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Trade and Other Payables (Details)	Jun. 30, 2023
Trade and Other Payables [Abstract]
Related party trade payable represents percentage	40.00%

X

- Definition

Related party trade payable percentage.

+ References

No definition available.

+ Details

Name:	brer_RelatedPartyTradePayablePercentage
Namespace Prefix:	brer_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	instant

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- References

No definition available.

+ Details

Name:	ifrs-full_TradeAndOtherPayablesAbstract
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration