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Financing Activities (Detail Of Debt Repayments) (Details) - USD ($) $ in Millions | 6 Months Ended
--- | ---
Aug. 04, 2018 | Jul. 29, 2017
Extinguishment of debt | $ 344 | $ 247
Repayments of Debt | 347 | 550
seven point four five senior debentures due 2017 [Member] |  |
Extinguishment of debt | 0 | 300
9.5% Amortizing Debentures due 2021 |  |
Extinguishment of debt | 2 | 2
9.75% Amortizing Debentures Due 2021 |  |
Extinguishment of debt | 1 | 1
6.375% Senior Notes Due 2037 |  |
Extinguishment of debt | 43 | 135
6.9% senior debentures due 2032 |  |
Extinguishment of debt | 5 | 72
6.7% Senior Debentures Due 2034 |  |
Extinguishment of debt | 28 | 28
6.65% senior debentures due 2024 |  |
Extinguishment of debt | 11 | 4
6.9% senior debentures due 2029 |  |
Extinguishment of debt | 90 | 3
Four point five percent senior notes due two thousand thirty four[Member] [Member] [Member] [Member] |  |
Extinguishment of debt | 80 | 0
6.7% senior debentures due 2028 |  |
Extinguishment of debt | 60 | 3
7.0% senior debentures due 2028 |  |
Extinguishment of debt | $ 27 | $ 2

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