STOCK-BASED COMPENSATION (Tables)
 6 Months Ended
Jun. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Stock-Based Compensation Expense Related to Income Tax Benefits [Table Text Block]
Stock-based compensation expense and related income tax benefits were as follows: 
 
Three Months Ended
June 30,
 
Six Months Ended
June 30,
In millions
2015
 
2014
 
2015
 
2014
Total stock-based compensation expense (selling and administrative)
$
26

 
$
39

 
$
59

 
$
52

Income tax benefits related to stock-based compensation
—

 
2

 
89

 
87