CONDENSED CONSOLIDATED SEGMENT FINANCIAL INFORMATION (Unaudited) (USD $) In Millions, unless otherwise specified	4 Months Ended
	Jun. 14, 2014	Jun. 15, 2013
Net sales
Net sales	$ 5,234	$ 5,241
Net sales, %	100.00%	100.00%
Operating earnings
Operating earnings	135	84
Total operating earnings % of total net sales	2.60%	1.60%
% of sales	0.90%	(2.00%)
Interest expense, net	64	249
Equity in earnings of unconsolidated affiliates	(1)	(1)
Earnings (loss) from continuing operations before income taxes	72	(164)
Income tax provision (benefit)	24	(62)
Net earnings (loss) from continuing operations	48	(102)
(Loss) income from discontinued operations, net of tax	(3)	190
Net earnings including noncontrolling interests	45	88
Net earnings attributable to noncontrolling interests	2	3
Net earnings attributable to SUPERVALU INC.	43	85
Independent Business [Member]
Net sales
Net sales	2,400	2,463
Net sales, %	45.90%	47.00%
Operating earnings
Operating earnings	66	55
% of sales	2.80%	2.30%
Save-A-Lot [Member]
Net sales
Net sales	1,348	1,266
Net sales, %	25.70%	24.20%
Operating earnings
Operating earnings	46	52
% of sales	3.40%	4.10%
Retail Food [Member]
Net sales
Net sales	1,428	1,428
Net sales, %	27.30%	27.20%
Operating earnings
Operating earnings	30	7
% of sales	2.10%	0.40%
Corporate [Member]
Net sales
Net sales	58	84
Net sales, %	1.10%	1.60%
Operating earnings
Operating earnings	$ (7)	$ (30)