Represent the amount of advisory fee.

No definition available.

Name:	brer_AdvisoryFee
Namespace Prefix:	brer_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represent the amount of agreement monthly fee.

+ References

No definition available.

+ Details

Name:	brer_AgreementMonthlyFee
Namespace Prefix:	brer_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of cancellation of ordinary shares.

+ References

No definition available.

+ Details

Name:	brer_CancellationOfOrdinaryShares
Namespace Prefix:	brer_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Cancellation of price per share.

+ References

No definition available.

+ Details

Name:	brer_CancellationOfPricePerShare
Namespace Prefix:	brer_
Data Type:	dtr:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares equity warrants granted.

+ References

No definition available.

+ Details

Name:	brer_EquityWarrantsGranted
Namespace Prefix:	brer_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares cancelled and held by related parties .

+ References

No definition available.

+ Details

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

- Definition

Number of shares issued related with subscription receivable within the shareholders capital.

+ References

No definition available.

+ Details

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

- Definition

Number of shares issued related with subscription receivable within the shareholders capital per share.

+ References

No definition available.

+ Details

Name:	brer_NumberOfSharesIssuedRelatedWithSubscriptionReceivableWithinTheShareholdersCapitalPerShare
Namespace Prefix:	brer_
Data Type:	dtr1:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of shares issued to related parties.

+ References

No definition available.

+ Details

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

- Definition

The percentage of cash compensation per annum.

+ References

No definition available.

+ Details

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

- Definition

Prepaid digital asset balance.

+ References

No definition available.

+ Details

Name:	brer_PrepaidDigitalAsserAmount
Namespace Prefix:	brer_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Rate of discount to fair market price.

+ References

No definition available.

+ Details

Name:	brer_RateOfDiscountToFairMarketPrice
Namespace Prefix:	brer_
Data Type:	dtr1:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Related party expenses.

+ References

No definition available.

+ Details

Name:	brer_RelatedPartyExpenses
Namespace Prefix:	brer_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represent the amount of short term interest free loans.

+ References

No definition available.

+ Details

Name:	brer_ShortTermInterestFreeLoans
Namespace Prefix:	brer_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represent the amount of short term loan amount.

+ References

No definition available.

+ Details

Name:	brer_ShortTermLoanAmount
Namespace Prefix:	brer_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represent the amount of assets managements.

+ References

No definition available.

+ Details

Name:	brer_StrategicAdvisorCompensationAUMThreshold
Namespace Prefix:	brer_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The percentage of agreement effective date per annum.

+ References

No definition available.

+ Details

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

- Definition

Subscription receivable within the shareholders capital.

+ References

No definition available.

+ Details

Name:	brer_SubscriptionReceivableWithinTheShareholdersCapital
Namespace Prefix:	brer_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represent the amount of total grant date fair value amount.

+ References

No definition available.

+ Details

Name:	brer_TotalGrantDateFairValueAmount
Namespace Prefix:	brer_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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

- Definition

The exercise price of outstanding share options.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2025-01-01
-Paragraph 45
-Subparagraph d
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45_d&doctype=Standard
-URIDate 2025-03-27

+ Details

Name:	ifrs-full_ExercisePriceOfOutstandingShareOptions2019
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of loans payable in default.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2025-01-01
-Paragraph 18
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_18_b&doctype=Standard
-URIDate 2025-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
-Number 19
-IssueDate 2025-01-01
-Paragraph 54
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_54_b&doctype=Standard
-URIDate 2025-03-27

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
-Number 19
-IssueDate 2025-01-01
-Paragraph 54
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_54_b&doctype=Standard
-URIDate 2025-03-27

+ Details

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

- Definition

The amount of provisions for doubtful debts related to the amount of outstanding balances in related party transactions. [Refer: Provisions]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2025-01-01
-Paragraph 18
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2025-en-r&anchor=para_18_c&doctype=Standard
-URIDate 2025-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
-Number 19
-IssueDate 2025-01-01
-Paragraph 230
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_230_c&doctype=Standard
-URIDate 2025-03-27

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
-Number 19
-IssueDate 2025-01-01
-Paragraph 230
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_230_c&doctype=Standard
-URIDate 2025-03-27

+ Details

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

- Details

Name:	ifrs-full_BorrowingsByNameAxis=brer_A2024DirectorLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

- Details

Name:	ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=brer_SubsequentEventsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

Related Party Transactions (Details)				1 Months Ended	3 Months Ended		12 Months Ended
Related Party Transactions (Details)	Apr. 24, 2026 EUR (€)	Apr. 24, 2026 USD ($)	Feb. 09, 2026 USD ($)	Sep. 30, 2025 EUR (€) shares	Nov. 29, 2024 EUR (€)	Nov. 29, 2024 USD ($)	Dec. 31, 2025 EUR (€) shares	Dec. 31, 2025 USD ($)	Dec. 31, 2024 EUR (€) shares	Dec. 31, 2024 EUR (€) $ / shares	Dec. 31, 2025 $ / shares	Oct. 31, 2025 EUR (€)	Oct. 31, 2025 USD ($)	Sep. 30, 2025 $ / shares
Related Party Transactions [Line Items]
Outstanding loan							€ 2,650,000		€ 1,000	€ 1,000
Cash compensation per annum							1.00%	1.00%
Assets management (in Dollars) \| $								$ 1,000,000,000
Agreement effective date per annum							0.50%	0.50%
Advisory fee							€ 237,000
Equity Warrants Granted (in Shares) \| shares				20,000
Exercise price (in Dollars per share) \| $ / shares											$ 0.5			$ 1.5
Fair value (in Dollars) \| $		$ 3,228
Number Of Shares Issued To Related Parties (in Shares) \| shares							54,000
Subscription Receivable Within The Shareholders Capital							€ 22
Number Of Shares Issued Related With Subscription Receivable Within The Shareholders Capital (in Shares) \| shares							54,000
Number of shares issued related with subscription receivable within the shareholders capital Per Share (in Dollars per share) \| $ / shares											$ 0.5
Number Of Shares Cancelled And Held By Related Parties (in Shares) \| shares							567,380
A2024 Director Loans [Member]
Related Party Transactions [Line Items]
Short term interest free loans					€ 294,000	$ 305,000
Short term loan amount									€ 294,000
Cancellation of ordinary shares (in Shares) \| shares									488,000
Ordinary shares cancelled price per share (in Dollars per share) \| $ / shares										€ 0.625
Loans Payable to Related Parties [Member] \| A2024 Director Loans [Member]
Related Party Transactions [Line Items]
Outstanding loan									€ 77,000	€ 77,000
Advisory Services [Member]
Related Party Transactions [Line Items]
Related party expenses				€ 3,228
Solana Foundation [Member]
Related Party Transactions [Line Items]
Rate Of Discount To Fair Market Price												15.00%	15.00%
Prepaid digital asset balance												€ 28,680
Impairment provision (in Dollars) \| $													$ 14,426
Subsequent Events [Member] \| Pulsar Group Consulting Agreement [Member]
Related Party Transactions [Line Items]
Agreement monthly fee (in Dollars) \| $			$ 250,000
Related party expenses	€ 812