Leases - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013
Schedule of Operating Leases [Line Items]
Certain executory costs related to leases	$ 132	$ 128	$ 128
Operating Leases, Rent Expense	635	600	560
Non-store expenses [Member]
Schedule of Operating Leases [Line Items]
Operating Leases, Rent Expense	$ 17	$ 16	$ 16
Minimum
Schedule of Operating Leases [Line Items]
Operating lease period	5 years
Maximum
Schedule of Operating Leases [Line Items]
Operating lease period	10 years