Segment and Other Supplemental Information - Narrative (Details) $ in Millions	3 Months Ended
	Mar. 31, 2026 USD ($) segment	Mar. 31, 2025 USD ($)
Segment Reporting [Abstract]
Number of operating segments | segment	2
Number of reportable segments | segment	2
Operating Segments | Product Sales
Segment Reporting Information
Product costs	$ 55	$ 64
Depreciation expense	20	16
Operating Segments | Consulting Services
Segment Reporting Information
Cost of consulting services includes payroll and benefit costs	$ 28	$ 32