	0		0		0
Interest rate swap agreements	0		0
Total	0		0		0
Foreign exchange contracts	0		0		0
Total	0		0		0
Fair Value, Recurring | Significant Unobservable Inputs (Level 3) | Interest Rate Cap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap agreements					0
Fair Value, Recurring | Total
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deposits held in money market mutual funds	17		17		17
Foreign exchange contracts	2		2		1
Interest rate swap agreements	24		24
Total	43		43		36
Foreign exchange contracts	3		3		1
Total	$ 3		$ 3		1
Fair Value, Recurring | Total | Interest Rate Cap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap agreements					$ 18