EMPLOYEE BENEFIT PLANS AND COLLECTIVE BARGAINING AGREEMENTS - Schedule of Plan Assets Allocation (Details) - Pension	Feb. 28, 2026	Feb. 22, 2025
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	56.00%
Plan Assets	59.10%	63.40%
Safeway Plan \| Liability-hedging
Defined Benefit Plan Disclosure [Line Items]
Target	44.00%
Plan Assets	40.90%	36.60%
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	50.00%
Plan Assets	51.10%	58.90%
Shaw's Plan \| Liability-hedging
Defined Benefit Plan Disclosure [Line Items]
Target	50.00%
Plan Assets	48.90%	41.10%
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	16.30%	18.10%
Safeway VAPP \| Fixed income
Defined Benefit Plan Disclosure [Line Items]
Target	60.00%
Plan Assets	57.70%	60.90%
Safeway VAPP \| Other
Defined Benefit Plan Disclosure [Line Items]
Target	25.00%
Plan Assets	19.00%	18.50%
Safeway VAPP \| Cash
Defined Benefit Plan Disclosure [Line Items]
Target	0.00%
Plan Assets	7.00%	2.50%

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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Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

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Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

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