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v3.20.1

19 SHAREHOLDERS' EQUITY (Details 1) - shares | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018
Number bought back |  | 7,409,500 |
Balance in treasury |  | 1,387,524,047 | 1,387,524,047
Buyback program 9 [Member] |  |  |
Board's Authorization | [1] | 03/31/2015 |
Authorized quantity | [1] | 32,770,055 |
Program Period | [1] | From 4/01/2015 to 6/30/2015 |
Balance in treasury | [1] | 30,391,000 |
Buyback program [Member] |  |  |
Board's Authorization |  | 04/20/2018 |
Authorized quantity |  | 30,391,000 |
Program Period |  | From 4/20/2018 to 4/30/2018 |
Minimum and maximum buyback price |  | Not applicable |
Disposal of shares |  | 22,981,500 |
Balance in treasury |  | 7,409,500 |
[1] | There was no share buyback in this program.

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