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Financial Risk (Details 7) | Dec. 31, 2020 | Dec. 31, 2019
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Central [Member] | Brazil |  |
Disclosure of financial assets [line items] |  |
GDP Growth (Var.%) | 0.70% | 2.00%
ComEx Growth Index (Var.%) | 4.00% | 4.10%
Central [Member] | Colombia |  |
Disclosure of financial assets [line items] |  |
GDP Growth (Var.%) | 1.40% | 3.40%
ComEx Growth Index (Var.%) | 4.60% | 6.60%
Central [Member] | Mexico |  |
Disclosure of financial assets [line items] |  |
GDP Growth (Var.%) | 0.20% | 1.50%
ComEx Growth Index (Var.%) | 3.50% | 2.20%
Central [Member] | Chile |  |
Disclosure of financial assets [line items] |  |
GDP Growth (Var.%) | 1.50% | 2.20%
ComEx Growth Index (Var.%) | 6.40% | 3.10%
Central [Member] | Ecuador |  |
Disclosure of financial assets [line items] |  |
GDP Growth (Var.%) | (0.20%) | 1.30%
ComEx Growth Index (Var.%) | 2.70% | 4.60%
Central [Member] | Guatemala |  |
Disclosure of financial assets [line items] |  |
GDP Growth (Var.%) | 2.50% | 3.50%
ComEx Growth Index (Var.%) | 4.20% | 4.10%
Central [Member] | Panama |  |
Disclosure of financial assets [line items] |  |
GDP Growth (Var.%) | 2.50% | 4.60%
ComEx Growth Index (Var.%) | 4.20% | 3.00%
Central [Member] | Peru |  |
Disclosure of financial assets [line items] |  |
GDP Growth (Var.%) | 1.40% | 3.30%
ComEx Growth Index (Var.%) | 5.10% | 4.20%
Upside [Member] | Brazil |  |
Disclosure of financial assets [line items] |  |
GDP Growth (Var.%) | 1.70% | 3.00%
ComEx Growth Index (Var.%) | 7.50% | 7.60%
Upside [Member] | Colombia |  |
Disclosure of financial assets [line items] |  |
GDP Growth (Var.%) | 2.50% | 4.50%
ComEx Growth Index (Var.%) | 7.60% | 9.60%
Upside [Member] | Mexico |  |
Disclosure of financial assets [line items] |  |
GDP Growth (Var.%) | 1.20% | 2.50%
ComEx Growth Index (Var.%) | 7.50% | 6.20%
Upside [Member] | Chile |  |
Disclosure of financial assets [line items] |  |
GDP Growth (Var.%) | 2.60% | 3.30%
ComEx Growth Index (Var.%) | 9.90% | 6.60%
Upside [Member] | Ecuador |  |
Disclosure of financial assets [line items] |  |
GDP Growth (Var.%) | 0.80% | 2.30%
ComEx Growth Index (Var.%) | 5.70% | 7.60%
Upside [Member] | Guatemala |  |
Disclosure of financial assets [line items] |  |
GDP Growth (Var.%) | 3.50% | 4.50%
ComEx Growth Index (Var.%) | 7.20% | 7.10%
Upside [Member] | Panama |  |
Disclosure of financial assets [line items] |  |
GDP Growth (Var.%) | 3.50% | 6.10%
ComEx Growth Index (Var.%) | 7.20% | 6.00%
Upside [Member] | Peru |  |
Disclosure of financial assets [line items] |  |
GDP Growth (Var.%) | 2.40% | 4.30%
ComEx Growth Index (Var.%) | 8.60% | 7.70%
Downside [Member] | Brazil |  |
Disclosure of financial assets [line items] |  |
GDP Growth (Var.%) | (0.70%) | 0.60%
ComEx Growth Index (Var.%) | 0.00% | 0.10%
Downside [Member] | Colombia |  |
Disclosure of financial assets [line items] |  |
GDP Growth (Var.%) | 0.10% | 2.10%
ComEx Growth Index (Var.%) | 1.10% | 3.10%
Downside [Member] | Mexico |  |
Disclosure of financial assets [line items] |  |
GDP Growth (Var.%) | (1.00%) | 0.30%
ComEx Growth Index (Var.%) | (1.00%) | (2.30%)
Downside [Member] | Chile |  |
Disclosure of financial assets [line items] |  |
GDP Growth (Var.%) | 0.30% | 1.00%
ComEx Growth Index (Var.%) | 2.40% | (0.90%)
Downside [Member] | Ecuador |  |
Disclosure of financial assets [line items] |  |
GDP Growth (Var.%) | (1.70%) | (0.20%)
ComEx Growth Index (Var.%) | (0.80%) | 1.10%
Downside [Member] | Guatemala |  |
Disclosure of financial assets [line items] |  |
GDP Growth (Var.%) | 1.30% | 2.30%
ComEx Growth Index (Var.%) | 0.70% | 0.60%
Downside [Member] | Panama |  |
Disclosure of financial assets [line items] |  |
GDP Growth (Var.%) | 1.30% | 3.20%
ComEx Growth Index (Var.%) | 0.70% | (0.50%)
Downside [Member] | Peru |  |
Disclosure of financial assets [line items] |  |
GDP Growth (Var.%) | 0.20% | 2.10%
ComEx Growth Index (Var.%) | 1.10% | 0.20%

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