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Financial Instruments and Risk Management - Schedule of Credit Exposure (Parenthetical) (Details)
R$ in Millions
Dec. 31, 2024
BRL (R$)
Disclosure of financial instruments by type of interest rate [line items]  
Minimum equity required for concession of credit R$ 800
A1 rating [member] | Federal risk [member] | Maximum [Member]  
Disclosure of financial instruments by type of interest rate [line items]  
Minimum equity required for concession of credit 10,000
A2 Rating [member] | Federal risk [member] | Minimum [Member]  
Disclosure of financial instruments by type of interest rate [line items]  
Minimum equity required for concession of credit 5,000
A2 Rating [member] | Federal risk [member] | Maximum [Member]  
Disclosure of financial instruments by type of interest rate [line items]  
Minimum equity required for concession of credit 10,000
A3 rating [member] | Federal risk [member] | Minimum [Member]  
Disclosure of financial instruments by type of interest rate [line items]  
Minimum equity required for concession of credit 2,000
A3 rating [member] | Federal risk [member] | Maximum [Member]  
Disclosure of financial instruments by type of interest rate [line items]  
Minimum equity required for concession of credit 5,000
A 4 Rating [Member] | Federal risk [member] | Minimum [Member]  
Disclosure of financial instruments by type of interest rate [line items]  
Minimum equity required for concession of credit 800
A 4 Rating [Member] | Federal risk [member] | Maximum [Member]  
Disclosure of financial instruments by type of interest rate [line items]  
Minimum equity required for concession of credit R$ 2,000