Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets
Net Carrying Amount	$ 198	$ 254
Intangible amortization expense	29	32	$ 33
Customer list intangibles
Finite-Lived Intangible Assets
Accumulated amortization	345	316
Net Carrying Amount	$ 198	254
Useful life	20 years
Intangible amortization expense	$ 29	$ 32	$ 33
2025	18
2026	24
2027	22
2028	20
2029	19
Impairment of intangible assets	$ 0
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Operating Income (Expense), Net