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INCOME TAX AND SOCIAL CONTRIBUTION - Income tax and social contribution reported in other comprehensive income (Details) - BRL (R$) R$ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Originated from income and expenses recognized in other comprehensive income
Deferred income tax and social contribution on actuarial gains or losses	R$ (37,223)	R$ (15,068)	R$ (359,964)
Deferred income tax and social contribution on remeasurement of the fair value of financial instruments through OCI	(70,213)	142,426	79,621
Total income tax and social contribution recognized in other comprehensive income	R$ (107,436)	R$ 127,358	R$ (280,343)
Deferred income tax	15.00%
Corporate income tax	10.00%
Tax rate	9.00%
Taxable income	30.00%

X

- Definition

Additional surcharge rate on taxable income for income tax.

+ References

No definition available.

+ Details

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X

- Definition

The amount of income tax relating to amounts recognised in other comprehensive income in relation to actuarial gains or losses.

+ References

No definition available.

+ Details

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X

- Definition

Tax rate effect of adjustments for current and deferred tax of social contribution.

+ References

No definition available.

+ Details

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X

- Definition

The applicable income tax rate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2023-01-01
-Paragraph 81
-Subparagraph c
-Clause ii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2023-en-r&anchor=para_81_c_ii&doctype=Standard
-URIDate 2023-03-23

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X

- Definition

The amount of income tax relating to amounts recognised in other comprehensive income that will be reclassified to profit or loss. [Refer: Income tax relating to components of other comprehensive income]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 91
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_91&doctype=Standard
-URIDate 2023-03-23

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- References

No definition available.

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X

- Definition

The amount of income tax relating to amounts recognised in other comprehensive income in relation to financial assets measured at fair value through other comprehensive income applying paragraph 4.1.2A of IFRS 9. [Refer: Financial assets measured at fair value through other comprehensive income; Other comprehensive income]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2023-01-01
-Paragraph 81
-Subparagraph ab
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2023-en-r&anchor=para_81_ab&doctype=Standard
-URIDate 2023-03-23

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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-IssueDate 2023-01-01
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-URIDate 2023-03-23

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X

- Definition

Tax rate effects, in aggregate, on the reconciliation between the average effective tax rate and the applicable tax rate that the entity does not separately disclose in the reconciliation. [Refer: Average effective tax rate; Applicable tax rate]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2023-01-01
-Paragraph 81
-Subparagraph c
-Clause ii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2023-en-r&anchor=para_81_c_ii&doctype=Standard
-URIDate 2023-03-23

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