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Financing Activities (Detail Of Debt Repayments) (Details) - USD ($) $ in Millions | 9 Months Ended
--- | ---
Oct. 31, 2015 | Nov. 01, 2014
Debt repaid | $ 152 | $ 462
Seven Point Five Percent Senior Debentures Due Two Thousand Fifteen [Member] |  |
Extinguishment of debt | 69 | 0
Eight Point One Two Five Percent Senior Debentures Due Two Thousand Thirty Five [Member] |  |
Extinguishment of debt | 76 | 0
Five point seven five percent senior notes due 2014[Member] |  |
Extinguishment of debt | 0 | 453
9.5% Amortizing Debentures due Two Thousand Twenty One [Member] |  |
Extinguishment of debt | 4 | 4
9.75% Amortizing Debentures Due Two Thousand Twenty One [Member] |  |
Extinguishment of debt | 2 | 2
Capital Lease and Other Long-Term Obligations [Member] |  |
Extinguishment of debt | $ 1 | $ 3

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- Definition Gross amount of debt extinguished. + References No definition available. + Details
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- Definition The cash outflow during the period from the repayment of aggregate short-term and long-term debt and payment of capital lease obligations. + References No definition available. + Details
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- Details
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