Stockholders' Equity Reclassifications out of AOCI (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of Goods Sold		$ 4,235	$ 4,847
Income Tax Expense		(40)	27
Loss from continuing operations after income taxes		89	(216)
Reclassification from Accumulated Other Comprehensive Loss, Current Period, Net of Tax		(2)	(1)
Derivative Instruments
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of Goods Sold	[1]	(4)	(1)
Income Tax Expense	[2]	1	0
Loss from continuing operations after income taxes		(3)	(1)
Reclassification from Accumulated Other Comprehensive Loss, Current Period, Net of Tax		(3)	(1)
Pension Plan
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from Accumulated Other Comprehensive Loss, Current Period, Net of Tax		1	0
Pension Plan | Actuarial (Gains) Losses
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from Accumulated Other Comprehensive Loss, Current Period, before Tax	[3]	1	0
Pension Plan | Accumulated Defined Benefit Plans Adjustment Attributable to Parent
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from Accumulated Other Comprehensive Loss, Current Period, before Tax		1	0
Reclassification from Accumulated Other Comprehensive Loss, Current Period, Tax	[2]	0	0
Reclassification from Accumulated Other Comprehensive Loss, Current Period, Net of Tax		$ 1	$ 0

[1] Cost of goods sold.

[2] Provision for income taxes from continuing operations.

[3] These accumulated other comprehensive loss components are included in the computation of net periodic benefit (credit) cost of the company's pension and other benefit plans. See Note 15 for additional information.