Supplemental Financial Statement Data Accumulated Other Comprehensive Income Reclassifications (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 29, 2017	Dec. 30, 2016	Dec. 29, 2017	Dec. 30, 2016
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Cost of revenue	$ 3,323	$ 3,355	$ 6,591	$ 6,734
Research and development	629	585	1,221	1,224
Total reclassifications for the period	4	16	1	42
Accumulated net gain (loss) from cash flow hedges attributable to parent
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Unrealized holding gain on designated hedging activities	4	16	1	42
Foreign exchange contracts | Reclassification out of Accumulated Other Comprehensive Income | Accumulated Net Gain (Loss) from Cash Flow Hedges Including Portion Attributable to Noncontrolling Interest
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Cost of revenue	4	16	1	40
Research and development	$ 0	$ 0	$ 0	$ 2