Segment Information - Total Assets by Segment (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Segment Reporting Information [Line Items]
Total assets	$ 4,486	$ 4,184
Operating Segments \| ASC
Segment Reporting Information [Line Items]
Total assets	2,451	2,249
Operating Segments \| IMS
Segment Reporting Information [Line Items]
Total assets	1,300	1,225
Corporate & Eliminations
Segment Reporting Information [Line Items]
Total assets	$ 735	$ 710

Amount of asset recognized for present right to economic benefit.

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+ Details