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SHARE-BASED AWARDS - Share-Based Compensation Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 31, 2021	Aug. 01, 2020	Aug. 03, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity classified awards	$ 1		$ 1
Liability classified awards		$ 1	32
Restricted stock awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	36	23	23
Supervalu replacement awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	5	9	14
Performance-based share awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	8	2	3
Operating expenses
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	49	34	40
Income tax benefit	(13)	(9)	(10)
Share-based compensation expense, net of tax	36	25	30
Restructuring, acquisition and integration related expenses
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	1	1	33
Income tax benefit	0	0	(9)
Share-based compensation expense, net of tax	$ 1	$ 1	$ 24

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Equity Classified Awards

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Liability Classified Awards

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 718
-SubTopic 10
-Section 50
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