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VARIABLE INTEREST ENTITIES (Tables)
12 Months Ended
Dec. 31, 2016
Variable Interest Entity, Primary Beneficiary [Member]  
Variable Interest Entity [Line Items]  
Schedule of Variable Interest Entities [Table Text Block]

Assets and Liabilities of Consolidated VIEs at December 31
In millions
 
2016

 
2015

Cash and cash equivalents
 
$
75

 
$
158

Other current assets
 
95

 
112

Net property
 
961

 
1,717

Other noncurrent assets
 
55

 
65

Total assets (1)
 
$
1,186

 
$
2,052

Current liabilities (nonrecourse 2016: $286; 2015: $256)
 
$
286

 
$
258

Long-term debt (nonrecourse 2016: $330; 2015: $487)
 
330

 
504

Other noncurrent obligations (nonrecourse 2016: $47; 2015: $51)
 
47

 
51

Total liabilities
 
$
663

 
$
813


(1)
All assets were restricted at December 31, 2016 and December 31, 2015.