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Risks and Financial Instruments - Summary of loss allowance for expected credit losses balances by geographic area (Detail) - BRL (R$) R$ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Disclosure of detailed information about financial instruments [line items] |  |
Loss allowance for expected credit losses | R$ 559,633 | R$ 579,107
Brasil [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Loss allowance for expected credit losses | 559,532 | 568,461
United States of America and Canada [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Loss allowance for expected credit losses | 3 | 1,146
Other Latin American countries [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Loss allowance for expected credit losses | 15 | 271
Europe [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Loss allowance for expected credit losses | 66 | 9,120
Others [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Loss allowance for expected credit losses | R$ 17 | R$ 109

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- Definition The amount of allowances for doubful accounts on trade receivables and other receivables. + References No definition available. + Details
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