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Investments (Details 1) - BRL (R$) R$ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of subsidiaries [line items] |  |  |  |
ASSETS | R$ 57,384,156 | R$ 55,819,074 |  |
Current assets | 13,041,808 | 13,715,730 |  |
Non-current assets | 44,342,348 | 42,103,344 |  |
LIABILITIES | 57,384,156 | 55,819,074 |  |
Current liabilities | 10,342,380 | 9,309,433 |  |
Non-current liabilities | 21,404,841 | 22,317,974 |  |
Equity | 25,636,935 | 24,191,667 | R$ 21,131,225 | R$ 22,175,235
Net operating revenue | 22,651,036 | 21,479,468 | 20,535,341 |
OPERATING COSTS AND EXPENSES | (18,867,990) | (18,092,563) | (17,254,583) |
Financial results | (1,157,014) | (1,204,990) | (2,005,884) |
Income tax and social contribution | 599,435 | 354,057 | (281,099) |
NET INCOME | 2,799,370 | 2,327,168 | 1,149,321 |
Total comprehensive income | 3,038,932 | 2,072,843 | 1,359,308 |
Cash flows from operating activities | 3,393,536 | 3,518,476 | 3,902,649 |
Cash flows from investing activities | (5,739,414) | (3,135,091) | (2,774,996) |
Cash flows from financing activities | 803,856 | 2,696,572 | (1,922,041) |
CHANGE IN CASH AND CASH EQUIVALENTS | (1,542,022) | 3,079,957 | (794,388) |
Attributable to non-controlling interests | (37,783) | 305,514 |  |
Gains (losses) on disposals of investments | (299,199) |  |  |
Total for all subsidiaries [member] |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |
Attributable to non-controlling interests | (37,783) | 305,514 | 313,861 |
Profit (loss), attributable to non-controlling interests | (10,261) | 68,358 |  |
Other comprehensive income, attributable to non-controlling interests | (142) | (546) |  |
Dividends paid to non-controlling interests | (33,695) | (13,997) |  |
Distribution of dividends with retained earnings |  | (62,162) |  |
Gains (losses) on disposals of investments | (299,199) |  |  |
Compagas [Member] |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |
Attributable to non-controlling interests | 0 | 255,677 | 272,995 |
Profit (loss), attributable to non-controlling interests | 23,823 | 58,181 |  |
Other comprehensive income, attributable to non-controlling interests | 0 | 660 |  |
Dividends paid to non-controlling interests | (33,695) | (13,997) |  |
Distribution of dividends with retained earnings |  | (62,162) |  |
Gains (losses) on disposals of investments | (245,805) |  |  |
Elejor [Member] |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |
ASSETS | 748,720 | 804,150 |  |
Current assets | 124,996 | 209,323 |  |
Non-current assets | 623,724 | 594,827 |  |
LIABILITIES | 748,720 | 804,150 |  |
Current liabilities | 114,110 | 109,350 |  |
Non-current liabilities | 760,550 | 730,939 |  |
Equity | (125,940) | (36,139) |  |
Net operating revenue | 91,418 | 140,757 | 194,287 |
OPERATING COSTS AND EXPENSES | (102,299) | (92,793) | (86,033) |
Financial results | (124,476) | (43,569) | (113,102) |
Income tax and social contribution | 46,029 | (1,487) | 4,158 |
NET INCOME | (89,328) | 2,908 | (690) |
Other comprehensive income | (475) | (4,206) | 0 |
Total comprehensive income | (89,803) | (1,298) | (690) |
Cash flows from operating activities | (58,715) | (14,772) | 45,249 |
Cash flows from investing activities | (10,747) | (4,600) | (7,364) |
Cash flows from financing activities | 0 | 0 | 0 |
TOTAL EFFECTS ON CASH AND CASH EQUIVALENTS | (69,462) | (19,372) | 37,885 |
Cash and cash equivalents at the beginning of the year | 166,544 | 185,916 | 148,031 |
Cash and cash equivalents at the end of the year | 97,082 | 166,544 | 185,916 |
CHANGE IN CASH AND CASH EQUIVALENTS | (69,462) | (19,372) | 37,885 |
Attributable to non-controlling interests | (37,783) | (10,841) | (10,451) |
Profit (loss), attributable to non-controlling interests | (26,800) | 873 |  |
Other comprehensive income, attributable to non-controlling interests | (142) | (1,263) |  |
Dividends paid to non-controlling interests | 0 | 0 |  |
Distribution of dividends with retained earnings |  | 0 |  |
Gains (losses) on disposals of investments | 0 |  |  |
U E G Araucaria [Member] |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |
Attributable to non-controlling interests | 0 | 60,678 | R$ 51,317 |
Profit (loss), attributable to non-controlling interests | (7,284) | 9,304 |  |
Other comprehensive income, attributable to non-controlling interests | 0 | 57 |  |
Dividends paid to non-controlling interests | 0 | 0 |  |
Distribution of dividends with retained earnings |  | R$ 0 |  |
Gains (losses) on disposals of investments | R$ (53,394) |  |  |

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