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Related Party Transactions (Details 3) R$ in Millions | 12 Months Ended
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Dec. 31, 2023 BRL (R$)
IfrsStatementLineItems [Line Items] |  |
Related party transaction amount | R$ 3,340 |
Norte energia s.a. [member] |  |
IfrsStatementLineItems [Line Items] |  |
Related party | Norte Energia (NESA) | [1]
Relationship | Affiliated | [1]
Type | Surety | [1]
Objective | Financing | [1]
Related party transaction amount | R$ 2,574 | [1]
Maturity | 2042 | [1]
Norte Energia S.A one [member] |  |
IfrsStatementLineItems [Line Items] |  |
Related party | Norte Energia S.A (NESA)/Light | [2]
Relationship | Affiliated | [2]
Type | Counter-guarantee | [2]
Objective | Financing | [2]
Related party transaction amount | R$ 684 | [2]
Maturity | 2042 | [2]
Norte Energia S A Two [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Related party | Norte Energia (NESA) |
Relationship | Affiliated |
Type | Surety |
Objective | Debentures |
Related party transaction amount | R$ 82 |
Maturity | 2030 |
[1] | Related to Norte Energia loans.
[2] | Counter-guarantee to Light, related to execution of guarantees of the Norte Energia loans.

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