Statement Of Comprehensive Income [Abstract]

Close Brothers Group PLC - Filing #2522031

Concept	2023-08-01 to 2024-07-31	2023-08-01 to 2024-07-31	2023-08-01 to 2024-07-31	2023-08-01 to 2024-07-31	2023-08-01 to 2024-07-31	2023-08-01 to 2024-07-31	2023-08-01 to 2024-07-31	2023-08-01 to 2024-07-31	2023-08-01 to 2024-07-31	2022-08-01 to 2023-07-31	2022-08-01 to 2023-07-31	2022-08-01 to 2023-07-31	2022-08-01 to 2023-07-31	2022-08-01 to 2023-07-31	2022-08-01 to 2023-07-31	2022-08-01 to 2023-07-31	2022-08-01 to 2023-07-31	2022-08-01 to 2023-07-31
Statement of comprehensive income [abstract]
Profit (loss)	100,400,000 GBP	— GBP	— GBP	— GBP	100,400,000 GBP	— GBP	100,400,000 GBP	— GBP	— GBP	— GBP	81,100,000 GBP	— GBP	81,100,000 GBP	— GBP	— GBP	— GBP	81,100,000 GBP	— GBP
Other comprehensive income [abstract]
Other comprehensive income that will not be reclassified to profit or loss, net of tax	— GBP	—	—	—	—	—	—	—	—	—	4,100,000 GBP	—	—	—	—	—	—	—
Other comprehensive income that will be reclassified to profit or loss, net of tax	24,100,000 GBP	—	—	—	—	—	—	—	—	—	10,100,000 GBP	—	—	—	—	—	—	—
Other comprehensive income	24,100,000 GBP	21. 4 GBP	100,000 GBP	— GBP	— GBP	— GBP	24,100,000 GBP	— GBP	2,600,000 GBP	— GBP	6,000,000 GBP	— GBP	4,100,000 GBP	2,800,000 GBP	— GBP	200,000 GBP	6,000,000 GBP	12,700,000 GBP
Comprehensive income	76,300,000 GBP	21,400,000 GBP	100,000 GBP	— GBP	100,400,000 GBP	— GBP	76,300,000 GBP	— GBP	2,600,000 GBP	— GBP	87,100,000 GBP	— GBP	77,000,000 GBP	2,800,000 GBP	— GBP	200,000 GBP	87,100,000 GBP	12,700,000 GBP
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	65,200,000 GBP	—	—	—	—	—	—	—	—	—	87,100,000 GBP	—	—	—	—	—	—	—