Shareholders' Equity - Stock-Based Compensation Expense (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jan. 03, 2020	Dec. 28, 2018	Jan. 03, 2020	Dec. 28, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expenses on stock-based compensation	$ 77	$ 79	$ 154	$ 158
Tax benefit	(11)	(14)	(23)	(25)
Total	66	65	131	133
Cost of revenue
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expenses on stock-based compensation	13	13	25	24
Research and development
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expenses on stock-based compensation	41	42	82	81
Selling, general and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expenses on stock-based compensation	23	24	47	53
Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expenses on stock-based compensation	2	4	4	9
Restricted and performance stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expenses on stock-based compensation	70	70	136	137
Employee stock purchase plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expenses on stock-based compensation	$ 5	$ 5	$ 14	$ 12

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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