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EQUITY - Capital increase (Details) R$ in Thousands |  | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Feb. 28, 2023 BRL (R$) shares | Dec. 31, 2023 BRL (R$) shares | Mar. 21, 2023 BRL (R$) shares | Dec. 31, 2022 BRL (R$) shares | Dec. 31, 2021 BRL (R$) shares | Dec. 31, 2020 BRL (R$)
EQUITY |  |  |  |  |  |
Increase in capital through capitalization of retained earnings | R$ | R$ 966,162 |  |  |  |  |
Number of shares authorized through capitalization of retained earnings | 83,669,860 |  |  |  |  |
Shares subscribed and paid up |  | 1,757,067,050 | 1,757,067,050 | 1,673,397,190 | 1,719,658,728 |
Equity | R$ |  | R$ 49,238,863 | R$ 20,215,343 | R$ 46,298,193 | R$ 42,815,649 | R$ 31,085,210
Ratio of capital increase bonus issued | 0.05 |  |  |  |  |
Common shares |  |  |  |  |  |
EQUITY |  |  |  |  |  |
Number of shares authorized through capitalization of retained earnings | 28,596,497 |  |  |  |  |
Shares subscribed and paid up |  | 600,526,442 | 600,526,442 | 571,929,945 | 573,627,483 |
Preferred shares |  |  |  |  |  |
EQUITY |  |  |  |  |  |
Number of shares authorized through capitalization of retained earnings | 55,073,363 |  |  |  |  |
Shares subscribed and paid up |  | 1,156,540,608 | 1,156,540,608 | 1,101,467,245 | 1,146,031,245 |
Investments and working capital reserve |  |  |  |  |  |
EQUITY |  |  |  |  |  |
Increase in capital through capitalization of retained earnings | R$ |  | R$ (966,162) |  |  |  |
Equity | R$ |  | R$ 20,471,931 |  | R$ 18,186,532 | R$ 14,918,194 | R$ 5,495,796

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