Intangible Assets, net (Details) - USD ($) $ in Millions	Jun. 30, 2018	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Gross	$ 1,958	$ 604
Accumulated amortization	(183)	(135)
Net	1,775	469
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross	1,623	461
Accumulated amortization	(144)	(108)
Net	1,479	353
Technology
Finite-Lived Intangible Assets [Line Items]
Gross	161	0
Accumulated amortization	(6)	0
Net	155	0
Long term supply contracts
Finite-Lived Intangible Assets [Line Items]
Gross	142	143
Accumulated amortization	(32)	(27)
Net	110	116
Trade names - Definite lived
Finite-Lived Intangible Assets [Line Items]
Gross	32	0
Accumulated amortization	(1)	0
Net	$ 31	$ 0