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v3.23.4

Trade and Other Receivables (Details) | 6 Months Ended
--- | ---
Jun. 30, 2023 | Jun. 30, 2022
Trade and Other Receivables (Details) [Line Items] |  |
Percentage of trade receivable | 60.00% |
Number of customer | 1 | 2
Trade receivables [member] |  |
Trade and Other Receivables (Details) [Line Items] |  |
Number of customer | 1 |

X
- Definition Number of customer. + References No definition available. + Details
Name: | brer_NumberOfCustomer
Namespace Prefix: | brer_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of trade receivable. + References No definition available. + Details
Name: | brer_PercentageOfTradeReceivable
Namespace Prefix: | brer_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=ifrs-full_TradeReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |