Fair Value Measurements (Carrying Value And Fair Value Of Long-Term Debt, Disclosure) (Detail) (USD $) In Millions, unless otherwise specified	Nov. 02, 2013		Feb. 02, 2013		Oct. 27, 2012
Fair Value Measurements
Carrying Value	$ 4,978		$ 4,477		$ 4,535
Estimated Fair Value (a)	$ 5,398	[1]	$ 5,023	[1]	$ 5,073	[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.