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Commitments and Contingencies (Details)
$ in Millions
1 Months Ended 9 Months Ended
Aug. 31, 2017
USD ($)
Aug. 31, 2005
USD ($)
Sep. 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     25.0    
Brazilian Tax Disputes - Jan 2002 through Dec 2003 | Sao Paulo State Revenue Authority          
Commitments and Contingencies          
Damages sought - principal   $ 1.9      
Damages sought - interest, penalties and fees   6.0      
Amount of damages sought   $ 7.9      
Brazilian Labor Claims          
Commitments and Contingencies          
Loss contingency reserves     $ 9.2 $ 7.9  
Customer Disputes          
Commitments and Contingencies          
Customer dispute settlement $ 5.4        
Other          
Commitments and Contingencies          
Approximate number of defendants that includes the company named in legal actions | defendant     90    
Number of pending claims | claim     17,150    
Number of claims dismissed to date by stipulation or summary judgment prior to trial | case     27,931    
Other | Active or In Extremis docket          
Commitments and Contingencies          
Number of pending claims | claim     31    
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     16,721    
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     287    
Consolidated Revenues | Subsidiary Concentration Risk          
Commitments and Contingencies          
Concentration risk, percentage     2.00%