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RISK MANAGEMENT (Details 4) - Macro Economic [Member] - Average Estimates 2019 - 2020 [Member] | Dec. 31, 2018
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Official Interest Rate [Member] | Unfavorable Scenario 2 [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 1.78%
Official Interest Rate [Member] | Unfavorable Scenario 1 [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 2.82%
Official Interest Rate [Member] | Base Scenario [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 3.91%
Official Interest Rate [Member] | Favorable Scenario 1 [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 4.99%
Official Interest Rate [Member] | Favorable Scenario 2 [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 6.03%
Unemployment Rate [Member] | Unfavorable Scenario 2 [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 8.47%
Unemployment Rate [Member] | Unfavorable Scenario 1 [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 7.53%
Unemployment Rate [Member] | Base Scenario [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 6.55%
Unemployment Rate [Member] | Favorable Scenario 1 [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 6.10%
Unemployment Rate [Member] | Favorable Scenario 2 [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 5.57%
Housing Price Growth [Member] | Unfavorable Scenario 2 [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 0.89%
Housing Price Growth [Member] | Unfavorable Scenario 1 [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 1.06%
Housing Price Growth [Member] | Base Scenario [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 1.50%
Housing Price Growth [Member] | Favorable Scenario 1 [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 2.68%
Housing Price Growth [Member] | Favorable Scenario 2 [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 4.49%
GDP Growth [Member] | Unfavorable Scenario 2 [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 1.40%
GDP Growth [Member] | Unfavorable Scenario 1 [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 2.22%
GDP Growth [Member] | Base Scenario [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 2.99%
GDP Growth [Member] | Favorable Scenario 1 [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 3.87%
GDP Growth [Member] | Favorable Scenario 2 [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 4.68%
Consumer Price Index [Member] | Unfavorable Scenario 2 [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 1.14%
Consumer Price Index [Member] | Unfavorable Scenario 1 [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 1.98%
Consumer Price Index [Member] | Base Scenario [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 2.83%
Consumer Price Index [Member] | Favorable Scenario 1 [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 3.75%
Consumer Price Index [Member] | Favorable Scenario 2 [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 4.59%

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