COMMITMENTS AND CONTINGENCIES AND OFF BALANCE SHEET ARRANGEMENTS - Legal Contingencies (Details) $ in Millions	12 Months Ended
Feb. 29, 2020 USD ($) lawsuit
Safeway's 401(k) Plan \| Pending litigation \| Safeway Inc
Loss Contingencies [Line Items]
Number of lawsuits filed against the company	2
Qui Tam Lawsuits \| Pending litigation
Loss Contingencies [Line Items]
Number of lawsuits filed against the company	2
Qui Tam Lawsuits \| Pending litigation \| Minimum
Loss Contingencies [Line Items]
Damages sought in a lawsuit \| $	$ 100
Consolidated cases for multidistrict litigation
Loss Contingencies [Line Items]
Number of lawsuits filed against the company	2,000

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
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-URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14557-108349

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14435-108349

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14326-108349

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