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SIGNIFICANT ACCOUNTING POLICIES - Treasury Stock (Details) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Jul. 31, 2021	Aug. 01, 2020	Aug. 03, 2019	Oct. 06, 2017
Accounting Policies [Abstract]
Stock repurchase program, authorized amount				$ 200
Number of shares repurchased	0	0	0
Remaining authorized repurchase amount	$ 176

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Amount of stock repurchase plan authorized.

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Amount remaining of a stock repurchase plan authorized.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
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-Name Accounting Standards Codification
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-SubTopic 10
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