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Risk Management (Details 4) - Macro Economic [Member] - Average estimates 2020 - 2021 [Member] | Dec. 31, 2019
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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 | 0.25%
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 | 0.50%
Official Interest Rate [Member] | Base Scenario [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 1.59%
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 | 3.20%
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 | 4.42%
Unemployment Rate [Member] | Unfavorable Scenario 2 [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 7.31%
Unemployment Rate [Member] | Unfavorable Scenario 1 [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 6.96%
Unemployment Rate [Member] | Base Scenario [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 6.50%
Unemployment Rate [Member] | Favorable Scenario 1 [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 6.04%
Unemployment Rate [Member] | Favorable Scenario 2 [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 5.70%
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 | (1.70%)
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 | 1.04%
Housing Price Growth [Member] | Base Scenario [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 4.67%
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 | 8.30%
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 | 11.04%
GDP Growth [Member] | Unfavorable Scenario 2 [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | (1.16%)
GDP Growth [Member] | Unfavorable Scenario 1 [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 0.67%
GDP Growth [Member] | Base Scenario [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 3.12%
GDP Growth [Member] | Favorable Scenario 1 [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 5.56%
GDP Growth [Member] | Favorable Scenario 2 [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 7.40%
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 | (0.26%)
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 | 1.07%
Consumer Price Index [Member] | Base Scenario [Member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Percentage of macroeconomic annual growth forecasts | 2.82%
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 | 4.57%
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 | 5.90%

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