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Equity and Remuneration to Shareholders - Schedule of Basic and Diluted Earnings Per Share (Details) - BRL (R$) R$ / shares in Units, R$ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Earnings per share [line items] |  |  |
Net income for the year attributed to equity holders of the parent | R$ 7,117 | R$ 5,764 | R$ 4,092
Minimum mandatory dividend from net income for the year - preferred shares | 2,485 | 2,080 | 1,486
Net income for the year not distributed - preferred shares | 2,252 | 1,757 | 1,238
Total earnings - preferred shares (A) | 4,737 | 3,837 | 2,724
Minimum mandatory dividend from net income for the year - common shares | 1,248 | 1,045 | 747
Net income for the year not distributed - common shares | 1,132 | 883 | 622
Total earnings - common shares (B) | R$ 2,380 | R$ 1,928 | R$ 1,369
Preferred shares [member] |  |  |
Earnings per share [line items] |  |  |
Basic earnings (loss) per share | R$ 2.49 | R$ 2.01 | R$ 1.86
Diluted earnings (loss) per share | 2.49 | 2.02 | 1.43
Common shares [member] |  |  |
Earnings per share [line items] |  |  |
Basic earnings (loss) per share |  | 2.01 | 1.86
Diluted earnings (loss) per share | R$ 2.49 | R$ 2.02 | R$ 1.43

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