Goodwill and Intangible Assets - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Feb. 22, 2014	Feb. 23, 2013	Feb. 25, 2012
Intangible Assets By Major Class [Line Items]
Impairment of goodwill
Amortization Expense of intangible assets	8	8	8
Future amortization expense, Year One	5
Future amortization expense, Year Two	5
Future amortization expense, Year Three	5
Future amortization expense, Year Four	5
Future amortization expense, Year Five	5
Independent Business [Member]
Intangible Assets By Major Class [Line Items]
Percentage by which fair value of good will exceeded carrying value	75.00%
Impairment of goodwill
Independent Business [Member] | Tradename [Member]
Intangible Assets By Major Class [Line Items]
Pre-tax non-cash impairment charge		6
Save-A-Lot [Member]
Intangible Assets By Major Class [Line Items]
Minimum percentage by which fair value of good will exceeded carrying value	100.00%
Retail Food [Member]
Intangible Assets By Major Class [Line Items]
Impairment of goodwill			$ 92