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Note 9 - Commitments and Contingencies (Details) - USD ($)
$ in Millions
3 Months Ended 4 Months Ended 8 Months Ended 12 Months Ended
Jan. 14, 2015
Mar. 31, 2015
Dec. 31, 2013
Aug. 31, 2013
Dec. 31, 2015
Dec. 31, 2014
Note 9 - Commitments and Contingencies (Details) [Line Items]            
Gain on Environmental Liabilities   $ 5        
Other Increase (Decrease) in Environmental Liabilities   $ (5)        
Environmental Insurance Policy Term 10 years          
Disposal Group, Including Discontinued Operation, Assets, Current         $ 2 $ 14
Operating Leases, Rent Expense, Net     $ 15 $ 36 30 38
Restricted Cash and Cash Equivalents, Noncurrent         43 $ 37
Middleway, West Virginia [Member]            
Note 9 - Commitments and Contingencies (Details) [Line Items]            
Gain on Environmental Liabilities $ 5          
Disposal Group, Including Discontinued Operation, Assets, Current 2          
Disposal Group, Including Discontinued Operation, Liabilities, Current $ 9          
Bank Guarantees and Letters of Credit [Member]            
Note 9 - Commitments and Contingencies (Details) [Line Items]            
Guarantor Obligations, Maximum Exposure, Undiscounted         4  
Surety Bond [Member]            
Note 9 - Commitments and Contingencies (Details) [Line Items]            
Guarantor Obligations, Maximum Exposure, Undiscounted         17  
Restricted Cash Deposits [Member]            
Note 9 - Commitments and Contingencies (Details) [Line Items]            
Guarantor Obligations, Maximum Exposure, Undiscounted         58  
Asset Based Revolving Credit Facility [Member]            
Note 9 - Commitments and Contingencies (Details) [Line Items]            
Guarantor Obligations, Maximum Exposure, Undiscounted         118  
BRAZIL | Federal and State Value-added Taxes Litigations [Member]            
Note 9 - Commitments and Contingencies (Details) [Line Items]            
Loss Contingency, Estimate of Possible Loss         49  
Cash [Member] | BRAZIL | Threat of Expropriation of Assets [Member]            
Note 9 - Commitments and Contingencies (Details) [Line Items]            
Restricted Cash and Cash Equivalents, Noncurrent         6  
Collateralized Debt Obligations [Member] | BRAZIL | Threat of Expropriation of Assets [Member]            
Note 9 - Commitments and Contingencies (Details) [Line Items]            
Assets, Noncurrent         $ 62