Long-Term Debt and Obligations Under Capital Leases - (Detail) (USD $) In Millions, unless otherwise specified	Jan. 31, 2015		Feb. 01, 2014
Maturities Of Long Term Debt And Capital Lease Obligations [Line Items]
8.5% debentures payable 2022	$ 118		$ 118
Unamortized gain related to interest rate swaps	12	[1]	13	[1]
Obligations under capital leases	4		8
Debt and Capital Lease Obligations, Total	134		139
Less: current portion of obligations under capital leases	2		3
Capital Lease Obligations, Noncurrent	$ 132		$ 136

[1] In 2009, the Company terminated an interest rate swap at a gain. This gain is being amortized as part of interest expense over the remaining term of the debt using the effective-yield method.