Analysis Of Income And Expense [Abstract]

Morgan Advanced Materials PLC - Filing #2015238

Concept	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	2023-01-01 to 2023-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31
Analysis of income and expense [abstract]
Revenue [abstract]
Revenue	1,114,700,000 GBP	—	—	—	—	—	—	—	—	—	1,114,700,000 GBP	– GBP	—	—	—	1,112,100,000 GBP	—	—	—	—	– GBP	1,112,100,000 GBP	—	—	—	—
Material income and expense [abstract]
Write-downs (reversals of write-downs) of property, plant and equipment [abstract]
Impairment loss recognised in profit or loss, property, plant and equipment	7,300,000 GBP	—	—	—	—	—	—	—	—	—	– GBP	7,300,000 GBP	—	—	—	6,500,000 GBP	—	—	—	—	6,500,000 GBP	– GBP	—	—	—	—
Reversal of impairment loss recognised in profit or loss, property, plant and equipment	8,100,000 GBP	—	—	—	—	—	—	—	—	—	– GBP	8,100,000 GBP	—	—	—	– GBP	—	—	—	—	– GBP	– GBP	—	—	—	—
Finance income (cost)	14,100,000 GBP	—	—	—	—	—	—	—	—	—	14,100,000 GBP	– GBP	—	—	—	9,200,000 GBP	—	—	—	—	– GBP	9,200,000 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	32,800,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	17,500,000 GBP	—	—	—	—	—	—	—	—	—	—
Income tax relating to components of other comprehensive income [abstract]
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss	500,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	3,400,000 GBP	—	—	—	—	—	—	—	—	—	—
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income from continuing operations	6,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	105,600,000 GBP	—	—	—	—	—	—	—	—	—	—
Comprehensive income from discontinued operations	700,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1,100,000 GBP	—	—	—	—	—	—	—	—	—	—
Comprehensive income	12,500,000 GBP	6,700,000 GBP	– GBP	– GBP	5,800,000 GBP	35,300,000 GBP	– GBP	29,900,000 GBP	– GBP	– GBP	—	—	1,300,000 GBP	– GBP	– GBP	116,200,000 GBP	90,100,000 GBP	9,500,000 GBP	100,000 GBP	– GBP	—	—	– GBP	106,700,000 GBP	– GBP	16,700,000 GBP
Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract]
Comprehensive income, attributable to owners of parent	6,700,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	106,700,000 GBP	—	—	—	—	—	—	—	—	—	—
Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract]
Comprehensive income, attributable to non-controlling interests	5,800,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	9,500,000 GBP	—	—	—	—	—	—	—	—	—	—