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Financial Instruments and Risk Management - Schedule of Financial Instruments at Interest Rates (Details) R$ in Millions | Dec. 31, 2024 BRL (R$)
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Floating interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets held for managing liquidity risk | R$ 19,374 |
Fixed interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets held for managing liquidity risk | 22,326 |
Not later than one month [member] | Floating interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Principal | 5 |
Interest | 2 |
Not later than one month [member] | Fixed interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Principal | 2,792 |
Interest | 2 |
Later than one month and not later than three months [member] | Floating interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Principal | 335 |
Interest | 221 |
Later than one month and not later than three months [member] | Fixed interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Principal | 498 |
Interest | 221 |
Later than three months and not later than one year [member] | Floating interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Principal | 2,462 |
Interest | 727 |
Later than three months and not later than one year [member] | Fixed interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Principal | 2,464 |
Interest | 727 |
Later than one year and not later than five years [member] | Floating interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Principal | 5,672 |
Interest | 2,298 |
Later than one year and not later than five years [member] | Fixed interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Principal | 5,672 |
Interest | 2,298 |
Later than five years [member] | Floating interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Principal | 6,124 |
Interest | 1,528 |
Later than five years [member] | Fixed interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Principal | 6,124 |
Interest | 1,528 |
Loans Financings And Debentures [Member] | Floating interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets held for managing liquidity risk | 18,646 |
Loans Financings And Debentures [Member] | Not later than one month [member] | Floating interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Principal |  | [1]
Interest |  |
Loans Financings And Debentures [Member] | Later than one month and not later than three months [member] | Floating interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Principal | 324 |
Interest | 216 |
Loans Financings And Debentures [Member] | Later than three months and not later than one year [member] | Floating interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Principal | 2,414 |
Interest | 706 |
Loans Financings And Debentures [Member] | Later than one year and not later than five years [member] | Floating interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Principal | 5,354 |
Interest | 2,217 |
Loans Financings And Debentures [Member] | Later than five years [member] | Floating interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Principal | 5,902 |
Interest | 1,513 |
Onerous Concessions [Member] | Floating interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets held for managing liquidity risk | 33 |
Onerous Concessions [Member] | Not later than one month [member] | Floating interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Principal |  |
Interest |  |
Onerous Concessions [Member] | Later than one month and not later than three months [member] | Floating interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Principal | 1 |
Interest |  |
Onerous Concessions [Member] | Later than three months and not later than one year [member] | Floating interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Principal | 3 |
Interest |  |
Onerous Concessions [Member] | Later than one year and not later than five years [member] | Floating interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Principal | 14 |
Interest |  |
Onerous Concessions [Member] | Later than five years [member] | Floating interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Principal | 15 |
Interest |  |
Deficit of the pension plan (forluz) [member] | Floating interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets held for managing liquidity risk | 695 |
Deficit of the pension plan (forluz) [member] | Not later than one month [member] | Floating interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Principal | 5 |
Interest | 2 |
Deficit of the pension plan (forluz) [member] | Later than one month and not later than three months [member] | Floating interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Principal | 10 |
Interest | 5 |
Deficit of the pension plan (forluz) [member] | Later than three months and not later than one year [member] | Floating interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Principal | 45 |
Interest | 21 |
Deficit of the pension plan (forluz) [member] | Later than one year and not later than five years [member] | Floating interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Principal | 304 |
Interest | 81 |
Deficit of the pension plan (forluz) [member] | Later than five years [member] | Floating interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Principal | 207 |
Interest | 15 |
Suppliers [Member] | Fixed interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets held for managing liquidity risk | 2,952 |
Suppliers [Member] | Not later than one month [member] | Fixed interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Principal | 2,787 |
Interest |  |
Suppliers [Member] | Later than one month and not later than three months [member] | Fixed interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Principal | 163 |
Interest |  |
Suppliers [Member] | Later than three months and not later than one year [member] | Fixed interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Principal | 2 |
Interest |  |
Suppliers [Member] | Later than one year and not later than five years [member] | Fixed interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Principal |  |
Interest |  |
Suppliers [Member] | Later than five years [member] | Fixed interest rate [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Principal |  |
Interest |  |
[1] | The lease payment flow is presented in note 17.

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