Fair Value Measurements (Carrying Value and Fair Value of Long Term Debt) (Detail) (USD $) In Millions, unless otherwise specified	Feb. 02, 2013		Jan. 28, 2012
Fair Value Measurements [Abstract]
Carrying Value	$ 4,477		$ 3,538
Fair Value	$ 5,023	[1]	$ 3,849	[1]

[1] (a)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.