Segment Information - Net Sales of Retail Food and Independent Segment in Terms of Amounts and Percentage (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended						4 Months Ended		12 Months Ended
	Feb. 22, 2014	Nov. 30, 2013	Sep. 07, 2013	Feb. 23, 2013	Dec. 01, 2012	Sep. 08, 2012	Jun. 15, 2013	Jun. 16, 2012	Feb. 22, 2014	Feb. 23, 2013	Feb. 25, 2012
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales	$ 3,953	$ 4,012	$ 3,948	$ 3,899	$ 4,051	$ 3,939	$ 5,242	$ 5,250	$ 17,155	$ 17,139	$ 17,383
% of total									100.00%	100.00%	100.00%
Independent Business [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales									8,036	8,166	8,194
% of total									46.80%	47.60%	47.10%
Independent Business [Member] | Nonperishable grocery products [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales									6,000	6,140	6,222
% of total									35.00%	36.00%	36.00%
Independent Business [Member] | Perishable grocery products [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales									1,951	1,935	1,880
% of total									11.00%	11.00%	11.00%
Independent Business [Member] | Services to independent retail customers and other [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales									85	91	92
% of total									1.00%	1.00%
Save-A-Lot [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales									4,228	4,195	4,221
% of total									24.60%	24.50%	24.30%
Save-A-Lot [Member] | Nonperishable grocery products [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales									2,829	2,865	2,925
% of total									17.00%	17.00%	17.00%
Save-A-Lot [Member] | Perishable grocery products [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales									1,399	1,330	1,296
% of total									8.00%	8.00%	7.00%
Retail Food [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales									4,651	4,736	4,921
% of total									27.10%	27.70%	28.30%
Retail Food [Member] | Nonperishable grocery products [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales									2,600	2,689	2,820
% of total									15.00%	16.00%	17.00%
Retail Food [Member] | Perishable grocery products [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales									1,463	1,428	1,461
% of total									9.00%	8.00%	8.00%
Retail Food [Member] | Other [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales									30	30	31
% of total
Retail Food [Member] | Pharmacy products [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales									491	512	483
% of total									3.00%	3.00%	3.00%
Retail Food [Member] | Fuel [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales									67	77	126
% of total											1.00%
Corporate [Member] | Transition services revenues [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net sales									$ 240	$ 42	$ 47
% of total									1.50%	0.20%	0.30%