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SHARE-BASED COMPENSATION PLAN - Long term compensation plans ("PS and SAR") (Details)	12 Months Ended
	Dec. 31, 2022 EquityInstruments item R$ / shares	Dec. 31, 2021 EquityInstruments R$ / shares	Dec. 31, 2020 EquityInstruments
SHARE-BASED COMPENSATION PLAN
Number of share-based compensation plans | item	3
PSO
Number of shares
Opening balance	5,415,754	5,772,356	5,996,437
Granted during of the year	4,152,200	1,906,343	1,770,384
Exercised	(1,474,506)	(1,860,334)	(1,789,413)
Exercised due to resignation	(175,552)	(86,196)	(21,253)
Abandoned / cancelled due to resignation	(334,711)	(316,415)	(183,799)
Closing balance	7,583,185	5,415,754	5,772,356
Average exercise price | R$ / shares	R$ 48.79	R$ 60.30
SAR and PLUS | PSO
SHARE-BASED COMPENSATION PLAN
Required investment, as a percentage of total phantom share options at grant date	5.00%
Required investment, as a percentage of total phantom share options three years after grant date	20.00%
Phantom shares measurement period	90 days
SAR and PLUS | PSO | Minimum
SHARE-BASED COMPENSATION PLAN
Vesting period	3 years
SAR and PLUS | PSO | Maximum
SHARE-BASED COMPENSATION PLAN
Vesting period	5 years

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