Fair Value Measurements (Carrying Value and Fair Value of Long Term Debt) (Detail) (USD $) In Millions, unless otherwise specified	Jan. 31, 2015		Feb. 01, 2014
Fair Value Measurements [Abstract]
Carrying Value	$ 4,765		$ 4,976
Fair Value	$ 5,305	[1]	$ 5,333	[1]

[1] The estimated fair value of the Company’s publicly traded debt is based on reported transaction prices which are considered Level 2 inputs in accordance with ASC Topic 820, Fair Value Measurements and Disclosure. The estimates presented are not necessarily indicative of the amounts that the Company could realize in a current market exchange.