BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Sales Revenue by Similar Products (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Sep. 12, 2026	Sep. 06, 2025	Sep. 12, 2026	Sep. 06, 2025
Concentration Risk [Line Items]
Net sales and other revenue	$ 18,894.7	$ 18,915.8	$ 43,836.3	$ 43,796.6
Sales Revenue, Product Line \| Product Concentration Risk
Concentration Risk [Line Items]
Net sales and other revenue	$ 18,894.7	$ 18,915.8
Percentage of total net sales and other revenue	100.00%	100.00%	100.00%	100.00%
Non-perishables
Concentration Risk [Line Items]
Net sales and other revenue			$ 20,963.5	$ 21,362.2
Non-perishables \| Sales Revenue, Product Line \| Product Concentration Risk
Concentration Risk [Line Items]
Net sales and other revenue	$ 9,087.8	$ 9,220.5
Percentage of total net sales and other revenue	48.10%	48.80%	47.80%	48.80%
Fresh
Concentration Risk [Line Items]
Net sales and other revenue			$ 13,662.6	$ 13,933.4
Fresh \| Sales Revenue, Product Line \| Product Concentration Risk
Concentration Risk [Line Items]
Net sales and other revenue	$ 5,779.5	$ 5,946.6
Percentage of total net sales and other revenue	30.60%	31.40%	31.20%	31.80%
Pharmacy
Concentration Risk [Line Items]
Net sales and other revenue			$ 5,971.6	$ 5,691.8
Pharmacy \| Sales Revenue, Product Line \| Product Concentration Risk
Concentration Risk [Line Items]
Net sales and other revenue	$ 2,667.6	$ 2,536.8
Percentage of total net sales and other revenue	14.10%	13.40%	13.60%	13.00%
Fuel
Concentration Risk [Line Items]
Net sales and other revenue			$ 2,504.9	$ 2,141.2
Fuel \| Sales Revenue, Product Line \| Product Concentration Risk
Concentration Risk [Line Items]
Net sales and other revenue	$ 1,041.0	$ 911.3
Percentage of total net sales and other revenue	5.50%	4.80%	5.70%	4.90%
Other
Concentration Risk [Line Items]
Net sales and other revenue			$ 733.7	$ 668.0
Other \| Sales Revenue, Product Line \| Product Concentration Risk
Concentration Risk [Line Items]
Net sales and other revenue	$ 318.8	$ 300.6
Percentage of total net sales and other revenue	1.70%	1.60%	1.70%	1.50%