Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 106	$ 106
Accumulated Amortization	$ (98)	$ (92)
Weighted Average Remaining Life in Years	5 years 1 month 6 days	4 years 10 months 24 days
Net carrying amount	$ 8	$ 14
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	74	74
Accumulated Amortization	$ 67	$ 62
Weighted Average Remaining Life in Years	5 years 7 months 6 days	5 years 7 months 6 days
Net carrying amount	$ 7	$ 12
Software in development and other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	25	25
Accumulated Amortization	$ 25	$ 25
Weighted Average Remaining Life in Years	0 years	2 years 1 month 6 days
Net carrying amount	$ 0	$ 0
Trade name
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	7	7
Accumulated Amortization	$ 6	$ 5
Weighted Average Remaining Life in Years	7 months 6 days	1 year 7 months 6 days
Net carrying amount	$ 1	$ 2