EMPLOYEE BENEFIT PLANS AND COLLECTIVE BARGAINING AGREEMENTS - Schedule of Plan Assets Allocation (Details) - Pension	Feb. 24, 2024	Feb. 25, 2023
Safeway Plan
Defined Benefit Plan Disclosure [Line Items]
Target	100.00%
Plan Assets	100.00%	100.00%
Safeway Plan | Equity
Defined Benefit Plan Disclosure [Line Items]
Target	75.00%
Plan Assets	76.80%	74.00%
Safeway Plan | Fixed income
Defined Benefit Plan Disclosure [Line Items]
Target	25.00%
Plan Assets	21.40%	23.70%
Safeway Plan | Cash and other
Defined Benefit Plan Disclosure [Line Items]
Target	0.00%
Plan Assets	1.80%	2.30%
Shaw's Plan
Defined Benefit Plan Disclosure [Line Items]
Target	100.00%
Plan Assets	100.00%	100.00%
Shaw's Plan | Equity
Defined Benefit Plan Disclosure [Line Items]
Target	61.00%
Plan Assets	63.90%	66.40%
Shaw's Plan | Fixed income
Defined Benefit Plan Disclosure [Line Items]
Target	39.00%
Plan Assets	34.70%	32.50%
Shaw's Plan | Cash and other
Defined Benefit Plan Disclosure [Line Items]
Target	0.00%
Plan Assets	1.40%	1.10%
United Plan
Defined Benefit Plan Disclosure [Line Items]
Target	100.00%
Plan Assets	100.00%	100.00%
United Plan | Equity
Defined Benefit Plan Disclosure [Line Items]
Target	0.00%
Plan Assets	3.00%	41.50%
United Plan | Fixed income
Defined Benefit Plan Disclosure [Line Items]
Target	100.00%
Plan Assets	95.20%	54.50%
United Plan | Cash and other
Defined Benefit Plan Disclosure [Line Items]
Target	0.00%
Plan Assets	1.80%	4.00%
Safeway VAPP
Defined Benefit Plan Disclosure [Line Items]
Target	100.00%
Plan Assets	100.00%	100.00%
Safeway VAPP | Equity
Defined Benefit Plan Disclosure [Line Items]
Target	15.00%
Plan Assets	13.90%	0.00%
Safeway VAPP | Fixed income
Defined Benefit Plan Disclosure [Line Items]
Target	60.00%
Plan Assets	58.90%	0.00%
Safeway VAPP | Cash and other
Defined Benefit Plan Disclosure [Line Items]
Target	0.00%
Plan Assets	3.70%	96.60%
Safeway VAPP | Other
Defined Benefit Plan Disclosure [Line Items]
Target	25.00%
Plan Assets	23.50%	3.40%