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12 FINANCIAL INSTRUMENTS (Details 3) - Dec. 31, 2019 - Foreign Exchange Risk [Member] € in Thousands, $ in Thousands | USD ($) | EUR (€)
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UNITED STATES |  |
Disclosure of detailed information about financial instruments [line items] |  |
Foreign exchange exposure | $ (3,713,598) |
Net foreign exchange exposure | (1,115,885) |
Perpetual Bonds | 1,000,000 |
Net foreign exchange exposure excluding perpetual bonds | (115,885) |
UNITED STATES | Cash flow hedges [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Net foreign exchange exposure | 2,530,713 |
UNITED STATES | Swap CDI x U.S.Dollar [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Net foreign exchange exposure | 67,000 |
UNITED STATES | Borrowings And Financing [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Foreign exchange exposure | (4,096,899) |
UNITED STATES | Trade Payables [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Foreign exchange exposure | (69,284) |
UNITED STATES | Other Liabilities [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Foreign exchange exposure | (2,680) |
UNITED STATES | Total Liabilities [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Foreign exchange exposure | (4,168,863) |
UNITED STATES | Cash And Cash Equivalents Overseas [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Foreign exchange exposure | 105,485 |
UNITED STATES | Trade Receivables [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Foreign exchange exposure | 346,264 |
UNITED STATES | Other Assets [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Foreign exchange exposure | 3,516 |
UNITED STATES | Total Assets [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Foreign exchange exposure | $ 455,265 |
Euro Member Countries, Euro |  |
Disclosure of detailed information about financial instruments [line items] |  |
Foreign exchange exposure | € |  | € (17,915)
Net foreign exchange exposure | € |  | 6,085
Net foreign exchange exposure excluding perpetual bonds | € |  | 6,085
Euro Member Countries, Euro | Hedges of Net Investment in Foreign Operations [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Foreign exchange exposure | € |  | 24,000
Euro Member Countries, Euro | Borrowings And Financing [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Foreign exchange exposure | € |  | (24,395)
Euro Member Countries, Euro | Trade Payables [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Foreign exchange exposure | € |  | (10,488)
Euro Member Countries, Euro | Other Liabilities [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Foreign exchange exposure | € |  | (963)
Euro Member Countries, Euro | Total Liabilities [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Foreign exchange exposure | € |  | (35,846)
Euro Member Countries, Euro | Cash And Cash Equivalents Overseas [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Foreign exchange exposure | € |  | 10,937
Euro Member Countries, Euro | Trade Receivables [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Foreign exchange exposure | € |  | 1,179
Euro Member Countries, Euro | Other Assets [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Foreign exchange exposure | € |  | 5,815
Euro Member Countries, Euro | Total Assets [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Foreign exchange exposure | € |  | € 17,931

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