Name:	evtl_ChangeInFairValueOnFinancialLiabilitiesDesignatedAtFairValueThroughProfitAndLossWithNonRelatedPartyClassifiedAsFinanceCosts
Namespace Prefix:	evtl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Finance costs excluding related party finance costs

No definition available.

Name:	evtl_FinanceCostsExcludingRelatedPartyFinanceCosts
Namespace Prefix:	evtl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

No definition available.

Name:	evtl_FinanceIncomeCostAbstract
Namespace Prefix:	evtl_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Finance income excluding related party finance income.

No definition available.

Name:	evtl_FinanceIncomeExcludingRelatedPartyFinanceIncome
Namespace Prefix:	evtl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The amount of costs associated with financing activities for related party.

No definition available.

Name:	evtl_RelatedPartyFinanceCosts
Namespace Prefix:	evtl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The amount of income associated with interest and other financing activities of the entity from the transactions with the related party.

No definition available.

Name:	evtl_RelatedPartyFinanceIncome
Namespace Prefix:	evtl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The amount of related party finance income (costs).

No definition available.

Name:	evtl_RelatedPartyFinanceIncomeCosts
Namespace Prefix:	evtl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Change in fair value of financial liabilities designated at fair value through profit & loss from related party transactions classified as finance costs.

No definition available.

Name:	evtl_RelatedPartyTransactionsChangeInFairValueOnFinancialLiabilitiesDesignatedAtFairValueThroughProfitAndLossClassifiedAsFinanceCosts
Namespace Prefix:	evtl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Change in fair value of financial liabilities designated at fair value through profit & loss from related party transactions classified as finance income.

No definition available.

Name:	evtl_RelatedPartyTransactionsChangeInFairValueOnFinancialLiabilitiesDesignatedAtFairValueThroughProfitAndLossClassifiedAsFinanceIncome
Namespace Prefix:	evtl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The amount of interest expense on financial liabilities designated at fair value through profit or loss arising from the transactions with the related party.

No definition available.

Name:	evtl_RelatedPartyTransactionsInterestExpenseOnFinancialLiabilitiesDesignatedAtFairValueThroughProfitOrLoss
Namespace Prefix:	evtl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 85
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_85&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_FinanceIncomeCost
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 21
-IssueDate 2025-01-01
-Paragraph 52
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=21&code=ifrs-tx-2025-en-r&anchor=para_52_a&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 218
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_218_a&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 218
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_218_a&doctype=Standard
-URIDate 2025-03-27

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 35
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_35&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_ForeignExchangeGain
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Name:	ifrs-full_ForeignExchangeLoss
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2025-01-01
-Paragraph 53
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_53_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 115
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_115_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 115
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_115_b&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_InterestExpenseOnLeaseLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_112_c&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_InterestIncomeOnDeposits
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration