XML 46 R33.htm IDEA: XBRL DOCUMENT v3.7.0.1
Income Taxes (TaxReturns) (Details)
BRL in Millions, $ in Millions
6 Months Ended
Jun. 30, 2017
USD ($)
jurisdiction
Jun. 30, 2016
USD ($)
May 19, 2014
BRL
Dec. 31, 2005
BRL
Income Tax Examination        
Annual effective tax rate excluding discrete items (as a percent) 78.00% 25.70%    
Various discrete tax items $ (147) $ 8    
Annual effective tax rate (as a percent) 4.70% 26.10%    
Income Tax Examination        
Number of jurisdictions with extensions beyond statute of limitations | jurisdiction 2      
Maximum number of years agreed to extensions beyond the statute of limitations 20 years      
Brazil tax assessment for income tax returns $ 254     BRL 839
Minimum        
Income Tax Examination        
Range of tax returns are subject to examination 3 years      
Maximum        
Income Tax Examination        
Range of tax returns are subject to examination 6 years      
Norway Tax Assessments Prior to 2012        
Income Tax Examination        
Norway tax assessment due to 2001 dividend payment, including interest $ 0      
Brazil Tax Assessments 2009 And 2010        
Income Tax Examination        
Brazil tax assessment for income tax returns $ 43   BRL 143