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CHANGES IN EQUITY - Treasury Shares (Details) - BRL (R$) shares in Millions, R$ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Changes In Equity |  |  |
Balance, treasury shares acquired/realized (in shares) | 5.8 | 0.2 | 3.6
Balance, treasury shares acquired/realized, amount | R$ (98.3) | R$ (3.2) | R$ (68.2)
Balance, treasury shares (in shares) | (939.5) | (938.5) | (887.0)
Balance, treasury shares, amount | R$ (1,037.8) | R$ (941.7) | R$ (955.2)
Changes during the year, treasury shares acquired/realized (in shares) | 2.7 | 5.6 | (3.4)
Changes during the year, treasury shares acquired/realized, amount | R$ (33.5) | R$ (95.1) | R$ 65.0
Changes during the year, treasury shares (in shares) | (2.1) | (1.0) | (51.5)
Changes during the year, treasury shares, amount | R$ (35.6) | R$ (96.1) | R$ 13.5
Balance, treasury shares acquired/realized (in shares) | 8.5 | 5.8 | 0.2
Balance, treasury shares acquired/realized, amount | R$ (131.8) | R$ (98.3) | R$ (3.2)
Balance, treasury shares (in shares) | (941.6) | (939.5) | (938.5)
Balance, treasury shares, amount | R$ (1,073.4) | R$ (1,037.8) | R$ (941.7)

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