Comprehensive Income and Accumulated Other Comprehensive Loss - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	4 Months Ended	9 Months Ended
Jun. 15, 2013	Nov. 29, 2014	Nov. 30, 2013
Equity [Abstract]
Accumulated other comprehensive loss	$ 48	$ 0	$ (48)

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

No definition available.

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