Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Other intangible assets:
Gross Amount	$ 192	$ 78
Accumulated Amortization	32	17
Net Carrying Amount	160	61
Customer relationships
Other intangible assets:
Gross Amount	135	42
Accumulated Amortization	16	8
Net Carrying Amount	119	34
Other
Other intangible assets:
Gross Amount	57	36
Accumulated Amortization	16	9
Net Carrying Amount	$ 41	$ 27