Segment Reporting - Segment Assets to Total Assets (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 3,459	$ 3,277
Operating Segments \| Reportable Segment
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	3,395	3,207
Segment Reporting, Reconciling Item, Corporate Nonsegment
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 64	$ 70

Amount of asset recognized for present right to economic benefit.

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+ Details