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LONG-TERM DEBT AND FINANCE LEASE OBLIGATIONS - Schedule of Long-term Debt (Details) - USD ($) $ in Millions	Nov. 30, 2019	Nov. 22, 2019	Aug. 15, 2019	Feb. 23, 2019
Debt Instrument [Line Items]
Finance lease obligations (see Note 5)	$ 702.3
Finance lease obligations (see Note 5)				$ 762.3
Total debt	8,749.2
Total debt				10,586.4
Less current maturities	(133.3)			(148.8)
Long-term portion	$ 8,615.9			10,437.6
Asset-Based Loan Facility
Debt Instrument [Line Items]
Stated interest rate percentage	5.00%
Secured debt \| Albertsons Term Loans due 2025 to 2026, interest rate range of 4.45% to 5.69%
Debt Instrument [Line Items]
Long-term debt, gross	$ 2,311.5			4,610.7
Secured debt \| Albertsons Term Loans due 2025 to 2026, interest rate range of 4.45% to 5.69% \| Minimum
Debt Instrument [Line Items]
Stated interest rate percentage	4.45%
Secured debt \| Albertsons Term Loans due 2025 to 2026, interest rate range of 4.45% to 5.69% \| Maximum
Debt Instrument [Line Items]
Stated interest rate percentage	5.69%
Senior notes \| Senior Unsecured Notes due 2024, 2025, 2026, 2027 and 2028, interest rate of 6.625%, 5.750%, 7.5%, 4.625% and 5.875%, respectively
Debt Instrument [Line Items]
Long-term debt, gross	$ 4,554.3			3,071.6
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%	4.625%
Senior notes \| Senior Unsecured Notes, due 2028, interest rate of 5.875%
Debt Instrument [Line Items]
Stated interest rate percentage	5.875%		5.875%
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	$ 465.5			1,322.3
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 \| Safeway Inc. Notes due 2020 to 2031, interest rate range of 3.95% to 7.45%
Debt Instrument [Line Items]
Long-term debt, gross	$ 641.9			675.3
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%
Line of credit \| Asset-Based Loan Facility
Debt Instrument [Line Items]
Long-term debt, gross	$ 18.0			0.0
Other notes payable \| Other Notes Payable, unsecured
Debt Instrument [Line Items]
Long-term debt, gross	37.3			125.4
Mortgage notes payable \| Mortgage Notes Payable, secured
Debt Instrument [Line Items]
Long-term debt, gross	$ 18.4			$ 18.8