Fair Value Measurements (Summary Of Carrying Value And Fair Value Estimate Of Long-Term Debt, Including Current Maturities) (Details) - USD ($) $ in Millions |
Jan. 30, 2021 |
Feb. 01, 2020 |
---|---|---|
Fair Value Measurements, Long-term Debt [Line Items] | ||
Carrying value of long-term debt | $ 3,269 | $ 2,676 |
Level 2 [Member] | ||
Fair Value Measurements, Long-term Debt [Line Items] | ||
Fair value of long-term debt | $ 3,430 | $ 2,905 |