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Finance Income and Expenses (Tables)
 12 Months Ended
Dec. 31, 2017
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Summary of Financial Income and Expenses
     2017     2016     2015  

FINANCE INCOME

       

Income from cash investments

      205       317       251  

Arrears fees on sale of energy

      261       277       230  

Foreign exchange variations

      19       62       76  

Monetary variations

      46       106       36  

Monetary variations – CVA

      —         204       68  

Monetary updating on Court escrow deposits

      191       46       212  

Pasep and Cofins charged on finance income

      (53 )      (88 )      (84 ) 

Other

      135       117       74  
  

 

 

    

 

 

    

 

 

  
     804       1,041       863  

FINANCE EXPENSES

       

Costs of loans and financings

      (1,466 )      (1,860 )      (1,370 ) 

Cost of debt – amortization of transaction cost

      (67 )      (68 )      (16 ) 

Foreign exchange variations

      (73 )      (35 )      (172 ) 

Monetary updating – loans and financings

      (109 )      (245 )      (387 ) 

Monetary updating – onerous concessions

      —         (3 )      (11 ) 

Charges and monetary updating on post-retirement obligation

      (65 )      (103 )      (129 ) 

Losses on financial instruments

      (32 )      —         —    

Monetary updating – CCEE obligations

      —         (10 )      —    

Monetary updating – CVA

      (41 )      —         —    

Monetary updating – AFAC

      239       —         —    

Monetary updating – Advance sales of power supply

      (45 )      —         —    

Adjustment to present value

      (2 )      —         —    

Other

      (139 )      (154 )      (119 ) 
  

 

 

    

 

 

    

 

 

  
     (1,800 )      (2,478 )      (2,204 ) 
  

 

 

    

 

 

    

 

 

  

NET FINANCE INCOME (EXPENSES)

      (996 )      (1,437 )      (1,341 )