CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 10, 2011	Sep. 08, 2012	Sep. 08, 2012	Sep. 10, 2011
Net sales, %	100.00%	100.00%	100.00%	100.00%
Net sales
Net sales	$ 8,429	$ 8,039	$ 18,629	$ 19,542
Net sales, %	100.00%	100.00%	100.00%	100.00%
Cost of Sales, % of net sales	77.80%	78.60%	78.30%	77.80%
Gross profit, % of net sales	22.20%	21.40%	21.70%	22.20%
Selling and administrative expenses, % of net sales	19.70%	21.00%	20.40%	19.60%
Intangible asset impairment % of net sale		0.90%	0.40%
% of sales	2.60%	(0.50%)	0.90%	2.50%
Interest expense, % of net sales	1.40%	1.70%	1.60%	1.40%
Earnings before income taxes, % of net sales	1.10%	(2.30%)	(0.70%)	1.10%
Income tax provision(benefit), % of net sales	0.40%	(0.90%)	(0.30%)	0.40%
Net earnings, % of net sales	0.70%	(1.40%)	(0.40%)	0.70%
Net sales	8,429	8,039	18,629	19,542
Cost of sales	6,556	6,319	14,584	15,210
Operating earnings
Operating earnings (loss)	216	(41)	168	496
Gross profit	1,873	1,720	4,045	4,332
Selling and administrative expenses	1,657	1,687	3,803	3,836
Intangible asset impairment charges		74	74
Operating earnings	216	(41)	168	496
Interest expense, net	120	141	296	275
Earnings (loss) before income taxes	96	(182)	(128)	221
Income tax provision (benefit)	36	(71)	(58)	87
Net earnings (loss)	60	(111)	(70)	134
Net earnings (loss) per share-basic	$ 0.28	$ (0.52)	$ (0.33)	$ 0.63
Net earnings (loss) per share-diluted	$ 0.28	$ (0.52)	$ (0.33)	$ 0.63
Dividends declared per share	$ 0.0875		$ 0.0875	$ 0.1750
Weighted average number of shares outstanding:
Basic	212	212	212	212
Diluted	213	212	212	213
Retail Food [Member]
Net sales, %	66.60%	64.60%	64.50%	66.20%
Net sales
Net sales	5,608	5,196	12,021	12,938
Net sales, %	66.60%	64.60%	64.50%	66.20%
Net sales	5,608	5,196	12,021	12,938
Operating earnings
Operating earnings (loss)	127	(83)	16	277
% of sales	2.30%	(1.60%)	0.10%	2.10%
Operating earnings	127	(83)	16	277
% of sales	2.30%	(1.60%)	0.10%	2.10%
Save-A-Lot [Member]
Net sales, %	11.50%	12.10%	12.10%	11.50%
Net sales
Net sales	972	973	2,260	2,254
Net sales, %	11.50%	12.10%	12.10%	11.50%
Net sales	972	973	2,260	2,254
Operating earnings
Operating earnings (loss)	50	18	77	119
% of sales	5.10%	1.90%	3.40%	5.30%
Operating earnings	50	18	77	119
% of sales	5.10%	1.90%	3.40%	5.30%
Independent Business Goodwill [Member]
Net sales, %	21.90%	23.30%	23.40%	22.30%
Net sales
Net sales	1,849	1,870	4,348	4,350
Net sales, %	21.90%	23.30%	23.40%	22.30%
Net sales	1,849	1,870	4,348	4,350
Operating earnings
Operating earnings (loss)	56	50	115	133
% of sales	3.10%	2.70%	2.60%	3.10%
Operating earnings	56	50	115	133
% of sales	3.10%	2.70%	2.60%	3.10%
Corporate [Member]
Operating earnings
Operating earnings (loss)	(17)	(26)	(40)	(33)
Operating earnings	$ (17)	$ (26)	$ (40)	$ (33)