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INVESTMENTS (Details 2) - BRL (R$)
R$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Investments Abstract      
Opening balances R$ 335 R$ 188 R$ 186
Dividends proposed by investees     399
Elimination of dividends due to business combination     (1)
Adjustment of dividends proposed by investee classified as held for sale     (1)
Withholding income tax on Interest on equity   (9) (8)
Amounts received (708) (499) (387)
Investees dividends proposed 519 655  
Ending balances R$ 146 R$ 335 R$ 188