Segment Information - Schedule of Total Assets by Segment (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Segment Reporting Information [Line Items]
Total assets	$ 4,211	$ 4,486
Operating Segments \| ASC
Segment Reporting Information [Line Items]
Total assets	2,520	2,451
Operating Segments \| IMS
Segment Reporting Information [Line Items]
Total assets	1,252	1,300
Corporate & Eliminations
Segment Reporting Information [Line Items]
Total assets	$ 439	$ 735

Amount of asset recognized for present right to economic benefit.

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+ Details