The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 7
-IssueDate 2024-01-01
-Paragraph 45
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2024-en-r&anchor=para_45&doctype=Standard
-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2024-01-01
-Paragraph B13
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_B13_a&doctype=Appendix&subtype=B
-URIDate 2024-03-27

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 54
-Subparagraph i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_i&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_CashAndCashEquivalents
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of contractual undiscounted cash flows in relation to derivative financial liabilities. [Refer: Derivative financial liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2024-01-01
-Paragraph 39
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_39_b&doctype=Standard
-URIDate 2024-03-27

+ Details

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

- Definition

The amount of contractual undiscounted cash flows in relation to non-derivative financial liabilities.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2024-01-01
-Paragraph 39
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_39_a&doctype=Standard
-URIDate 2024-03-27

+ Details

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

- References

No definition available.

+ Details

Name:	manu_ContractualUndiscountedCashFlowsIncludingInterestAbstract
Namespace Prefix:	manu_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

Name:	manu_DisclosureOfMaturityAnalysisForNetSettledDerivativeAndNonDerivativeFinancialLiabilitiesLineItems
Namespace Prefix:	manu_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of contractual undiscounted cash flows in relation to financial liabilities

+ References

No definition available.

+ Details

Name:	manu_FinancialLiabilitiesUndiscountedCashFlows
Namespace Prefix:	manu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	ifrs-full_MaturityAxis=ifrs-full_NotLaterThanOneYearMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfFinancialLiabilitiesAxis=manu_TradeAndOtherPayablesExcludingSocialSecurityAndOtherTaxesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfFinancialLiabilitiesAxis=manu_IfrsBorrowingsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfFinancialLiabilitiesAxis=ifrs-full_LeaseLiabilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfFinancialLiabilitiesAxis=manu_DerivativesCashOutflowMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_MaturityAxis=ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_MaturityAxis=ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_MaturityAxis=ifrs-full_LaterThanFiveYearsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Financial risk management - Liquidity risk (Details) - GBP (£)	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Details of liquidity risk
Cash and cash equivalents	£ 86,105,000	£ 73,549,000	£ 76,019,000	£ 121,223,000
Less than 1 year
Contractual undiscounted cash flows including interest
Non-derivative financial liabilities, undiscounted cash flows	533,809,000	284,941,000
Financial liabilities, undiscounted cash flows	536,642,000	287,563,000
Less than 1 year \| Trade and other payables excluding social security and other taxes
Contractual undiscounted cash flows including interest
Non-derivative financial liabilities, undiscounted cash flows	340,948,000	225,657,000
Less than 1 year \| Borrowings
Contractual undiscounted cash flows including interest
Non-derivative financial liabilities, undiscounted cash flows	191,890,000	57,665,000
Less than 1 year \| Lease liabilities
Contractual undiscounted cash flows including interest
Non-derivative financial liabilities, undiscounted cash flows	971,000	1,619,000
Less than 1 year \| Cash outflow
Contractual undiscounted cash flows including interest
Derivative financial liabilities, undiscounted cash flows	2,833,000	2,622,000
Between 1 and 2 years
Contractual undiscounted cash flows including interest
Non-derivative financial liabilities, undiscounted cash flows	495,700,000	142,690,000
Financial liabilities, undiscounted cash flows	497,908,000	145,606,000
Between 1 and 2 years \| Trade and other payables excluding social security and other taxes
Contractual undiscounted cash flows including interest
Non-derivative financial liabilities, undiscounted cash flows	152,573,000	113,748,000
Between 1 and 2 years \| Borrowings
Contractual undiscounted cash flows including interest
Non-derivative financial liabilities, undiscounted cash flows	341,904,000	27,665,000
Between 1 and 2 years \| Lease liabilities
Contractual undiscounted cash flows including interest
Non-derivative financial liabilities, undiscounted cash flows	1,223,000	1,277,000
Between 1 and 2 years \| Cash outflow
Contractual undiscounted cash flows including interest
Derivative financial liabilities, undiscounted cash flows	2,208,000	2,916,000
Between 2 and 5 years
Contractual undiscounted cash flows including interest
Non-derivative financial liabilities, undiscounted cash flows	289,068,000	652,299,000
Financial liabilities, undiscounted cash flows	289,857,000	655,268,000
Between 2 and 5 years \| Trade and other payables excluding social security and other taxes
Contractual undiscounted cash flows including interest
Non-derivative financial liabilities, undiscounted cash flows	76,286,000	81,937,000
Between 2 and 5 years \| Borrowings
Contractual undiscounted cash flows including interest
Non-derivative financial liabilities, undiscounted cash flows	209,416,000	567,432,000
Between 2 and 5 years \| Lease liabilities
Contractual undiscounted cash flows including interest
Non-derivative financial liabilities, undiscounted cash flows	3,366,000	2,930,000
Between 2 and 5 years \| Cash outflow
Contractual undiscounted cash flows including interest
Derivative financial liabilities, undiscounted cash flows	789,000	2,969,000
Over 5 years
Contractual undiscounted cash flows including interest
Non-derivative financial liabilities, undiscounted cash flows	6,198,000	6,698,000
Financial liabilities, undiscounted cash flows	6,198,000	6,698,000
Over 5 years \| Lease liabilities
Contractual undiscounted cash flows including interest
Non-derivative financial liabilities, undiscounted cash flows	£ 6,198,000	£ 6,698,000