Property, Net Table (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Property, Gross		$ 4,602	$ 3,745
Accumulated depreciation		(1,798)	(1,420)
Property, net	[1]	2,804	2,325	$ 2,126
Land
Property, Plant and Equipment [Line Items]
Property, Gross		63	54
Land and leasehold improvements
Property, Plant and Equipment [Line Items]
Property, Gross		$ 134	143
Land and leasehold improvements | Minimum
Property, Plant and Equipment [Line Items]
Property, Estimated Useful Lives		3 years
Land and leasehold improvements | Maximum
Property, Plant and Equipment [Line Items]
Property, Estimated Useful Lives		20 years
Buildings
Property, Plant and Equipment [Line Items]
Property, Gross		$ 505	436
Buildings | Maximum
Property, Plant and Equipment [Line Items]
Property, Estimated Useful Lives		40 years
Machinery, equipment, and tooling
Property, Plant and Equipment [Line Items]
Property, Gross		$ 3,077	2,486
Machinery, equipment, and tooling | Minimum
Property, Plant and Equipment [Line Items]
Property, Estimated Useful Lives		3 years
Machinery, equipment, and tooling | Maximum
Property, Plant and Equipment [Line Items]
Property, Estimated Useful Lives		20 years
Furniture and office equipment
Property, Plant and Equipment [Line Items]
Property, Gross		$ 493	375
Furniture and office equipment | Minimum
Property, Plant and Equipment [Line Items]
Property, Estimated Useful Lives		3 years
Furniture and office equipment | Maximum
Property, Plant and Equipment [Line Items]
Property, Estimated Useful Lives		10 years
Construction in progress
Property, Plant and Equipment [Line Items]
Property, Gross		$ 330	$ 251

[1] Net property data represents property, plant and equipment, net of accumulated depreciation.