BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Sales Revenue by Similar Products (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Nov. 29, 2025	Nov. 30, 2024	Nov. 29, 2025	Nov. 30, 2024
Concentration Risk [Line Items]
Net sales and other revenue	$ 19,123.7	$ 18,774.5	$ 62,920.3	$ 61,591.4
Product Line \| Product Concentration Risk
Concentration Risk [Line Items]
Net sales and other revenue	$ 19,123.7	$ 18,774.5	$ 62,920.3	$ 61,591.4
Percentage of total net sales and other revenue	100.00%	100.00%	100.00%	100.00%
Non-perishables \| Product Line \| Product Concentration Risk
Concentration Risk [Line Items]
Net sales and other revenue	$ 9,210.5	$ 9,299.9	$ 30,572.7	$ 30,618.9
Percentage of total net sales and other revenue	48.20%	49.50%	48.60%	49.70%
Fresh \| Product Line \| Product Concentration Risk
Concentration Risk [Line Items]
Net sales and other revenue	$ 5,719.2	$ 5,735.2	$ 19,652.6	$ 19,557.5
Percentage of total net sales and other revenue	29.90%	30.50%	31.20%	31.80%
Pharmacy \| Product Line \| Product Concentration Risk
Concentration Risk [Line Items]
Net sales and other revenue	$ 3,036.2	$ 2,581.9	$ 8,728.0	$ 7,336.7
Percentage of total net sales and other revenue	15.90%	13.80%	13.90%	11.90%
Fuel \| Product Line \| Product Concentration Risk
Concentration Risk [Line Items]
Net sales and other revenue	$ 852.7	$ 885.2	$ 2,993.9	$ 3,157.4
Percentage of total net sales and other revenue	4.40%	4.70%	4.80%	5.10%
Other \| Product Line \| Product Concentration Risk
Concentration Risk [Line Items]
Net sales and other revenue	$ 305.1	$ 272.3	$ 973.1	$ 920.9
Percentage of total net sales and other revenue	1.60%	1.50%	1.50%	1.50%

Albertsons Companies, Inc. 10-Q