Segment Reporting - Geographic Revenue and Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenue	$ 3,042	$ 3,356	$ 3,722
Long-Lived Assets	473	515
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenue	2,545	2,887	3,328
Long-Lived Assets	351	386
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenue	298	291	314
Long-Lived Assets	30	31
Other areas
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenue	199	178	$ 80
Long-Lived Assets	$ 92	$ 98

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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