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Equity (Tables)
 12 Months Ended
Dec. 31, 2017
Equity (Tables) [Abstract]  
Composition of share capital in number of shares

The share capital, which is fully subscribed and paid, is divided into registered shares with no par value.

 

 

On December 31

2017

2016 (1)

Common

3,054,481,112

3,054,481,112

Preferred

3,054,480,793

3,054,480,793

Subtotal

6,108,961,905

6,108,961,905

Treasury (common shares)

(5,032,549)

(5,032,549)

Treasury (preferred shares)

(18,855,746)

(18,855,746)

Total outstanding shares

6,085,073,610

6,085,073,610
Changes in capital stock, in number of shares

ii.   Changes in capital stock, in number of shares

 

 

Common

Preferred

Total

Number of shares outstanding on December 31, 2015 (1)

3,050,040,493

3,035,625,047

6,085,665,540

Shares acquired and not canceled

(591,930)

 

(591,930)

Number of shares outstanding on December 31, 2016 (1)

3,049,448,563

3,035,625,047

6,085,073,610

Number of shares outstanding on December 31, 2017

3,049,448,563

3,035,625,047

6,085,073,610