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Note 11 - Commitments and Contingencies (Details Textual) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Commitments And Contingencies [Line Items]    
Operating Leases, Rent Expense, Net $ 21 $ 22
Operating Leases, Rent Expense, Sublease Rentals 7 7
BRAZIL    
Commitments And Contingencies [Line Items]    
Restricted Cash 5 6
Federal and State Value added Taxes Litigations and Civil Litigation and Disputes with Former Employees [Member] | BRAZIL    
Commitments And Contingencies [Line Items]    
Loss Contingency, Estimate of Possible Loss 10  
Threat of Expropriation of Assets [Member] | BRAZIL    
Commitments And Contingencies [Line Items]    
Assets, Noncurrent 60  
ABL Credit Agreement [Member]    
Commitments And Contingencies [Line Items]    
Guarantor Obligations, Maximum Exposure, Undiscounted 85  
Restricted Cash 3 $ 6
Bank Guarantees and Letters of Credit [Member]    
Commitments And Contingencies [Line Items]    
Guarantor Obligations, Maximum Exposure, Undiscounted 3  
Surety Bond [Member]    
Commitments And Contingencies [Line Items]    
Guarantor Obligations, Maximum Exposure, Undiscounted 40  
Restricted Cash and Deposits [Member]    
Commitments And Contingencies [Line Items]    
Guarantor Obligations, Maximum Exposure, Undiscounted $ 25