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FINANCIAL INSTRUMENTS - Net investment hedge (Details) R$ in Thousands, $ in Billions | 12 Months Ended
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Dec. 31, 2023 BRL (R$) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 BRL (R$) | Dec. 31, 2021 BRL (R$)
Net investment hedge |  |  |  |
Gain (loss) on net investment hedge, recognized in OCI | R$ 247,924 |  | R$ 488,146 | R$ (695,102)
Ten Years Bonds |  |  |  |
Net investment hedge |  |  |  |
Gain (loss) on effects of exchange rate changes | R$ 2,100,000 | $ 0.4 |  |

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- Definition The gains (losses) recognised in other comprehensive income on hedges of net investments in foreign operations, net of tax, before reclassification adjustments. [Refer: Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 39 -IssueDate 2023-01-01 -Paragraph 102 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=39&code=ifrs-tx-2023-en-r&anchor=para_102_a&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 91 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_91_a&doctype=Standard -URIDate 2023-03-23 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 9 -IssueDate 2023-01-01 -Paragraph 6.5.13 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2023-en-r&anchor=para_6.5.13_a&doctype=Standard -URIDate 2023-03-23 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 24C -Subparagraph b -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_24C_b_i&doctype=Standard -URIDate 2023-03-23 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 24E -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_24E_a&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount of other comprehensive income, before tax, related to exchange differences on translation of the financial statements of a parent company or a stand-alone entity to a different presentation currency. [Refer: Other comprehensive income, before tax] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 91 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_91_b&doctype=Standard -URIDate 2023-03-23 + Details
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