Statement Of Comprehensive Income [Abstract]

CMC Markets PLC - Filing #3480020

Concept	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31
Statement of comprehensive income [abstract]
Profit (loss)	— GBP	— GBP	71 ,998 GBP	— GBP	— GBP	71,998,000 GBP	— GBP	— GBP	— GBP	— GBP	— GBP	1 78 , 1 07 GBP	178 ,1 07 GBP	— GBP
Other comprehensive income [abstract]
Other comprehensive income	— GBP	— GBP	— GBP	618,000 GBP	— GBP	618,000 GBP	— GBP	2, 502 GBP	— GBP	— GBP	— GBP	— GBP	2,5 02 GBP	— GBP
Comprehensive income	—	—	—	—	—	72, 616 GBP	—	—	—	—	—	—	180,609,000 GBP	—