Condensed Consolidated Segment Financial Information (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
Nov. 29, 2014	Nov. 30, 2013	Nov. 29, 2014	Nov. 30, 2013
Net sales
Net sales	$ 4,204us-gaap_SalesRevenueNet	$ 4,012us-gaap_SalesRevenueNet	$ 13,456us-gaap_SalesRevenueNet	$ 13,200us-gaap_SalesRevenueNet
Net sales, %	100.00%svu_SalesRevenueNetPercentToNetSales	100.00%svu_SalesRevenueNetPercentToNetSales	100.00%svu_SalesRevenueNetPercentToNetSales	100.00%svu_SalesRevenueNetPercentToNetSales
Operating earnings
Operating earnings	56us-gaap_OperatingIncomeLoss	106us-gaap_OperatingIncomeLoss	285us-gaap_OperatingIncomeLoss	302us-gaap_OperatingIncomeLoss
Total operating earnings % of total net sales	1.30%	2.60%	2.10%	2.30%
Interest expense, net	46us-gaap_InterestIncomeExpenseNet	52us-gaap_InterestIncomeExpenseNet	156us-gaap_InterestIncomeExpenseNet	352us-gaap_InterestIncomeExpenseNet
Equity in earnings of unconsolidated affiliates	(1)	0	(3)	(2)
Earnings (loss) from continuing operations before income taxes	11	54	132	(48)
Income tax (benefit) provision	(1)us-gaap_IncomeTaxExpenseBenefit	21us-gaap_IncomeTaxExpenseBenefit	41us-gaap_IncomeTaxExpenseBenefit	(19)us-gaap_IncomeTaxExpenseBenefit
Net earnings (loss) from continuing operations	12	33	91	(29)
Income (loss) from discontinued operations, net of tax	69	(1)	68	190
Net earnings including noncontrolling interests	81us-gaap_ProfitLoss	32us-gaap_ProfitLoss	159us-gaap_ProfitLoss	161us-gaap_ProfitLoss
Less net earnings attributable to noncontrolling interests	(2)	(1)	(6)	(5)
Net earnings attributable to SUPERVALU INC.	79us-gaap_NetIncomeLoss	31us-gaap_NetIncomeLoss	153us-gaap_NetIncomeLoss	156us-gaap_NetIncomeLoss
Independent Business [Member]
Net sales
Net sales	1,958	1,912	6,178	6,215
Net sales, %	46.60%	47.70%	45.90%	47.10%
Operating earnings
Operating earnings	60	53	180	181
% of sales	3.10%	2.80%	2.90%	2.90%
Save-A-Lot [Member]
Net sales
Net sales	1,079	991	3,477	3,229
Net sales, %	25.70%	24.70%	25.80%	24.40%
Operating earnings
Operating earnings	34	40	106	124
% of sales	3.20%	4.10%	3.00%	3.80%
Retail Food [Member]
Net sales
Net sales	1,124	1,061	3,656	3,562
Net sales, %	26.70%	26.40%	27.20%	27.00%
Operating earnings
Operating earnings	28	25	78	39
% of sales	2.50%	2.30%	2.10%	1.10%
Corporate [Member]
Net sales
Net sales	43	48	145	194
Net sales, %	1.00%	1.20%	1.10%	1.50%
Operating earnings
Operating earnings	$ (66)	$ (12)	$ (79)	$ (42)

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Amount of income (loss) from a disposal group, net of income tax, reported as a separate component of income before extraordinary items after deduction or consideration of the amount allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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Amount of Net Income (Loss) attributable to noncontrolling interest.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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