Statement Of Financial Position [Abstract]

Close Brothers Group PLC - Filing #2522031

Concept	As at 2024-07-31	As at 2024-07-31	As at 2024-07-31	As at 2024-07-31	As at 2024-07-31	As at 2024-07-31	As at 2024-07-31	As at 2024-07-31	As at 2024-07-31	As at 2023-07-31	As at 2023-07-31	As at 2023-07-31	As at 2023-07-31	As at 2023-07-31	As at 2023-07-31	As at 2023-07-31	As at 2023-07-31	As at 2023-07-31	As at 2022-07-31	As at 2022-07-31	As at 2022-07-31	As at 2022-07-31	As at 2022-07-31	As at 2022-07-31	As at 2022-07-31	As at 2022-07-31	As at 2022-07-31
Statement of financial position [abstract]
Assets [abstract]
Property, plant and equipment	—	—	—	—	—	—	—	—	349,600,000 GBP	—	—	—	—	—	—	—	—	357,100,000 GBP	—	—	—	—	—	—	—	—	—
Current tax assets	—	—	—	—	—	—	—	—	36,400,000 GBP	—	—	—	—	—	—	—	—	42,300,000 GBP	—	—	—	—	—	—	—	—	—
Deferred tax assets	—	—	—	—	—	—	—	—	14,300,000 GBP	—	—	—	—	—	—	—	—	10,800,000 GBP	—	—	—	—	—	—	—	—	—
Cash and cash equivalents	—	—	—	—	—	—	—	—	1,844,500,000 GBP	—	—	—	—	—	—	—	—	2,209,300,000 GBP	—	—	1,383,000,000 GBP	—	—	—	—	—	—
Assets	—	—	—	—	—	—	—	—	14,080,800,000 GBP	—	—	—	—	—	—	—	—	13,550,300,000 GBP	—	—	—	—	—	—	—	—	—
Equity and liabilities [abstract]
Equity [abstract]
Issued capital	—	—	—	—	—	—	—	—	38,000,000 GBP	—	—	—	—	—	—	—	—	38,000,000 GBP	—	—	—	—	—	—	—	—	—
Retained earnings	—	—	—	—	—	—	—	—	1,634,400,000 GBP	—	—	—	—	—	—	—	—	1,608,500,000 GBP	—	—	—	—	—	—	—	—	—
Other equity interest	—	—	—	—	—	—	—	—	197,600,000 GBP	—	—	—	—	—	—	—	—	— GBP	—	—	—	—	—	—	—	—	—
Other reserves	—	—	—	—	—	—	—	—	27,500,000 GBP	—	—	—	—	—	—	—	—	1,600,000 GBP	—	—	—	—	—	—	—	—	—
Equity attributable to owners of parent	—	—	—	—	—	—	—	—	1,842,500,000 GBP	—	—	—	—	—	—	—	—	1,644,900,000 GBP	—	—	—	—	—	—	—	—	—
Equity	38,000,000 GBP	1,634,400,000 GBP	1,842,500,000 GBP	33,800,000 GBP	5,300,000 GBP	13,000,000 GBP	1,400,000 GBP	197. 6 GBP	1,842,500,000 GBP	38,000,000 GBP	1,608,500,000 GBP	2,700,000 GBP	— GBP	1,300,000 GBP	32,000,000 GBP	1,644,900,000 GBP	34,400,000 GBP	1,644,900,000 GBP	38,000,000 GBP	1,628,400,000 GBP	1,657,500,000 GBP	— GBP	29,200,000 GBP	100,000 GBP	1,500,000 GBP	1,657,500,000 GBP	21,700,000 GBP
Liabilities [abstract]
Liabilities	—	—	—	—	—	—	—	—	12,238,300,000 GBP	—	—	—	—	—	—	—	—	11,905,400,000 GBP	—	—	—	—	—	—	—	—	—
Equity and liabilities	—	—	—	—	—	—	—	—	14,080,800,000 GBP	—	—	—	—	—	—	—	—	13,550,300,000 GBP	—	—	—	—	—	—	—	—	—