LONG-TERM DEBT AND FINANCE LEASE OBLIGATIONS - Schedule of Long-term Debt (Details) - USD ($) $ in Millions	Jun. 17, 2023	Feb. 25, 2023
Debt Instrument [Line Items]
Finance lease obligations	$ 501.9	$ 517.1
Total debt	8,399.2	8,910.1
Less current maturities	(574.2)	(1,075.7)
Long-term portion	7,825.0	7,834.4
Other financing obligations
Debt Instrument [Line Items]
Long-term debt, gross	28.7	28.8
Senior Notes \| Senior Unsecured Notes due 2026 to 2030, interest rate range of 3.25% to 7.50%
Debt Instrument [Line Items]
Long-term debt, gross	$ 6,499.5	6,496.4
Senior Notes \| Senior Unsecured Notes due 2026 to 2030, interest rate range of 3.25% to 7.50% \| Minimum
Debt Instrument [Line Items]
Stated interest rate percentage	3.25%
Senior Notes \| Senior Unsecured Notes due 2026 to 2030, interest rate range of 3.25% to 7.50% \| Maximum
Debt Instrument [Line Items]
Stated interest rate percentage	7.50%
Notes Payable \| Safeway Inc. Notes due 2027 to 2031, interest rate range of 7.25% to 7.45%
Debt Instrument [Line Items]
Long-term debt, gross	$ 375.1	374.9
Notes Payable \| Safeway Inc. Notes due 2027 to 2031, interest rate range of 7.25% to 7.45% \| Minimum
Debt Instrument [Line Items]
Stated interest rate percentage	7.25%
Notes Payable \| Safeway Inc. Notes due 2027 to 2031, interest rate range of 7.25% to 7.45% \| Maximum
Debt Instrument [Line Items]
Stated interest rate percentage	7.45%
Notes Payable \| New Albertsons L.P. Notes due 2026 to 2031, interest rate range of 6.52% to 8.70%
Debt Instrument [Line Items]
Long-term debt, gross	$ 477.3	476.2
Notes Payable \| New Albertsons L.P. Notes due 2026 to 2031, interest rate range of 6.52% to 8.70% \| Minimum
Debt Instrument [Line Items]
Stated interest rate percentage	6.52%
Notes Payable \| New Albertsons L.P. Notes due 2026 to 2031, interest rate range of 6.52% to 8.70% \| Maximum
Debt Instrument [Line Items]
Stated interest rate percentage	8.70%
Notes Payable \| ABL Facility
Debt Instrument [Line Items]
Long-term debt, gross	$ 500.0	1,000.0
Mortgage Notes Payable \| Mortgage notes payable, secured
Debt Instrument [Line Items]
Long-term debt, gross	$ 16.7	$ 16.7

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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