Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	4 Months Ended
	Jun. 15, 2013	Jun. 16, 2012	Feb. 23, 2013
Significant Accounting Policies [Line Items]
Number of weeks in first quarter	16 weeks
Number of weeks in second, third and fourth quarter	12 weeks
Immaterial error	$ 13
Net book overdrafts	122		131
Value increase in inventory by changing the method from LIFO to FIFO	211		211
LIFO charge recorded		2
Asset Impairment charges	14
Accumulated other comprehensive loss	$ 48
Dilutive effect on future net earnings (loss)	250	214
Discontinued Operation [Member]
Significant Accounting Policies [Line Items]
Antidilutive securities excluded from computation of earnings per share	17	17
Symphony Investors [Member]
Significant Accounting Policies [Line Items]
Percentage on issued and outstanding common stock	30.00%
Common stock Purchase price	$ 4.00
Validly tendered shares	12
Percentage on issued and outstanding common stock	5.50%
Tender offer expiration date	Mar. 20, 2013
Additional common stock issued	42
Percentage of outstanding shares	19.90%
Tender offer price per share	$ 4.00
Ownership percentage after share issuance	21.20%
Dilutive effect on future net earnings (loss)	42
Stock - Based Awards [Member] | Continuing Operations [Member]
Significant Accounting Policies [Line Items]
Antidilutive securities excluded from computation of earnings per share	20	19