COMPREHENSIVE INCOME (LOSS) AND ACCUMULATED COMPREHENSIVE LOSS - Additional Information (Details) (USD $) In Millions, unless otherwise specified	4 Months Ended
Jun. 15, 2013
Equity [Abstract]
Divestiture of NAI pension plan accumulated other comprehensive loss	$ (48)

Divestiture Of Businesses Pension Plan Obligation Accumulated Other Comprehensive Income (Loss) Net Of Tax

No definition available.

Name:	svu_DivestitureOfBusinessesPensionPlanObligationAccumulatedOtherComprehensiveIncomeLossNetOfTax
Namespace Prefix:	svu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration