Discontinued Operations and Divestitures - Aerostructures (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Apr. 01, 2016	Apr. 03, 2015	Apr. 01, 2016	Apr. 03, 2015	Jul. 03, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income from continuing operations before income taxes	$ 241	$ 179	$ 368	$ 544
Assets [Abstract]
Total current assets	221		221		$ 0
Liabilities [Abstract]
Liabilities of disposal group held for sale	30		30		$ 28
Electronic Systems | Disposal Group, Held-for-sale, Not Discontinued Operations | Aerostructures
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Asset sale agreement, cash	187
Asset sale agreement, capital leases	23		23
Income from continuing operations before income taxes	3		4
Assets [Abstract]
Receivables	12		12
Inventories	35		35
Other current assets	1		1
Total current assets	48		48
Property, plant and equipment	84		84
Goodwill	61		61
Other intangible assets	24		24
Other non-current assets	4		4
Total non-current assets	173		173
Assets of disposal group held for sale	221		221
Liabilities [Abstract]
Liabilities of disposal group held for sale	12		12
Non-current liabilities	44		44
Liabilities of disposal group held for sale	$ 56		$ 56