Other Current Liabilities - Additional Information (Detail) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	May 04, 2013	Feb. 02, 2013
Schedule Of Other Current Liabilities [Line Items]
Convertible Series B Preferred Stock Issued	1,000	1,000
Term loan maturity period	5 years
Fair value of derivative liability	$ 29
Five-year term loan [Member]
Schedule Of Other Current Liabilities [Line Items]
Senior secured term loan	60
Series B Preferred Stock [Member]
Schedule Of Other Current Liabilities [Line Items]
Convertible Series B Preferred Stock Issued	1,000
Fair value of Series B Preferred Stock	$ 15