Segment Segment Data - Reconciliation of Income before Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Segment Reporting [Line Items]
Product-line discontinuance charges	$ (1)	$ 0
Other non-operating (expense) income	3	(5)
Income before income taxes	36	116
Operating Segments
Segment Reporting [Line Items]
Reportable segment Adjusted EBITDA	89	160
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment
Segment Reporting [Line Items]
Other Adjusted EBITDA	(7)	2
Depreciation and amortization	(38)	(35)
Stock-based compensation expense	(7)	(5)
Other operating credits and charges, net	(2)	(2)
Product-line discontinuance charges	(1)	0
Interest expense	(4)	(3)
Investment income	2	4
Other non-operating (expense) income	$ 3	$ (5)

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