DESCRIPTION OF BUSINESS, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Sales Revenue by Product Type (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 22, 2025	Feb. 24, 2024	Feb. 25, 2023
Concentration Risk [Line Items]
Net sales and other revenue	$ 80,390.9	$ 79,237.7	$ 77,649.7
Sales Revenue, Product Line | Product Concentration Risk
Concentration Risk [Line Items]
Percentage of total net sales and other revenue	100.00%	100.00%	100.00%
Non-perishables
Concentration Risk [Line Items]
Net sales and other revenue	$ 40,102.8	$ 39,977.3	$ 39,142.4
Non-perishables | Sales Revenue, Product Line | Product Concentration Risk
Concentration Risk [Line Items]
Percentage of total net sales and other revenue	49.90%	50.50%	50.40%
Fresh
Concentration Risk [Line Items]
Net sales and other revenue	$ 25,507.3	$ 25,442.7	$ 25,585.4
Fresh | Sales Revenue, Product Line | Product Concentration Risk
Concentration Risk [Line Items]
Percentage of total net sales and other revenue	31.70%	32.10%	32.90%
Pharmacy
Concentration Risk [Line Items]
Net sales and other revenue	$ 9,597.2	$ 8,240.0	$ 6,769.3
Pharmacy | Sales Revenue, Product Line | Product Concentration Risk
Concentration Risk [Line Items]
Percentage of total net sales and other revenue	11.90%	10.40%	8.70%
Fuel
Concentration Risk [Line Items]
Net sales and other revenue	$ 3,980.6	$ 4,396.7	$ 4,857.6
Fuel | Sales Revenue, Product Line | Product Concentration Risk
Concentration Risk [Line Items]
Percentage of total net sales and other revenue	5.00%	5.50%	6.30%
Other
Concentration Risk [Line Items]
Net sales and other revenue	$ 1,203.0	$ 1,181.0	$ 1,295.0
Other | Sales Revenue, Product Line | Product Concentration Risk
Concentration Risk [Line Items]
Percentage of total net sales and other revenue	1.50%	1.50%	1.70%