EMPLOYEE BENEFIT PLANS AND COLLECTIVE BARGAINING AGREEMENTS - Schedule of Plan Assets Allocation (Details) - Pension	Feb. 22, 2025	Feb. 24, 2024
Safeway Plan
Defined Benefit Plan Disclosure [Line Items]
Target	100.00%
Plan Assets	100.00%	100.00%
Safeway Plan | Return-seeking
Defined Benefit Plan Disclosure [Line Items]
Target	62.00%
Plan Assets	63.40%	76.80%
Safeway Plan | Liability-hedging
Defined Benefit Plan Disclosure [Line Items]
Target	38.00%
Plan Assets	36.60%	23.20%
Shaw's Plan
Defined Benefit Plan Disclosure [Line Items]
Target	100.00%
Plan Assets	100.00%	100.00%
Shaw's Plan | Return-seeking
Defined Benefit Plan Disclosure [Line Items]
Target	59.00%
Plan Assets	58.90%	63.90%
Shaw's Plan | Liability-hedging
Defined Benefit Plan Disclosure [Line Items]
Target	41.00%
Plan Assets	41.10%	36.10%
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	18.10%	13.90%
Safeway VAPP | Fixed income
Defined Benefit Plan Disclosure [Line Items]
Target	60.00%
Plan Assets	60.90%	58.90%
Safeway VAPP | Other
Defined Benefit Plan Disclosure [Line Items]
Target	25.00%
Plan Assets	18.50%	23.50%
Safeway VAPP | Cash
Defined Benefit Plan Disclosure [Line Items]
Target	0.00%
Plan Assets	2.50%	3.70%