Fair Value Measurements (Fair Value of Financial Instruments) (Details) - USD ($) $ in Millions	Jul. 31, 2021	Jan. 30, 2021	Aug. 01, 2020
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Carrying value	$ 1,229	$ 1,241	$ 1,283
Long-term debt [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Carrying value	1,229	1,241	1,283
Level 2 [Member] | Long-term debt [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 1,306	$ 1,331	$ 1,386