Intangible Assets Gross Carrying Amount and Accumulated Amortization of Finite-lived Intangible Assets (Details) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Gross	$ 2,410	$ 2,484
Accumulated amortization	(538)	(469)
Net	1,872	2,015
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross	1,573	1,621
Accumulated amortization	(385)	(331)
Net	1,188	1,290
Trade names
Finite-Lived Intangible Assets [Line Items]
Gross	541	541
Accumulated amortization	(51)	(40)
Net	490	501
Technology
Finite-Lived Intangible Assets [Line Items]
Gross	158	158
Accumulated amortization	(53)	(41)
Net	105	117
Long term supply contracts
Finite-Lived Intangible Assets [Line Items]
Gross	123	150
Accumulated amortization	(40)	(48)
Net	83	102
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Gross	15	14
Accumulated amortization	(9)	(9)
Net	$ 6	$ 5