Property, Plant and Equipment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Property, plant and equipment
Property, plant and equipment, gross	$ 6,632	$ 5,405
Accumulated depreciation	(2,245)	(2,719)
Net property, plant and equipment	4,387	2,686
Depreciation expense	349	247	$ 240
Land
Property, plant and equipment
Property, plant and equipment, gross	105	70
Buildings
Property, plant and equipment
Property, plant and equipment, gross	1,301	1,023
Machinery and equipment
Property, plant and equipment
Property, plant and equipment, gross	4,723	3,904
Construction-in-progress
Property, plant and equipment
Property, plant and equipment, gross	$ 503	$ 408