Fair Value Measurements (Carrying Value And Fair Value Of Long-Term Debt, Disclosure) (Detail) - USD ($) $ in Millions		Oct. 31, 2020	Feb. 01, 2020	Nov. 02, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Principal Value		$ 6,449	$ 5,458	$ 5,458
Fair Value (a)	[1]	$ 6,678	$ 5,555	$ 5,156

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