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14. FINANCIAL INSTRUMENTS (Details 4) - Foreign exchange risk [member]	Dec. 31, 2020 Numnber
UNITED STATES [member]
Disclosure of detailed information about financial instruments [line items]
Exchange rate	5.1967
UNITED STATES [member] | Probable scenario [member]
Disclosure of detailed information about financial instruments [line items]
Exchange rate	5.2617
UNITED STATES [member] | Scenario 1 [member]
Disclosure of detailed information about financial instruments [line items]
Exchange rate	6.4959
UNITED STATES [member] | Scenario 2 [member]
Disclosure of detailed information about financial instruments [line items]
Exchange rate	7.7951
Euro [member]
Disclosure of detailed information about financial instruments [line items]
Exchange rate	6.3779
Euro [member] | Probable scenario [member]
Disclosure of detailed information about financial instruments [line items]
Exchange rate	6.3867
Euro [member] | Scenario 1 [member]
Disclosure of detailed information about financial instruments [line items]
Exchange rate	7.9724
Euro [member] | Scenario 2 [member]
Disclosure of detailed information about financial instruments [line items]
Exchange rate	9.5669
USD x EUR [member]
Disclosure of detailed information about financial instruments [line items]
Exchange rate	1.2271
USD x EUR [member] | Probable scenario [member]
Disclosure of detailed information about financial instruments [line items]
Exchange rate	1.2124
USD x EUR [member] | Scenario 1 [member]
Disclosure of detailed information about financial instruments [line items]
Exchange rate	1.5339
USD x EUR [member] | Scenario 2 [member]
Disclosure of detailed information about financial instruments [line items]
Exchange rate	1.8407

X

- 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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2020-01-01
-Paragraph 112
-Subparagraph c
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-URIDate 2020-01-01

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- Definition

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+ References

No definition available.

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