Goodwill and Intangible Assets - Change in Company's Goodwill and Intangible Assets (Detail) (USD $) In Millions, unless otherwise specified	4 Months Ended								4 Months Ended
	Jun. 14, 2014	Jun. 15, 2013	Jun. 14, 2014 Independent Business [Member]	Feb. 22, 2014 Independent Business [Member]	Jun. 14, 2014 Save-A-Lot [Member]	Feb. 22, 2014 Save-A-Lot [Member]	Jun. 14, 2014 Trademarks and Tradenames - Indefinite Useful Lives [Member]	Feb. 22, 2014 Trademarks and Tradenames - Indefinite Useful Lives [Member]	Jun. 14, 2014 Customer lists, customer relationships, favorable operating leases and other [Member]	Jun. 14, 2014 Non-Compete Agreements [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	$ 847		$ 710	$ 710	$ 137	$ 137
Goodwill, Ending Balance	847		710	710	137	137
Indefinite-lived Intangible Assets, Beginning Balance							9	9
Indefinite-lived Intangible Assets, Ending Balance							9	9
Finite-Lived Intangible Assets, Beginning Balance									111	3
Finite-Lived Intangible Assets Other Net Adjustments									1
Finite-Lived Intangible Assets, Ending Balance									112	3
Intangible assets excluding amortization, Beginning Balance	123
Intangible assets other adjustments	1
Intangible assets excluding amortization, Ending Balance	124
Accumulated amortization, Beginning balance	(80)								(78)	(2)
Amortization expense of intangible assets	(3)	(2)
Accumulated amortization, Ending Balance	(83)								(81)	(2)
Intangible assets, Beginning Balance	43
Intangible assets, Ending Balance	$ 41