Statement Of Changes In Equity [Abstract]

Morgan Advanced Materials PLC - Filing #2015238

Concept	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	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 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	As at 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	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	As at 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	As at 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	398,600,000 GBP	—	—	—	170,800,000 GBP	—	35,700,000 GBP	600,000 GBP	—	—	38,300,000 GBP	—	111,700,000 GBP	—	71,300,000 GBP	29,900,000 GBP	360,300,000 GBP	1,100,000 GBP	1,000,000 GBP	—	—	—	—	429,600,000 GBP	—	—	—	—	—	—	—	600,000 GBP	40,600,000 GBP	111,700,000 GBP	35,700,000 GBP	170,900,000 GBP	—	71,300,000 GBP	– GBP	—	—	389,000,000 GBP	1,000,000 GBP	—	200,000 GBP	—	—	109,100,000 GBP	35,700,000 GBP	600,000 GBP	349,600,000 GBP	100,000 GBP	1,000,000 GBP	310,600,000 GBP	39,000,000 GBP	16,700,000 GBP	71,300,000 GBP	111,700,000 GBP
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	56,300,000 GBP	—	47,300,000 GBP	– GBP	– GBP	—	9,000,000 GBP	—	—	47,300,000 GBP	– GBP	—	– GBP	—	– GBP	—	—	—	—	—	– GBP	76,900,000 GBP	20,600,000 GBP	– GBP	—	– GBP	– GBP	96,700,000 GBP	88,000,000 GBP	8,700,000 GBP	– GBP	– GBP	—	—	—	—	—	3,300,000 GBP	—	—	100,000,000 GBP	– GBP	—	—	88,000,000 GBP	—	– GBP	– GBP	—	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	43,800,000 GBP	—	40,600,000 GBP	– GBP	– GBP	—	3,200,000 GBP	—	—	12,000,000 GBP	– GBP	—	29,900,000 GBP	—	– GBP	—	—	—	—	—	– GBP	—	—	1,300,000 GBP	—	– GBP	– GBP	19,500,000 GBP	2,100,000 GBP	800,000 GBP	100,000 GBP	– GBP	—	—	—	—	—	—	—	—	—	– GBP	—	—	18,700,000 GBP	—	– GBP	16,700,000 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	—	—	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	42,300,000 GBP	—	34,200,000 GBP	– GBP	– GBP	—	8,100,000 GBP	—	—	34,200,000 GBP	– GBP	—	– GBP	—	– GBP	—	—	—	—	—	– GBP	—	—	– GBP	—	– GBP	– GBP	39,500,000 GBP	31,600,000 GBP	7,900,000 GBP	– GBP	– GBP	—	—	—	—	—	—	—	—	—	– GBP	—	—	31,600,000 GBP	—	– GBP	– GBP	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	2,900,000 GBP	—	2,900,000 GBP	– GBP	– GBP	—	– GBP	—	—	2,900,000 GBP	– GBP	—	– GBP	—	– GBP	—	—	—	—	—	– GBP	—	—	– GBP	—	– GBP	– GBP	5,700,000 GBP	5,700,000 GBP	– GBP	– GBP	– GBP	—	—	—	—	—	—	—	—	—	– GBP	—	—	5,700,000 GBP	—	– GBP	– GBP	—	—	—	—	—	—	—	—	—	—	—