Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Other intangible assets:
Estimated Fair Value	$ 192	$ 192
Accumulated Amortization	50	32
Net Carrying Amount	142	160
Customer relationships
Other intangible assets:
Estimated Fair Value	135	135
Accumulated Amortization	27	16
Net Carrying Amount	108	119
Other
Other intangible assets:
Estimated Fair Value	57	57
Accumulated Amortization	23	16
Net Carrying Amount	$ 34	$ 41