Amount of costs incurred to date for the specified restructuring cost.

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-Section 50
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Amount expected to be recognized in earnings for the specified restructuring cost.

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The expected number of positions to be eliminated as a result of restructuring activities.

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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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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Restructuring and Other Charges (Additional Information) (Details) $ in Millions	1 Months Ended	12 Months Ended
	Aug. 31, 2016 USD ($) employee	Jul. 29, 2017 USD ($)	Jul. 30, 2016 USD ($)	Jul. 25, 2015 USD ($)	Aug. 31, 2014 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring charges (credit)		$ 756	$ 268	$ 484
Fiscal 2017 plan
Restructuring Cost and Reserve [Line Items]
Expected number of employees impacted by restructuring plan (employee) \| employee	6,600
Expected pretax restructuring charges	$ 850	850
Expected restructuring charges		$ 756
Fiscal 2015 plan
Restructuring Cost and Reserve [Line Items]
Cumulative pre-tax restructuring charges					$ 756
Fiscal 2015 plan \| Cost of sales
Restructuring Cost and Reserve [Line Items]
Restructuring charges (credit)			$ (2)	$ 5