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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Amount, after accumulated amortization, of debt discount.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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LONG-TERM DEBT - Schedule of Long-term Debt (Details) - USD ($) $ in Millions	Feb. 23, 2019	Feb. 05, 2019	Feb. 24, 2018	Aug. 09, 2016	May 31, 2016
Debt Instrument [Line Items]
Unamortized debt discounts	$ 197.0		$ 249.6
Deferred financing costs	65.2		79.7
Total debt	9,824.1		11,011.2
Less current maturities	(51.5)		(66.1)
Long-term portion	9,772.6		10,945.1
Secured debt \| Albertsons Term Loans, due 2022 to 2025, interest range of 4.32% to 5.69%
Debt Instrument [Line Items]
Total debt	$ 4,610.7		5,610.7
Secured debt \| Minimum \| Albertsons Term Loans, due 2022 to 2025, interest range of 4.32% to 5.69%
Debt Instrument [Line Items]
Stated interest rate	4.32%
Secured debt \| Maximum \| Albertsons Term Loans, due 2022 to 2025, interest range of 4.32% to 5.69%
Debt Instrument [Line Items]
Stated interest rate	5.69%
Senior notes \| Senior Unsecured Notes due 2024, 2025 and 2026, interest rate of 6.625%, 5.750% and 7.5%, respectively
Debt Instrument [Line Items]
Total debt	$ 3,071.6		2,476.1
Senior notes \| Senior Unsecured Notes, Maturity 2024
Debt Instrument [Line Items]
Stated interest rate	6.625%				6.625%
Senior notes \| Senior Unsecured Notes, Maturity 2025
Debt Instrument [Line Items]
Stated interest rate	5.75%			5.75%
Senior notes \| Senior Unsecured Notes, Maturity 2026
Debt Instrument [Line Items]
Stated interest rate	7.50%	7.50%
Senior notes \| Safeway Inc. 5.00% Senior Notes due 2019
Debt Instrument [Line Items]
Total debt	$ 0.0		269.5
Stated interest rate	5.00%
Senior notes \| Safeway Inc. 3.95% Senior Notes due 2020
Debt Instrument [Line Items]
Total debt	$ 137.2		137.5
Stated interest rate	3.95%
Senior notes \| Safeway Inc. 4.75% Senior Notes due 2021
Debt Instrument [Line Items]
Total debt	$ 130.6		130.8
Stated interest rate	4.75%
Senior notes \| Safeway Inc. 7.45% Senior Debentures due 2027
Debt Instrument [Line Items]
Total debt	$ 129.2		152.5
Stated interest rate	7.45%
Medium-term notes \| New Albertson's L.P. 6.52% to 7.15% Medium Term Notes due 2027 - 2028
Debt Instrument [Line Items]
Total debt	$ 154.0		190.9
Medium-term notes \| Minimum \| New Albertson's L.P. 6.52% to 7.15% Medium Term Notes due 2027 - 2028
Debt Instrument [Line Items]
Stated interest rate	6.52%
Medium-term notes \| Maximum \| New Albertson's L.P. 6.52% to 7.15% Medium Term Notes due 2027 - 2028
Debt Instrument [Line Items]
Stated interest rate	7.15%
Notes payable \| Safeway Inc. 7.25% Debentures due 2031
Debt Instrument [Line Items]
Total debt	$ 278.3		576.6
Stated interest rate	7.25%
Notes payable \| New Albertson's L.P. 7.75% Debentures due 2026
Debt Instrument [Line Items]
Total debt	$ 143.0		140.1
Stated interest rate	7.75%
Notes payable \| New Albertson's L.P. 7.45% Debentures due 2029
Debt Instrument [Line Items]
Total debt	$ 484.2		525.5
Stated interest rate	7.45%
Notes payable \| New Albertson's L.P. 8.70% Debentures due 2030
Debt Instrument [Line Items]
Total debt	$ 186.8		186.6
Stated interest rate	8.70%
Notes payable \| New Albertson's L.P. 8.00% Debentures due 2031
Debt Instrument [Line Items]
Total debt	$ 354.3		350.8
Stated interest rate	8.00%
Other notes payable \| Other financing liabilities, unsecured
Debt Instrument [Line Items]
Total debt	$ 125.4		242.7
Mortgage notes payable \| Mortgage notes payable, secured
Debt Instrument [Line Items]
Total debt	$ 18.8		$ 20.9