Analysis Of Income And Expense [Abstract]

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	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	2023-01-01 to 2023-12-31
Analysis of income and expense [abstract]
Revenue [abstract]
Revenue	—	—	—	—	—	619,200,000 GBP	—	—	—	—	671,200,000 GBP	—	—	—	—	—	—	—	—	—	—	—
Material income and expense [abstract]
Operating expense	—	—	—	—	—	565,300,000 GBP	—	—	—	—	630,200,000 GBP	—	—	—	—	—	—	—	—	—	—	—
Miscellaneous other comprehensive income [abstract]
Other comprehensive income, before tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract]
Other comprehensive income, before tax, exchange differences on translation of foreign operations	— GBP	— GBP	— GBP	200,000 GBP	— GBP	200,000 GBP	— GBP	— GBP	— GBP	— GBP	100,000 GBP	100,000 GBP	— GBP	— GBP	— GBP	— GBP	100,000 GBP	— GBP	— GBP	— GBP	— GBP	— GBP
Income tax relating to components of other comprehensive income [abstract]
Income tax relating to components of other comprehensive income that will be reclassified to profit or loss	— GBP	— GBP	— GBP	— GBP	— GBP	200,000 GBP	200,000 GBP	— GBP	— GBP	— GBP	800,000 GBP	800,000 GBP	— GBP	— GBP	— GBP	— GBP	— GBP	— GBP	— GBP	— GBP	— GBP	800,000 GBP
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	— GBP	— GBP	— GBP	200,000 GBP	41,000,000 GBP	40,600,000 GBP	600,000 GBP	— GBP	— GBP	— GBP	9,400,000 GBP	10,200,000 GBP	— GBP	800,000 GBP	10,900,000 GBP	— GBP	200,000 GBP	— GBP	— GBP	— GBP	— GBP	900,000 GBP
Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	—	—	40,600,000 GBP	—	—	—	—	10,200,000 GBP	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract]
Comprehensive income, attributable to non-controlling interests	—	—	—	—	—	— GBP	—	—	—	—	800,000 GBP	—	—	—	—	—	—	—	—	—	—	—