XML 201 R176.htm IDEA: XBRL DOCUMENT
v3.25.1

TRANSACTIONS WITH RELATED PARTIES (Details 3) | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Transactions With Related Parties |  |
Common shares | 0.32% | 0.33%
Preferred shares | 0.93% | 0.83%
Total shares | 0.63% | 0.58%

X
- References No definition available. + Details
Name: | bbd_EquityParticipationCommonShares
Namespace Prefix: | bbd_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | bbd_EquityParticipationPreferredShares
Namespace Prefix: | bbd_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | bbd_EquityParticipationTotalShares
Namespace Prefix: | bbd_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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