Statement Of Financial Position [Abstract]

CMC Markets PLC - Filing #3480021

Concept	As at 2022-03-31	As at 2022-03-31	As at 2022-03-31	As at 2022-03-31	As at 2022-03-31	As at 2022-03-31	As at 2022-03-31	As at 2021-03-31	As at 2021-03-31	As at 2021-03-31	As at 2021-03-31	As at 2021-03-31	As at 2021-03-31	As at 2021-03-31	As at 2020-03-31	As at 2020-03-31	As at 2020-03-31	As at 2020-03-31	As at 2020-03-31	As at 2020-03-31	As at 2020-03-31
Statement of financial position [abstract]
Assets [abstract]
Property, plant and equipment	—	—	—	—	—	24,94 1 GBP	—	—	—	—	—	26 ,1 0 5 GBP	—	—	—	—	—	—	—	—	—
Current tax assets	—	—	—	—	—	— GBP	—	—	—	—	—	1 , 74 9 GBP	—	—	—	—	—	—	—	—	—
Deferred tax assets	—	—	—	—	—	6,022,000 GBP	—	—	—	—	—	6 , 370 GBP	—	—	—	—	—	—	—	—	—
Cash and cash equivalents	—	—	—	—	—	176, 57 8 GBP	—	—	—	—	—	118 ,921 GBP	—	—	—	8 4 , 3 07 GBP	—	—	—	—	—
Assets	—	—	—	—	—	6 3 6 , 4 47 GBP	—	—	—	—	—	57 7, 6 3 4 GBP	—	—	—	—	—	—	—	—	—
Equity and liabilities [abstract]
Equity [abstract]
Issued capital	—	—	—	—	—	73 ,1 93 GBP	—	—	—	—	—	73 ,29 9 GBP	—	—	—	—	—	—	—	—	—
Retained earnings	—	—	—	—	—	3 2 7, 7 2 9 GBP	—	—	—	—	—	330,698,000 GBP	—	—	—	—	—	—	—	—	—
Share premium	—	—	—	—	—	4 6 , 236 GBP	—	—	—	—	—	46 , 236 GBP	—	—	—	—	—	—	—	—	—
Treasury shares	—	—	—	—	—	1,094,000 GBP	—	—	—	—	—	382,000 GBP	—	—	—	—	—	—	—	—	—
Other reserves	—	—	—	—	—	7 5,980 GBP	—	—	—	—	—	49, 3 3 4 GBP	—	—	—	—	—	—	—	—	—
Equity	281,000 GBP	1,094,000 GBP	73 ,1 93 GBP	46 , 23 6 GBP	3 2 7, 7 2 9 GBP	3 70,365 GBP	7 5,980 GBP	— GBP	382,000 GBP	330,698,000 GBP	49 , 3 3 4 GBP	4 0 0, 517 GBP	73, 299 GBP	4 6, 236 GBP	51,836,000 GBP	282 , 879 GBP	— GBP	43 3 GBP	4 6 , 23 6 GBP	72,8 99 GBP	2 1 6 , 013 GBP
Liabilities [abstract]
Current tax liabilities	—	—	—	—	—	429,000 GBP	—	—	—	—	—	— GBP	—	—	—	—	—	—	—	—	—
Deferred tax liabilities	—	—	—	—	—	3,30 9 GBP	—	—	—	—	—	1 ,62 2 GBP	—	—	—	—	—	—	—	—	—
Liabilities	—	—	—	—	—	266,082,000 GBP	—	—	—	—	—	177,117,000 GBP	—	—	—	—	—	—	—	—	—
Equity and liabilities	—	—	—	—	—	6 3 6 , 4 47 GBP	—	—	—	—	—	57 7, 6 3 4 GBP	—	—	—	—	—	—	—	—	—