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12. FINANCIAL INSTRUMENTS (Details 14) R$ in Thousands | Dec. 31, 2019 BRL (R$)
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Borrowings And Financing [Member] |
Disclosure of detailed information about financial instruments [line items] |
Contractual maturities | R$ 28,090,703
Borrowings And Financing [Member] | 2020 [member] |
Disclosure of detailed information about financial instruments [line items] |
Contractual maturities | 5,152,234
Borrowings And Financing [Member] | 2021 [member] |
Disclosure of detailed information about financial instruments [line items] |
Contractual maturities | 6,888,149
Borrowings And Financing [Member] | Later than two years and not later than five years [member] |
Disclosure of detailed information about financial instruments [line items] |
Contractual maturities | 9,087,030
Borrowings And Financing [Member] | Later than five years [member] |
Disclosure of detailed information about financial instruments [line items] |
Contractual maturities | 6,963,290
Leases [Member] |
Disclosure of detailed information about financial instruments [line items] |
Contractual maturities | 474,390
Leases [Member] | 2020 [member] |
Disclosure of detailed information about financial instruments [line items] |
Contractual maturities | 35,040
Leases [Member] | 2021 [member] |
Disclosure of detailed information about financial instruments [line items] |
Contractual maturities | 44,873
Leases [Member] | Later than two years and not later than five years [member] |
Disclosure of detailed information about financial instruments [line items] |
Contractual maturities | 44,872
Leases [Member] | Later than five years [member] |
Disclosure of detailed information about financial instruments [line items] |
Contractual maturities | 349,605
Trade Payables [Member] |
Disclosure of detailed information about financial instruments [line items] |
Contractual maturities | 3,012,654
Trade Payables [Member] | 2020 [member] |
Disclosure of detailed information about financial instruments [line items] |
Contractual maturities | 3,012,654
Trade Payables - Drawee Risk [Member] |
Disclosure of detailed information about financial instruments [line items] |
Contractual maturities | 1,121,312
Trade Payables - Drawee Risk [Member] | 2020 [member] |
Disclosure of detailed information about financial instruments [line items] |
Contractual maturities | 1,121,312
Dividends And Interest On Equity [Member] |
Disclosure of detailed information about financial instruments [line items] |
Contractual maturities | 13,252
Dividends And Interest On Equity [Member] | 2020 [member] |
Disclosure of detailed information about financial instruments [line items] |
Contractual maturities | R$ 13,252

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