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Note 40 - Financial Instruments Risks - Breakdown by Contractual Maturity of Financial Liabilities (Details) - ARS ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017 | Jan. 01, 2017
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Up to 1 Month Member |  |  |
Breakdown by Contractual Maturity of Financial Liabilities Line Items |  |  |
Breakdown by Contractual Maturity of Financial Liabilities | $ 266,884,948 | $ 232,125,851 | $ 209,749,986
Up to 3 Months Member |  |  |
Breakdown by Contractual Maturity of Financial Liabilities Line Items |  |  |
Breakdown by Contractual Maturity of Financial Liabilities | 22,849,556 | 20,593,707 | 19,258,225
Up to 6 Months Member |  |  |
Breakdown by Contractual Maturity of Financial Liabilities Line Items |  |  |
Breakdown by Contractual Maturity of Financial Liabilities | 8,841,997 | 4,885,994 | 7,219,098
Up to 12 Months Member |  |  |
Breakdown by Contractual Maturity of Financial Liabilities Line Items |  |  |
Breakdown by Contractual Maturity of Financial Liabilities | 3,328,772 | 3,015,744 | 2,338,617
Up to 24 Months Member |  |  |
Breakdown by Contractual Maturity of Financial Liabilities Line Items |  |  |
Breakdown by Contractual Maturity of Financial Liabilities | 1,809,415 | 2,621,721 | 1,497,820
More than 24 Months Member |  |  |
Breakdown by Contractual Maturity of Financial Liabilities Line Items |  |  |
Breakdown by Contractual Maturity of Financial Liabilities | 37,788 | 995,031 | 1,075,223
Total of Financial Liabilities Member |  |  |
Breakdown by Contractual Maturity of Financial Liabilities Line Items |  |  |
Breakdown by Contractual Maturity of Financial Liabilities | $ 303,752,476 | $ 264,238,048 | $ 241,138,969

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