Equity (Details) - shares
|
12 Months Ended |
Dec. 31, 2025 |
Dec. 31, 2024 |
| IfrsStatementLineItems [Line Items] |
|
|
| Number of shares, common |
703,773,868
|
683,509,868
|
| Percentage of shares, common |
100.00%
|
100.00%
|
| Number of shares, preferenciais |
1
|
1
|
| Percentage of shares, preferenciais |
100.00%
|
100.00%
|
| Number of shares, capital |
703,773,869
|
683,509,869,000
|
| Percentage of shares, capital |
100.00%
|
100.00%
|
| Sao Paulo State [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Number of shares, common |
126,684,334
|
123,036,669
|
| Percentage of shares, common |
18.00%
|
18.00%
|
| Number of shares, preferenciais |
1
|
1
|
| Percentage of shares, preferenciais |
100.00%
|
100.00%
|
| Number of shares, capital |
126,684,335,000
|
123,036,670,000
|
| Percentage of shares, capital |
18.00%
|
18.00%
|
| Equatorial S. A [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Number of shares, common |
105,566,079
|
102,526,480
|
| Percentage of shares, common |
15.00%
|
15.00%
|
| Number of shares, preferenciais |
|
|
| Percentage of shares, preferenciais |
|
|
| Number of shares, capital |
105,566,079,000
|
102,526,480,000
|
| Percentage of shares, capital |
15.00%
|
15.00%
|
| Free Float [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Number of shares, common |
471,523,455
|
457,946,719
|
| Percentage of shares, common |
67.00%
|
67.00%
|
| Number of shares, preferenciais |
|
|
| Percentage of shares, preferenciais |
|
|
| Number of shares, capital |
471,523,455,000
|
457,946,719,000
|
| Percentage of shares, capital |
67.00%
|
67.00%
|