Quarterly report pursuant to Section 13 or 15(d)

BASIS OF PRESENTATION (Acquisition) (Details)

BASIS OF PRESENTATION (Acquisition) (Details) - Family Dollar
shares in Millions, $ in Billions
3 Months Ended
Apr. 30, 2016
USD ($)
Business Acquisition [Line Items]  
Acquisition cost paid in cash, net of cash acquired $ 6.8
Number of shares issued in business acquisition | shares 28.5
Acquisition cost paid in common stock $ 2.3