Condensed Consolidated Segment Financial Information (Unaudited) (USD $) In Millions, unless otherwise specified	4 Months Ended
	Jun. 16, 2012	Jun. 18, 2011
Net sales
Net sales	$ 10,590	$ 11,113
Net sales, %	100.00%	100.00%
Operating earnings
Operating earnings (loss)	209	280
% of sales	2.00%	2.50%
Interest expense, net	155	155
Earnings before income taxes	54	125
Income tax provision	13	51
Net earnings	41	74
Retail Food [Member]
Net sales
Net sales	6,825	7,330
Net sales, %	64.40%	66.00%
Operating earnings
Operating earnings (loss)	99	150
% of sales	1.50%	2.00%
Save-A-Lot [Member]
Net sales
Net sales	1,287	1,282
Net sales, %	12.20%	11.50%
Operating earnings
Operating earnings (loss)	59	69
% of sales	4.60%	5.40%
Independent Business [Member]
Net sales
Net sales	2,478	2,501
Net sales, %	23.40%	22.50%
Operating earnings
Operating earnings (loss)	65	77
% of sales	2.60%	3.10%
Corporate [Member]
Operating earnings
Operating earnings (loss)	$ (14)	$ (16)