v2.4.0.8
Income Taxes (Details 2)
 1 Months Ended 12 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended
May 31, 2013
NOK
subsidiary
Dec. 31, 2013
USD ($)
item
jurisdiction
Dec. 31, 2005
USD ($)
Dec. 31, 2005
BRL
Dec. 31, 2013
Minimum
Dec. 31, 2013
Maximum
Dec. 31, 2013
Norway Tax Assessments Prior to 2012
USD ($)
subsidiary
employee
Dec. 31, 2013
Norway Tax Assessments Prior to 2012
NOK
subsidiary
employee
Apr. 30, 2012
Norway Tax Assessments 2012
subsidiary
Jun. 30, 2011
Norway Tax Assessments 2012
subsidiary
Dec. 31, 2013
Norway Tax Assessments 2012
USD ($)
advisor
Dec. 31, 2013
Norway Tax Assessments 2012
NOK
Income Tax Examination                        
Range of tax returns are subject to examination         3 years 6 years            
Number of jurisdictions with extensions beyond statute of limitations   2                    
Maximum number of years agreed to extensions beyond the statute of limitations   19 years                    
Norway tax assessment due to migration of subsidiary, including interest             $ 112,000,000 684,000,000        
Norway tax assessment due to 2001 dividend payment, including interest             68,000,000 412,000,000        
Norway tax assessment due to foreign exchange deductions and dividend withholding taxes, including interest             7,000,000 43,000,000        
Guarantee amount for tax assessment related to the migration of subsidiary             115,000,000          
Norway tax additional financial security, including interest and penalties             212,000,000          
Percentage of penalties to be assessed by Norway tax authorities             60.00% 60.00%        
Number of subsidiaries against which notification of criminal charges are issued             2 2   2    
Number of subsidiaries against which notification of criminal charges are extending                 2      
Number of employees of former external advisors indicted             2 2     2 2
Financial claim issued by the Norweigian authorities supplementing the criminal indictments                     302,000,000 1,800,000,000
Financial claim dropped by the Norwegian authorities 1,800,000,000                      
Number of subsidiaries against which notification of criminal charges are dropped 1                      
Criminal penalties to be assessed by court in addition to civil tax penalties   38,000,000                    
Number of subsidiaries against which criminal penalties in addition to civil tax penalties will be assessed   3                    
Brazil tax assessment for income tax returns 2000 to 2004     $ 283,000,000 677,000,000                
Percentage of penalty and interest to be assessed by Brazil tax authorities     75.00% 75.00%