Discontinued Operations (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Discontinued Operations and Disposal Groups [Abstract]
Disposal Group, Including Discontinued Operation, Description and Timing of Disposal			On November 6, 2015, we completed the sale of Sikorsky to Lockheed Martin Corp.
Net Cash Provided by (Used in) Discontinued Operations [Abstract]
Net cash outflows from discontinued operations			$ (2,457)	$ (239)
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Discontinued Operations: Net sales	$ 0	$ 1,691	0	2,957
Discontinued Operations: Costs of sales	0	1,401	0	2,463
Discontinued Operations: Research and development	0	48	0	86
Discontinued Operations: Selling, general and administrative adjustment	1		1
Discontinued Operations: Selling, general and administrative		89		176
Discontinued Operations: Other Income, net	0	13	0	25
Discontinued Operations: Income from operations	1	166	1	257
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax [Abstract]
Discontinued Operations: (Loss) gain on disposal	(3)	(28)	15	(28)
Discontinued Operations: Income tax expense	45	58	52	86
Discontinued Operations: (Loss) income from discontinued operations	$ (47)	$ 80	$ (36)	$ 143