Intangible Assets - Amortizable Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 484	$ 222
Accumulated Impairment		67
Accumulated Amortization	40	101
Net Amount	$ 444	54
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Useful Lives (in years)	22 years
Gross Carrying Amount	$ 413	132
Accumulated Impairment		55
Accumulated Amortization	18	77
Net Amount	395	0
Patents
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	17	22
Accumulated Impairment		7
Accumulated Amortization	11	10
Net Amount	$ 6	5
Patents | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful Lives (in years)	5 years
Patents | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful Lives (in years)	15 years
Energy Contract
Finite-Lived Intangible Assets [Line Items]
Useful Lives (in years)	2 years
Gross Carrying Amount	$ 54	54
Accumulated Impairment		0
Accumulated Amortization	11	5
Net Amount	43	49
Other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	0	14
Accumulated Impairment		5
Accumulated Amortization	0	9
Net Amount	$ 0	$ 0
Other | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful Lives (in years)	4 years
Other | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful Lives (in years)	15 years