Operating Segment Information - Summary of Sales by Type of Similar Products and Services (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 18, 2015	Jul. 12, 2014	Jul. 18, 2015	Jul. 12, 2014
Revenue from External Customer [Line Items]
Consolidated net sales	$ 1,795,864	$ 1,810,175	$ 4,108,547	$ 4,143,902
Sales Revenue [Member] \| Product Concentration Risk [Member]
Revenue from External Customer [Line Items]
Consolidated net sales, Percentage	100.00%	100.00%	100.00%	100.00%
Fuel [Member]
Revenue from External Customer [Line Items]
Consolidated net sales	$ 32,915	$ 46,411	$ 67,814	$ 101,381
Fuel [Member] \| Sales Revenue [Member] \| Product Concentration Risk [Member]
Revenue from External Customer [Line Items]
Consolidated net sales, Percentage	1.80%	2.60%	1.70%	2.50%
Non Perishables [Member]
Revenue from External Customer [Line Items]
Consolidated net sales	$ 1,122,910	$ 1,131,903	$ 2,595,622	$ 2,606,963
Non Perishables [Member] \| Sales Revenue [Member] \| Product Concentration Risk [Member]
Revenue from External Customer [Line Items]
Consolidated net sales, Percentage	62.50%	62.50%	63.10%	62.90%
Perishables [Member]
Revenue from External Customer [Line Items]
Consolidated net sales	$ 570,921	$ 566,828	$ 1,283,954	$ 1,285,832
Perishables [Member] \| Sales Revenue [Member] \| Product Concentration Risk [Member]
Revenue from External Customer [Line Items]
Consolidated net sales, Percentage	31.80%	31.30%	31.30%	31.00%
Pharmacy [Member]
Revenue from External Customer [Line Items]
Consolidated net sales	$ 69,118	$ 65,033	$ 161,157	$ 149,726
Pharmacy [Member] \| Sales Revenue [Member] \| Product Concentration Risk [Member]
Revenue from External Customer [Line Items]
Consolidated net sales, Percentage	3.90%	3.60%	3.90%	3.60%