Supplemental Financial Statement Data Accumulated Other Comprehensive Income Roll Forward (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Apr. 01, 2016	Mar. 31, 2017	Apr. 01, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at July 1, 2016			$ 103
OCI before reclassifications			(152)
Reclassification from AOCI, Current Period, before Tax, Attributable to Parent			(47)
Income tax benefit (expense) related to items of other comprehensive income (loss)	$ (3)	$ 0	0	$ 0
Net current-period OCI	5	$ (8)	47	$ (61)
Balance at March 31, 2017	(96)		(96)
Accumulated Other Comprehensive Income Adjustment, After Reclassification, Net of Tax			(199)
Pension Plan [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at July 1, 2016			(45)
OCI before reclassifications			7
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), before Tax			0
Income tax benefit (expense) related to items of other comprehensive income (loss)			(2)
Balance at March 31, 2017	(40)		(40)
Accumulated Other Comprehensive Income Adjustment, After Reclassification, Net of Tax			5
Foreign Currency Translation [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at July 1, 2016			74
OCI before reclassifications			(111)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax			0
Income tax benefit (expense) related to items of other comprehensive income (loss)			2
Balance at March 31, 2017	(35)		(35)
Accumulated Other Comprehensive Income Adjustment, After Reclassification, Net of Tax			(109)
Foreign Exchange Contract [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at July 1, 2016			74
OCI before reclassifications			(48)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax			(47)
Income tax benefit (expense) related to items of other comprehensive income (loss)			0
Balance at March 31, 2017	$ (21)		(21)
Accumulated Other Comprehensive Income Adjustment, After Reclassification, Net of Tax			$ (95)