Fair Value Measurements (Carrying Value And Fair Value Of Long-Term Debt, Disclosure) (Detail) - USD ($) $ in Millions		Nov. 03, 2018	Feb. 03, 2018	Oct. 28, 2017
Fair Value Measurements
Principal Value		$ 5,722	$ 5,750	$ 5,750
Fair Value (a)	[1]	$ 5,301	$ 5,943	$ 6,033

[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 820. The estimates presented are not necessarily indicative of the amounts that the Company could realize in a current market exchange.