COMMITMENTS AND CONTINGENCIES AND OFF BALANCE SHEET ARRANGEMENTS - Legal Contingencies (Details) $ in Millions	9 Months Ended	12 Months Ended
	Nov. 30, 2019 USD ($) lawsuit	Jan. 03, 2015 claim store	Aug. 29, 2018 claim	Feb. 27, 2016 incident
Security breach
Loss Contingencies [Line Items]
Number of stores | store		800
Number of claims filed and dismissed		2
Security breach | Threatened litigation
Loss Contingencies [Line Items]
Number of data breach incidents | incident				2
Safeway's 401(k) Plan | Pending litigation | Safeway Inc
Loss Contingencies [Line Items]
Number of lawsuits filed against the company | lawsuit	2
Qui Tam Lawsuits | Pending litigation
Loss Contingencies [Line Items]
Number of lawsuits filed against the company | lawsuit	2
Qui Tam Lawsuits | Pending litigation | Minimum
Loss Contingencies [Line Items]
Loss contingency, amount of damages sought (in excess of) | $	$ 100
Various State Courts | Threatened litigation
Loss Contingencies [Line Items]
Number of lawsuits filed against the company			70
Consolidated cases for multidistrict litigation
Loss Contingencies [Line Items]
Number of lawsuits filed against the company			2,000