Disclosure Of Income Tax [Text Block]

Marshalls PLC - Filing #5821477

Concept	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31
Disclosure of income tax [text block]	—	—	—	—	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Major components of tax expense (income) [abstract]
Tax expense (income)	—	—	—	—	—	8,400,000 GBP	—	—	—	—	—	3,800,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—
Income tax relating to components of other comprehensive income [abstract]
Income tax relating to remeasurements of defined benefit plans included in other comprehensive income	— GBP	— GBP	— GBP	— GBP	3,400,000 GBP	3,400,000 GBP	— GBP	— GBP	— GBP	— GBP	—	2,400,000 GBP	—	2,400,000 GBP	— GBP	— GBP	2,400,000 GBP	— GBP	— GBP	— GBP	— GBP	— GBP	— GBP	— GBP
Disclosure of temporary difference, unused tax losses and unused tax credits [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of temporary difference, unused tax losses and unused tax credits [abstract]
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Deferred tax assets and liabilities [abstract]
Deferred tax assets	—	—	—	—	—	—	—	—	—	—	2,100,000 GBP	—	1,100,000 GBP	—	—	—	—	—	—	—	—	—	—	—
Deferred tax liabilities	—	—	—	—	—	—	—	—	—	—	83,700,000 GBP	—	85,200,000 GBP	—	—	—	—	—	—	—	—	—	—	—
Reconciliation of accounting profit multiplied by applicable tax rates [abstract]