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Marketable Securities - Schedule of Marketable Securities (Details) - BRL (R$) R$ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
IfrsStatementLineItems [Line Items] |  |
Current investments | R$ 358 | R$ 774
Non-current investments | 135 |
Investments | 493 | 774
Bank deposit certificates (CDBs) [member] |  |
IfrsStatementLineItems [Line Items] |  |
Current investments |  | R$ 74
Bank deposit certificates (CDBs) [member] | Minimum [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Percentage of financial notes remuneration of cdi rates |  | 103.00%
Bank deposit certificates (CDBs) [member] | Maximum [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Percentage of financial notes remuneration of cdi rates |  | 104.30%
Financial Notes Banks [member] |  |
IfrsStatementLineItems [Line Items] |  |
Current investments | 279 | R$ 475
Non-current investments | R$ 135 |
Financial Notes Banks [member] | Minimum [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Percentage of financial notes remuneration of cdi rates | 104.20% | 108.60%
Financial Notes Banks [member] | Maximum [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Percentage of financial notes remuneration of cdi rates | 112.00% | 111.98%
Marketable securities - treasury financial notes [member] |  |
IfrsStatementLineItems [Line Items] |  |
Current investments | R$ 72 | R$ 214
Marketable securities - treasury financial notes [member] | Minimum [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Percentage of financial notes remuneration of cdi rates | 12.41% | 11.83%
Marketable securities - treasury financial notes [member] | Maximum [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Percentage of financial notes remuneration of cdi rates | 12.45% | 11.85%
Other Investment [member] |  |
IfrsStatementLineItems [Line Items] |  |
Current investments | R$ 7 | R$ 11

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