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v3.25.1

RISK MANAGEMENT (Details 22) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Non Life [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Gross of reinsurance | R$ (56,151) | R$ (54,511)
Net of reinsurance | (55,887) | (54,324)
Life [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Gross of reinsurance | (38,389) | (34,000)
Net of reinsurance | (38,185) | (33,811)
Health And Dental [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Gross of reinsurance | (226,001) | (200,709)
Net of reinsurance | R$ (226,001) | R$ (200,709)

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- References No definition available. + Details
Name: | bbd_GrossOfReinsuranceAssets
Namespace Prefix: | bbd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
Name: | bbd_IfrsStatementLineItems
Namespace Prefix: | bbd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | bbd_NetOfReinsuranceAssets
Namespace Prefix: | bbd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | ifrs-full_InsuranceContractsByComponentsAxis=bbd_NonLifeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_InsuranceContractsByComponentsAxis=bbd_LifeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_InsuranceContractsByComponentsAxis=bbd_HealthAndDentalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |