Employee Termination, Asset Impairment and Other Charges - Expense Recognition (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jan. 03, 2020	Dec. 28, 2018	Jan. 03, 2020	Dec. 28, 2018
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 26	$ 20	$ 34	$ 66
Gain on disposition of assets	(17)	0	(17)	0
Total employee termination, asset impairment, and other charges	9	20	17	66
Closure of Foreign Manufacturing Facilities
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	7	4	11
Business Realignment
Restructuring Cost and Reserve [Line Items]
Restructuring charges	26	13	30	55
Gain on disposition of assets	$ (17)	$ 0	$ (17)	$ 0

Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan and expenses resulting from the write-down of assets. Excludes expenses related to a business combination, a discontinued operation or an asset retirement obligation.

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