CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Millions, unless otherwise specified	12 Months Ended
Feb. 28, 2015	Feb. 22, 2014	Feb. 23, 2013
Statement of Comprehensive Income [Abstract]
Net earnings (loss) including noncontrolling interests	$ 199us-gaap_ProfitLoss	$ 189us-gaap_ProfitLoss	$ (1,456)us-gaap_ProfitLoss
Other comprehensive (loss) income:
Recognition of pension and other postretirement benefits (loss) income, net of tax benefit (expense) of $27, $(123) and $(22), respectively	(116)	257	45
Comprehensive income (loss) including noncontrolling interests	83	446	(1,411)
Less comprehensive income attributable to noncontrolling interests	(7)	(7)	(10)
Comprehensive income (loss) attributable to SUPERVALU INC.	$ 76us-gaap_ComprehensiveIncomeNetOfTax	$ 439us-gaap_ComprehensiveIncomeNetOfTax	$ (1,421)us-gaap_ComprehensiveIncomeNetOfTax

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax and reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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