BASIS OF PRESENTATION (Acquisition) (Details) - USD ($) shares in Millions, $ in Millions  | 
6 Months Ended | |
|---|---|---|
Jul. 30, 2016  | 
Aug. 01, 2015  | 
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| Business Acquisition [Line Items] | ||
| Acquisition cost paid in common stock | $ 0.0 | $ 2,272.4 | 
| Family Dollar | ||
| Business Acquisition [Line Items] | ||
| Acquisition cost paid in cash, net of cash acquired | $ 6,800.0 | |
| Number of shares issued in business acquisition | 28.5 | |
| Acquisition cost paid in common stock | $ 2,300.0 | |
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- Definition Number of shares of equity interests issued or issuable to acquire entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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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. No definition available. 
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
- Definition Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Details 
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