Fair Value Measurements (Fair Value of Financial Instruments) (Details) - USD ($) $ in Millions	Oct. 31, 2020	Feb. 01, 2020	Nov. 02, 2019
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Carrying value	$ 1,902	$ 1,239	$ 1,220
Long-term debt [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Carrying value	1,902	1,239	1,220
Level 2 [Member] | Long-term debt [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 1,954	$ 1,322	$ 1,288