Intangible Assets Gross Carrying Amount and Accumulated Amortization of Finite-lived Intangible Assets (Details) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Gross	$ 2,446	$ 2,479
Accumulated amortization	(421)	(286)
Net	2,025	2,193
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross	1,599	1,615
Accumulated amortization	(300)	(206)
Net	1,299	1,409
Trade names
Finite-Lived Intangible Assets [Line Items]
Gross	533	547
Accumulated amortization	(34)	(17)
Net	499	530
Technology
Finite-Lived Intangible Assets [Line Items]
Gross	156	160
Accumulated amortization	(35)	(18)
Net	121	142
Long term supply contracts
Finite-Lived Intangible Assets [Line Items]
Gross	144	143
Accumulated amortization	(44)	(37)
Net	100	106
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Gross	14	14
Accumulated amortization	(8)	(8)
Net	$ 6	$ 6