Statement Of Comprehensive Income [Abstract]

Close Brothers Group PLC - Filing #3479184

Concept	2021-08-01 to 2022-07-31	2021-08-01 to 2022-07-31	2021-08-01 to 2022-07-31	2021-08-01 to 2022-07-31	2021-08-01 to 2022-07-31	2021-08-01 to 2022-07-31	2021-08-01 to 2022-07-31	2021-08-01 to 2022-07-31	2021-08-01 to 2022-07-31	2020-08-01 to 2021-07-31	2020-08-01 to 2021-07-31	2020-08-01 to 2021-07-31	2020-08-01 to 2021-07-31	2020-08-01 to 2021-07-31	2020-08-01 to 2021-07-31	2020-08-01 to 2021-07-31	2020-08-01 to 2021-07-31	2020-08-01 to 2021-07-31
Statement of comprehensive income [abstract]
Profit (loss)	– GBP	– GBP	165,200,000 GBP	– GBP	165,200,000 GBP	– GBP	– GBP	– GBP	165,200,000 GBP	202,100,000 GBP	202,100,000 GBP	– GBP	202,100,000 GBP	– GBP	– GBP	– GBP	– GBP	– GBP
Other comprehensive income [abstract]
Other comprehensive income that will not be reclassified to profit or loss, net of tax	—	—	200,000 GBP	—	—	—	—	—	—	100,000 GBP	—	—	—	—	—	—	—	—
Other comprehensive income that will be reclassified to profit or loss, net of tax	—	—	21,100,000 GBP	—	—	—	—	—	—	6,000,000 GBP	—	—	—	—	—	—	—	—
Other comprehensive income	700,000 GBP	– GBP	21,300,000 GBP	– GBP	200,000 GBP	22,000,000 GBP	– GBP	200,000 GBP	21,300,000 GBP	5,900,000 GBP	5,900,000 GBP	– GBP	100,000 GBP	– GBP	– GBP	– GBP	600,000 GBP	5,400,000 GBP
Comprehensive income	700,000 GBP	– GBP	186,500,000 GBP	– GBP	165,400,000 GBP	22,000,000 GBP	– GBP	200,000 GBP	186,500,000 GBP	208,000,000 GBP	208,000,000 GBP	– GBP	202,000,000 GBP	– GBP	– GBP	– GBP	600,000 GBP	5,400,000 GBP
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	—	186,500,000 GBP	—	—	—	—	—	—	208,000,000 GBP	—	—	—	—	—	—	—	—