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Fair Value Measurements and Concentrations of Credit Risk (Financial Assets Measured At Fair Value On A Recurring Basis) (Details) (USD $)
In Millions, unless otherwise specified |
Feb. 01, 2014
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Feb. 02, 2013
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| Marketable equity and debt securities | $ 75 | $ 68 |
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Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
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| Marketable equity and debt securities | 0 | 0 |
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Significant Observable Inputs (Level 2) [Member]
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| Marketable equity and debt securities | 75 | 68 |
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Significant Unobservable Inputs (Level 3) [Member]
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| Marketable equity and debt securities | $ 0 | $ 0 |
| X | ||||||||||
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- Definition
Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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