Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Dec. 31, 2015
Accounting Policies [Abstract]  
Statements of Cash Flows-Supplemental Disclosures
 
 
Years ended December 31,
In millions
 
2015
 
2014
 
2013
Cash payments for income taxes, net of refunds
 
$
732

 
$
659

 
$
380

Cash payments for interest, net of capitalized interest
 
65

 
65

 
30