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. 30, 2019	Dec. 01, 2018	Nov. 30, 2019	Dec. 01, 2018
Concentration Risk [Line Items]
Net sales and other revenue	$ 14,103.2	$ 13,840.4	$ 47,018.3	$ 46,517.9
Product line | Product concentration risk
Concentration Risk [Line Items]
Net sales and other revenue	$ 14,103.2	$ 13,840.4	$ 47,018.3	$ 46,517.9
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	$ 6,168.2	$ 6,032.9	$ 20,362.4	$ 20,186.0
Percentage of total net sales and other revenue	43.70%	43.60%	43.30%	43.40%
Perishables | Product line | Product concentration risk
Concentration Risk [Line Items]
Net sales and other revenue	$ 5,691.5	$ 5,596.5	$ 19,347.7	$ 19,099.1
Percentage of total net sales and other revenue	40.40%	40.50%	41.10%	41.00%
Pharmacy | Product line | Product concentration risk
Concentration Risk [Line Items]
Net sales and other revenue	$ 1,228.5	$ 1,194.5	$ 3,958.2	$ 3,847.0
Percentage of total net sales and other revenue	8.70%	8.60%	8.40%	8.30%
Fuel | Product line | Product concentration risk
Concentration Risk [Line Items]
Net sales and other revenue	$ 794.3	$ 831.3	$ 2,664.0	$ 2,785.4
Percentage of total net sales and other revenue	5.60%	6.00%	5.70%	6.00%
Other | Product line | Product concentration risk
Concentration Risk [Line Items]
Net sales and other revenue	$ 220.7	$ 185.2	$ 686.0	$ 600.4
Percentage of total net sales and other revenue	1.60%	1.30%	1.50%	1.30%