Segment Information - Reconciliation of Segment Adjusted EBITDA to GAAP Income Before Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Segment Reporting Information [Line Items]
Adjusted EBITDA	$ 112	$ 140
Adjustments to reconcile to GAAP income before income taxes
Depreciation and amortization	(28)	(26)
Interest expense, net	(12)	(12)
IPO and separation-related costs	(4)	(3)
Income before income taxes	68	99
Segment Adjusted EBITDA
Segment Reporting Information [Line Items]
Adjusted EBITDA	115	149
Adjustments to reconcile to GAAP income before income taxes
Depreciation and amortization	(19)	(18)
Corporate / Unallocated Expenses
Segment Reporting Information [Line Items]
Adjusted EBITDA	(3)	(9)
Adjustments to reconcile to GAAP income before income taxes
Depreciation and amortization	$ (9)	$ (8)