Segment Information - Net Sales of Retail Food and Independent Segment in Terms of Amounts and Percentage (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Feb. 23, 2013	Feb. 25, 2012	Feb. 26, 2011
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales	$ 17,097	$ 17,336	$ 17,357
% of total	100.00%	100.00%	100.00%
Retail Food [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales	4,736	4,921	5,054
% of total	27.70%	28.40%	29.10%
Retail Food [Member] | Nonperishable grocery products [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales	2,689	2,820	2,938
% of total	16.00%	17.00%	17.00%
Retail Food [Member] | Perishable grocery products [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales	1,428	1,461	1,508
% of total	8.00%	8.00%	8.00%
Retail Food [Member] | Pharmacy products [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales	512	483	465
% of total	3.00%	3.00%	3.00%
Retail Food [Member] | Fuel [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales	77	126	110
% of total		1.00%	1.00%
Retail Food [Member] | Other [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales	30	31	33
% of total
Save-A-Lot [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales	4,195	4,221	3,890
% of total	24.50%	24.30%	22.40%
Save-A-Lot [Member] | Nonperishable grocery products [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales	2,865	2,925	2,705
% of total	17.00%	17.00%	15.00%
Save-A-Lot [Member] | Perishable grocery products [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales	1,330	1,296	1,185
% of total	8.00%	7.00%	7.00%
Independent Business [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales	8,166	8,194	8,413
% of total	47.80%	47.30%	48.50%
Independent Business [Member] | Product sales to independent retail customers [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales	8,160	8,194	8,400
% of total	48.00%	47.00%	49.00%
Independent Business [Member] | Services to independent retail customers [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales	$ 6		$ 13
% of total