Advertising Costs Included as Component of Selling, General and Administrative Expenses (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013
Component Of Operating Other Cost And Expense [Line Items]
Advertising expenses	$ 125	$ 124	$ 132
Net advertising expense	104	102	107
Advertising Cost [Member]
Component Of Operating Other Cost And Expense [Line Items]
Cooperative advertising reimbursements	$ (21)	$ (22)	$ (25)