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Loans and Debentures - Schedule of Capitalized Borrowing Cost (Details) - BRL (R$)
R$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Loans And Debentures      
Costs of loans and debentures R$ 1,083 R$ 975 R$ 1,162
Financing costs on intangible assets and contract assets (70) (47) (15)
Net effect in income or loss R$ 1,013 R$ 928 R$ 1,147