Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Other intangible assets:
Gross Amount	$ 192	$ 192
Accumulated Amortization	56	32
Net Carrying Amount	136	160
Customer relationships
Other intangible assets:
Gross Amount	135	135
Accumulated Amortization	30	16
Net Carrying Amount	105	119
Other
Other intangible assets:
Gross Amount	57	57
Accumulated Amortization	26	16
Net Carrying Amount	$ 31	$ 41