LONG-TERM DEBT AND FINANCE LEASE OBLIGATIONS - Schedule of Long-term Debt (Details) - USD ($) $ in Millions	Jun. 20, 2020	Feb. 29, 2020
Debt Instrument [Line Items]
Finance lease obligations	$ 652.7	$ 666.7
Total debt	8,703.6	8,714.7
Less current maturities	(219.1)	(221.4)
Long-term portion	8,484.5	8,493.3
Senior notes \| Senior Unsecured Notes due 2023, 2024, 2025, 2026, 2027, 2028 and 2030, interest rate of 3.5%, 6.625%, 5.750%, 7.5%, 4.625%, 5.875% and 4.875%, respectively
Debt Instrument [Line Items]
Long-term debt, gross	$ 6,887.7	6,884.5
Senior notes \| Senior Unsecured Notes due 2023, interest rate of 3.5%
Debt Instrument [Line Items]
Stated interest rate percentage	3.50%
Senior notes \| Senior Unsecured Notes due 2024, interest rate of 6.625%
Debt Instrument [Line Items]
Stated interest rate percentage	6.625%
Senior notes \| Senior Unsecured Notes due 2025, interest rate 5.750%
Debt Instrument [Line Items]
Stated interest rate percentage	5.75%
Senior notes \| Senior Unsecured Notes due 2026, interest rate of 7.5%
Debt Instrument [Line Items]
Stated interest rate percentage	7.50%
Senior notes \| Senior Unsecured Notes, due 2027, interest rate of 4.625%
Debt Instrument [Line Items]
Stated interest rate percentage	4.625%
Senior notes \| Senior Unsecured Notes, due 2028, interest rate of 5.875%
Debt Instrument [Line Items]
Stated interest rate percentage	5.875%
Senior notes \| Senior Unsecured Notes, due 2030, interest rate of 4.875%
Debt Instrument [Line Items]
Stated interest rate percentage	4.875%
Notes payable \| Safeway Inc. Notes due 2020 to 2031, interest rate range of 3.95% to 7.45%
Debt Instrument [Line Items]
Long-term debt, gross	$ 641.1	642.1
Notes payable \| Safeway Inc. Notes due 2020 to 2031, interest rate range of 3.95% to 7.45% \| Minimum
Debt Instrument [Line Items]
Stated interest rate percentage	3.95%
Notes payable \| Safeway Inc. Notes due 2020 to 2031, interest rate range of 3.95% 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	$ 466.9	466.0
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%
Other notes payable \| Other Notes Payable, unsecured
Debt Instrument [Line Items]
Long-term debt, gross	$ 37.2	37.2
Mortgage notes payable \| Mortgage Notes Payable, secured
Debt Instrument [Line Items]
Long-term debt, gross	$ 18.0	$ 18.2

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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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Present value of lessee's discounted obligation for lease payments from finance lease.

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Amount of long-term debt and lease obligation, classified as noncurrent.

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Amount of long-term debt and lease obligation, classified as current.

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Amount of long-term debt and lease obligation, including portion classified as current.

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