Property, Plant and Equipment Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Successor [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 12,878
Accumulated Depreciation	(443)
Property, Plant and Equipment, Net	12,435
Successor [Member] | Land and Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	913
Successor [Member] | Building [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	2,747
Successor [Member] | Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	8,104
Successor [Member] | Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 1,114
Predecessor [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross		$ 23,015
Accumulated Depreciation		(14,164)
Property, Plant and Equipment, Net		8,851	$ 9,414
Predecessor [Member] | Land and Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross		501
Predecessor [Member] | Building [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross		4,224
Predecessor [Member] | Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross		16,909
Predecessor [Member] | Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross		$ 1,381