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Commitments and Contingencies (Details)
$ in Millions
1 Months Ended 6 Months Ended
Aug. 31, 2005
USD ($)
Jun. 30, 2017
USD ($)
claim
defendant
case
Dec. 31, 2016
USD ($)
Apr. 08, 2016
USD ($)
Lima Refinery Litigation        
Commitments and Contingencies        
Loss Contingency damages sought       $ 106.0
Lima Refinery property damages       $ 289.0
Brazilian Tax Disputes - Jan 2004 through May 2005 | Sao Paulo State Revenue Authority        
Commitments and Contingencies        
Damages sought - principal   $ 2.0    
Damages sought - interest, penalties and fees   24.0    
Brazilian Tax Disputes - Jan 2002 through Dec 2003 | Sao Paulo State Revenue Authority        
Commitments and Contingencies        
Damages sought - principal $ 1.8      
Damages sought - interest, penalties and fees 5.8      
Amount of damages sought $ 7.6      
Brazilian Labor Claims        
Commitments and Contingencies        
Loss contingency reserves   $ 8.0 $ 7.9  
Other        
Commitments and Contingencies        
Approximate number of defendants that includes the company named in legal actions | defendant   90    
Number of pending claims | claim   17,164    
Number of claims dismissed to date by stipulation or summary judgment prior to trial | case   27,921    
Other | Active or In Extremis docket        
Commitments and Contingencies        
Number of pending claims | claim   22    
Other | Minimum        
Commitments and Contingencies        
Amount of damages sought   $ 20.0    
Other | Maximum        
Commitments and Contingencies        
Amount of damages sought   $ 25.0    
Other | New York County as managed by the New York Supreme Court        
Commitments and Contingencies        
Number of pending claims | case   16,752    
Other | New York County as managed by the New York Supreme Court | Pending And Future Litigation, Deferred Or Inactive Docket        
Commitments and Contingencies        
Number of pending claims | claim   16,730    
Other | New York State Supreme Court, Counties Excluding New York County        
Commitments and Contingencies        
Number of pending claims | case   111    
Other | Courts Located In States Other Than New York        
Commitments and Contingencies        
Number of pending claims | case   301