Balance Sheet Information (AOCI) (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 02, 2020	Oct. 04, 2019
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	$ 4	$ (1)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax	0	0
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	1,787	2,162
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax	0	0
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax	(1)	0
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	4	(1)
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	(1)	0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	15	(5)
Other comprehensive income	20	(6)
Ending balance	1,821	1,770
Accumulated Other Comprehensive Loss [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(66)	(34)
Other comprehensive income before reclassifications	4	(6)
Amounts reclassified from AOCL	16	0
Other comprehensive income	20	(6)
Ending balance	(46)	(40)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax		(1)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(24)	0
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax	0	0
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	4	(1)
Ending balance	(20)	(1)
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax		0
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(26)	(20)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax		0
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	1	0
Ending balance	(25)	(20)
Foreign currency translation adjustments [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(16)	(14)
Other comprehensive income before reclassifications	0	(5)
Amounts reclassified from AOCL	15	0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	15	(5)
Ending balance	$ (1)	$ (19)