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. 24, 2024	Feb. 25, 2023	Feb. 26, 2022
Concentration Risk [Line Items]
Net sales and other revenue	$ 79,237.7	$ 77,649.7	$ 71,887.0
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	$ 39,977.3	$ 39,142.4	$ 36,486.7
Non-perishables | Sales Revenue, Product Line | Product Concentration Risk
Concentration Risk [Line Items]
Percentage of total net sales and other revenue	50.50%	50.40%	50.80%
Fresh
Concentration Risk [Line Items]
Net sales and other revenue	$ 25,442.7	$ 25,585.4	$ 24,636.8
Fresh | Sales Revenue, Product Line | Product Concentration Risk
Concentration Risk [Line Items]
Percentage of total net sales and other revenue	32.10%	32.90%	34.30%
Pharmacy
Concentration Risk [Line Items]
Net sales and other revenue	$ 8,240.0	$ 6,769.3	$ 5,823.3
Pharmacy | Sales Revenue, Product Line | Product Concentration Risk
Concentration Risk [Line Items]
Percentage of total net sales and other revenue	10.40%	8.70%	8.10%
Fuel
Concentration Risk [Line Items]
Net sales and other revenue	$ 4,396.7	$ 4,857.6	$ 3,747.5
Fuel | Sales Revenue, Product Line | Product Concentration Risk
Concentration Risk [Line Items]
Percentage of total net sales and other revenue	5.50%	6.30%	5.20%
Other
Concentration Risk [Line Items]
Net sales and other revenue	$ 1,181.0	$ 1,295.0	$ 1,192.7
Other | Sales Revenue, Product Line | Product Concentration Risk
Concentration Risk [Line Items]
Percentage of total net sales and other revenue	1.50%	1.70%	1.60%