Segment Reporting - Schedule of Revenues by Operating Segment and Country (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items]
Total revenues	$ 2,520	$ 2,410	$ 4,784	$ 4,519
United States
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items]
Total revenues	$ 1,197	$ 1,165	$ 2,296	$ 2,238
United States \| Sales Revenue \| Geographic Concentration Risk
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items]
Percentage of revenue (as a percent)	10.00%	10.00%	10.00%	10.00%
Canada
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items]
Total revenues	$ 1,037	$ 992	$ 1,939	$ 1,807
Canada \| Sales Revenue \| Geographic Concentration Risk
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items]
Percentage of revenue (as a percent)	10.00%	10.00%	10.00%	10.00%
Other
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items]
Total revenues	$ 286	$ 253	$ 549	$ 474

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details