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Loans and Debentures - Schedule of Changes in Loans, Financings and Debentures (Details) R$ in Millions, $ in Millions | 12 Months Ended
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Dec. 31, 2023 USD ($) | Dec. 31, 2023 BRL (R$) | Dec. 31, 2022 BRL (R$) | Dec. 31, 2021 BRL (R$)
IfrsStatementLineItems [Line Items] |  |  |  |
Beginning Balance |  | R$ 10,580 | R$ 11,364 | R$ 15,020
Initial balance for consolidation purposes |  |  |  | 15,020
Liabilities arising from business combination |  |  |  | 13
Discount and premium on repurchase of debt securities (Eurobonds) |  |  |  | 491
Loans and financings obtained |  | 2,000 | 2,000 |
(-) Transaction costs |  | (12) | (18) |
Financing obtained, net |  | 1,988 | 1,981 |
Monetary variation |  | 148 | 167 | 331
Exchange rate variation |  | (276) | (338) | 353
Financial charges provisioned |  | 1,082 | 975 | 1,162
Premium on repurchase of debt securities (Eurobonds) |  |  | 47 | 491
Amortization of transaction cost |  | 14 | 7 | 20
Financial charges paid |  | (1,026) | (1,010) | (1,589)
Amortization of financings |  | (2,679) | (2,613) | (4,437)
Subtotal |  |  |  | 11,364
Ending Balance | $ 1,857 | R$ 9,831 | R$ 10,580 | R$ 11,364

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