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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount, after accumulated amortization, of debt discount (premium).

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Long-Term Debt - Long Term Debt Including Current Portion (Details) - USD ($) $ in Millions	Dec. 31, 2021	Feb. 02, 2021	Dec. 31, 2020	May 08, 2013
Debt Instrument [Line Items]
Finance lease obligations	$ 6		$ 9
Other debt	1		0
Total debt	302		561
Less: Current portion of finance lease obligations and other debt	(2)		(2)
Long-term debt, net of current portion	$ 300		$ 559
Finance lease obligation, balance sheet [Extensible List]	Long-term debt, net of current portion		Long-term debt, net of current portion
Current portion of finance lease obligation, balance sheet [Extensible List]	Current portion of long-term debt		Current portion of long-term debt
Senior Notes \| Senior Notes due 2026
Debt Instrument [Line Items]
Principal amount	$ 300		$ 0
Deferred financing costs	(5)		0
Net carrying amount	295		0
Interest rate of notes (as a percent)		4.875%
Senior Notes \| Senior Notes due 2023
Debt Instrument [Line Items]
Principal amount	0		375
Deferred financing costs	0		(2)
Unamortized discount	0		(1)
Net carrying amount	0		372
Interest rate of notes (as a percent)				5.875%
Secured Debt \| Term Loans due 2030
Debt Instrument [Line Items]
Net carrying amount	$ 0		$ 180