COMMITMENTS AND CONTINGENCIES (Details) (Ralphs Grocery Company and Subsidiaries tax litigation, USD $) In Millions, unless otherwise specified	12 Months Ended
Jan. 28, 2012 D
Ralphs Grocery Company and Subsidiaries tax litigation
Commitments and Contingencies
Maximum period of filing the appeal (in days)	90
Estimated liability upon an adverse decision	$ 553

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

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