Discontinued Operations - Balance Sheet (Details) - USD ($) $ in Millions	Dec. 30, 2016	Jul. 01, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Foreign currency translation, net of taxes, associated with assets and liabilities of discontinued operation	$ (160)	$ (131)
Assets
Current assets of discontinued operations	344	112
Non-current assets of discontinued operations	0	279
Liabilities
Current liabilities of discontinued operations	67	91
Non-current liabilities of discontinued operations	0	26
CapRock | Critical Networks | Discontinued Operations, Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Foreign currency translation, net of taxes, associated with assets and liabilities of discontinued operation	63	67
Assets
Receivables	50	67
Inventories	12	14
Property, plant and equipment	69	0
Goodwill	132	0
Other intangible assets	22	0
Other current assets	59	31
Current assets of discontinued operations	344	112
Property, plant and equipment	0	73
Goodwill	0	136
Other intangible assets	0	24
Non-current assets of discontinued operations	0	46
Non-current assets of discontinued operations	0	279
Liabilities
Accounts payable	15	11
Post-closing adjustment liability	2	27
Other current liabilities	50	53
Current liabilities of discontinued operations	67	91
Non-current liabilities of discontinued operations	$ 0	$ 26