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DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS - Consumer Price Index (Details) | 12 Months Ended
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Dec. 31, 2020 $ / $ | Dec. 31, 2019 $ / $ | Dec. 31, 2018 $ / $
Variation in Prices |  |  |
National Consumer Price Index | 385.88 | 284.44 | 184.26
Banco Nacin US$/$ exchange rate | 84.15 | 59.89 | 37.70
Commodity price risk |  |  |
Variation in Prices |  |  |
Annual (as a percent) | 36.10% | 53.80% | 47.60%
Accumulated 3 years (as a percent) | 209.20% | 183.20% | 147.80%
Currency risk |  |  |
Variation in Prices |  |  |
Annual (as a percent) | 40.50% | 58.90% | 102.10%
Accumulated 3 years (as a percent) | 351.20% | 276.90% | 189.10%

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- References No definition available. + Details
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- Definition The spot exchange rate at the end of the reporting period. Exchange rate is the ratio of exchange for two currencies. Spot exchange rate is the exchange rate for immediate delivery. + References No definition available. + Details
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- Definition Value of national consumer price index calculated on the basis of cost of market in the given year to cost of market in the base year. + References No definition available. + Details
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- Definition Represents the percentage of accumulated Consumer Price Index. + References No definition available. + Details
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- Definition Represents the percentage of consumer price index over a period. + References No definition available. + Details
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- Details
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