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Contingencies and Commitments Gain Contingencies (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 30, 2016 | Jan. 30, 2016 | Oct. 31, 2015 | Aug. 01, 2015 | May 02, 2015 | Jan. 28, 2017 | Jan. 30, 2016
Gain Contingencies [Line Items] |  |  |  |  |  |  |
Proceeds from Legal Settlements, net of related legal fees and costs | $ 161 | $ 2 | $ 0 | $ 8 | $ 67 | $ 161 | $ 77
Proceeds from Legal Settlements | $ 183 | $ 2 | $ 0 | $ 10 | $ 78 | $ 183 | $ 90

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- Definition Proceeds from Legal Settlements, net of related legal fees and costs + References No definition available. + Details
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Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Cash received for the settlement of litigation during the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3536-108585 + Details
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