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CHANGES IN EQUITY - Capital Reserves (Details) - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
IfrsStatementLineItems [Line Items] |  |  |
Beginning balance, capital reserves | R$ 86,378.8 |  |
Final balance, capital reserves | 92,246.6 | R$ 86,378.8 |
Treasury shares [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Beginning balance, capital reserves | (1,037.8) | (941.7) | R$ (955.2)
Capital Increase | (0.0) | (60.0) | (0.0)
Purchases of shares and results from treasury shares | (35.6) | (36.1) | 13.5
Final balance, capital reserves | (1,073.4) | (1,037.8) | (941.7)
Share premium [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Beginning balance, capital reserves | 53,662.8 | 53,662.8 | 53,662.8
Capital Increase | (0.0) | (0.0) | (0.0)
Purchases of shares and results from treasury shares | (0.0) | (0.0) | (0.0)
Final balance, capital reserves | 53,662.8 | 53,662.8 | 53,662.8
Other reserves [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Beginning balance, capital reserves | 700.9 | 700.9 | 700.9
Capital Increase | (0.0) | (0.0) | (0.0)
Purchases of shares and results from treasury shares | (0.0) | (0.0) | (0.0)
Final balance, capital reserves | 700.9 | 700.9 | 700.9
Reserve of share-based payments [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Beginning balance, capital reserves | 1,861.3 | 1,563.6 | 1,403.0
Capital Increase | (64.2) | (74.4) | (32.3)
Purchases of shares and results from treasury shares | 252.4 | 372.1 | 192.9
Final balance, capital reserves | 2,049.5 | 1,861.3 | 1,563.6
Capital reserve [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Beginning balance, capital reserves | 55,187.2 | 54,985.6 | 54,811.5
Capital Increase | (64.2) | (134.4) | (32.3)
Purchases of shares and results from treasury shares | 216.8 | 336.0 | 206.4
Final balance, capital reserves | R$ 55,339.8 | R$ 55,187.2 | R$ 54,985.6

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