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EQUITY - Changes in treasury stocks (Details) - BRL (R$) R$ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Nov. 08, 2022
Value of shares |  |  |  |
Balance at beginning of year | R$ 46,298,193 | R$ 42,815,649 | R$ 31,085,210 |
Transfer of shares | (47,006) |  |  |
Balance at end of year | R$ 49,238,863 | R$ 46,298,193 | R$ 42,815,649 |
Common shares |  |  |  |
Number of shares |  |  |  |
Balance at beginning of the year | 571,929,945 | 571,929,945 | 571,929,945 |
Capital increase with share bonus | 28,596,497 |  |  |
Balance at end of year | 600,526,442 | 571,929,945 | 571,929,945 |
Preferred shares |  |  |  |
Number of shares |  |  |  |
Balance at beginning of the year | 1,091,630,395 | 1,133,816,901 | 1,129,231,487 |
Share buyback program |  | 44,564,000 |  |
Exercise of long-term incentive plan | (2,674,136) | (2,377,494) | (4,585,414) |
Capital increase with share bonus | 54,691,436 |  |  |
Balance at end of year | 1,148,995,967 | 1,091,630,395 | 1,133,816,901 |
Treasury Stocks |  |  |  |
Value of shares |  |  |  |
Balance at beginning of year | R$ (179,995) | R$ (152,409) | R$ (229,309) |
Balance at end of year | R$ (150,182) | R$ (179,995) | R$ (152,409) |
Treasury Stocks | Common shares |  |  |  |
Number of shares |  |  |  |
Balance at beginning of the year |  | 1,697,538 | 1,697,538 |
Exercise of long-term incentive plan |  |  |  |
Cancellation of treasury stocks |  | (1,697,538) |  | (1,697,538)
Balance at end of year |  |  | 1,697,538 |
Value of shares |  |  |  |
Balance at beginning of year |  | R$ 557 | R$ 557 |
Exercise of long-term incentive plan |  |  |  |
Cancellation of treasury stocks |  | (557) |  |
Balance at end of year |  |  | R$ 557 |
Treasury Stocks | Preferred shares |  |  |  |
Number of shares |  |  |  |
Balance at beginning of the year | 9,836,850 | 12,214,344 | 16,799,758 |
Share buyback program |  | 44,564,000 |  |
Exercise of long-term incentive plan | (2,674,136) | 2,377,494 | 4,585,414 |
Capital increase with share bonus | 381,927 |  |  |
Cancellation of treasury stocks |  | (44,564,000) |  | (44,564,000)
Balance at end of year | 7,544,641 | 9,836,850 | 12,214,344 |
Value of shares |  |  |  |
Balance at beginning of year | R$ 179,995 | R$ 151,852 | R$ 228,752 |
Share buyback program |  | 1,073,124 |  |
Exercise of long-term incentive plan | (29,813) | (21,452) | (76,900) |
Cancellation of treasury stocks |  | (1,023,529) |  |
Balance at end of year | R$ 150,182 | R$ 179,995 | R$ 151,852 |

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