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Presentation of Financial Statements and Summary of Significant Accounting Policies- Summary of he Range Of Estimated Impacts On the Adoption Of the Ifrs 16 (Detail) - BRL (R$) R$ in Thousands | Dec. 31, 2019 | Jan. 01, 2019 | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | --- | --- | ---
Current assets |  |  |  |
Prepaid expenses | R$ 111,355 |  | R$ 187,570 |
Non-current assets |  |  |  |
Prepaid expenses | 69,216 |  | 399,095 |
Right of use assets | 1,980,912 |  |  |
Intangible assets | 1,762,593 |  | 2,369,355 |
Total assets | R$ 31,195,472 |  | R$ 30,499,395 | R$ 28,284,346
IFRS 16 [member] | Increase (decrease) due to changes in accounting policy [member] |  |  |  |
Current assets |  |  |  |
Prepaid expenses |  | R$ (39,066) |  |
Non-current assets |  |  |  |
Prepaid expenses |  | (288,630) |  |
Right of use assets |  | 1,731,427 |  |
Intangible assets |  | (39,928) |  |
Total assets |  | 1,363,803 |  |
Current liabilities |  |  |  |
Lease contracts payable |  | 13,827 |  |
Non-current liabilities |  |  |  |
Lease contracts payable |  | 1,349,976 |  |
Total liabilities |  | R$ 1,363,803 |  |

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