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DEBT (Tables)
3 Months Ended
Mar. 31, 2016
Debt Disclosure [Abstract]  
Debt Extinguishment [Table Text Block]
Amounts related to early debt extinguishment during the three months ended March 31, 2016 and 2015 were as follows: 
 
Three Months Ended
March 31,
In millions
2016
 
2015
Early debt reductions (a)
$

 
$
217

Pre-tax early debt extinguishment costs

 
1

 
(a)
Reductions related to notes with interest rates ranging from 5.30% to 6.25% with original maturities from 2015 to 2025 for the three months ended March 31, 2015