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35 Financial Instruments (Details 10) - BRL (R$) R$ / shares in Units, R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Disclosure of detailed information about financial instruments [line items] |  |
Less: Cash and cash equivalents | R$ (3,222,768) | R$ (2,941,727)
Net income | 3,909,750 |
Deferred IRPJ and CSLL | 24,896 |
Provision for IRPJ and CSLL | 1,260,469 |
Depreciation and amortization | 1,009,912 |
Capital Management Risk [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Loans and financing | 3,188,531 | 3,142,383
Debentures | 6,757,481 | 8,429,710
Less: Cash and cash equivalents | (3,222,768) | (2,941,727)
Less: Bonds and securities (current) | (1,465) | (3,112)
Less: Bonds and securities (noncurrent) - debt contract guarantees | (175,901) | (121,617)
Less: Collaterals and escrow accounts STN | (133,521) | (98,433)
Adjusted net debt | 6,412,357 | 8,407,204
Net income | 3,834,172 | 2,062,869
Equity in earnings of investees | (193,547) | (106,757)
Deferred IRPJ and CSLL | 24,896 | 205,771
Provision for IRPJ and CSLL | 1,260,469 | 433,555
Financial expenses (income), net | (866,271) | (488,486)
Depreciation and amortization | 1,009,913 | 1,093,836
Adjusted ebitda | R$ 5,069,632 | R$ 4,177,760
Adjusted net debt / Ebitda (in R$ per share) | R$ 1.26 | R$ 2.01

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