Condensed Consolidated Segment Financial Information (Unaudited) - USD ($) $ in Millions	4 Months Ended
	Jun. 18, 2016	Jun. 20, 2015
Net sales
Net sales	$ 5,196	$ 5,407
Net sales, %	100.00%	100.00%
Operating earnings
Operating earnings	$ 133	$ 158
Total operating earnings % of total net sales	2.60%	2.90%
Interest expense, net	$ 60	$ 59
Equity in earnings of unconsolidated affiliates	(1)	(2)
Earnings from continuing operations before income taxes	74	101
Income tax provision	27	38
Net earnings from continuing operations	47	63
Income from discontinued operations, net of tax	0	1
Net earnings including noncontrolling interests	47	64
Less net earnings attributable to noncontrolling interests	(1)	(3)
Net earnings attributable to SUPERVALU INC.	46	61
Wholesale [Member]
Net sales
Net sales	$ 2,275	$ 2,462
Net sales, %	43.80%	45.60%
Operating earnings
Operating earnings	$ 64	$ 77
% of sales	2.80%	3.10%
Save-A-Lot [Member]
Net sales
Net sales	$ 1,432	$ 1,408
Net sales, %	27.60%	26.00%
Operating earnings
Operating earnings	$ 39	$ 51
% of sales	2.70%	3.60%
Retail [Member]
Net sales
Net sales	$ 1,431	$ 1,473
Net sales, %	27.50%	27.20%
Operating earnings
Operating earnings	$ 8	$ 33
% of sales	0.60%	2.20%
Corporate Segment [Member]
Net sales
Net sales	$ 58	$ 64
Net sales, %	1.10%	1.20%
Operating earnings
Operating earnings	$ 22	$ (3)