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Loan and Lease Operations - Summary of Loan Operations and Lease Operations by Maturity (Detail) - BRL (R$) R$ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Disclosure of loans and lease operations [Line Items] |  |
Loan operations and lease operations by type | R$ 822,590 | R$ 714,104
Overdue as from 1 day [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Loan operations and lease operations by type | 20,960 | 18,683
Falling due up to 3 months [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Loan operations and lease operations by type | 211,329 | 172,497
Falling due from 3 months to 12 months [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Loan operations and lease operations by type | 205,119 | 181,033
Falling due after 1 year [member] |  |
Disclosure of loans and lease operations [Line Items] |  |
Loan operations and lease operations by type | R$ 385,182 | R$ 341,891

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