Name:	brer_LoansPayableLineItems
Namespace Prefix:	brer_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Number of shares exchanged.

No definition available.

Name:	brer_NumberOfSharesExchanged
Namespace Prefix:	brer_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Weighted average annualized interest rate.

No definition available.

Name:	brer_WeightedAverageInterestRate
Namespace Prefix:	brer_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

Weighted average term of loan.

No definition available.

Name:	brer_WeightedAverageTermOfLoan
Namespace Prefix:	brer_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

The amount of outstanding funds that the entity is obligated to repay.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard
-URIDate 2024-03-27

Name:	ifrs-full_Borrowings
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The amount of loans received.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2024-03-27

Name:	ifrs-full_LoansReceived
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The nominal value per share.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 79
-Subparagraph a
-Clause iii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_79_a_iii&doctype=Standard
-URIDate 2024-03-27

Name:	ifrs-full_ParValuePerShare
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:perShareItemType
Balance Type:	na
Period Type:	instant

The amount of current borrowings. [Refer: Borrowings]

Name:	ifrs-full_ShorttermBorrowings
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=brer_GoranPandevMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=brer_DanielJospehMcCloryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=brer_MrMcCloryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: