Analysis Of Income And Expense [Abstract]

Jupiter Fund Management PLC - Filing #2010066

Concept	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31
Analysis of income and expense [abstract]
Revenue [abstract]
Revenue	—	—	405,600,000 GBP	—	—	—	—	—	—	—	—	—	443,500,000 GBP	—	—	—
Material income and expense [abstract]
Fee and commission income (expense) [abstract]
Fee and commission expense [abstract]
Fee and commission expense	—	—	36,800,000 GBP	—	—	—	—	—	—	—	—	—	46,200,000 GBP	—	—	—
Expenses by nature [abstract]
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract]
Depreciation and amortisation expense [abstract]
Amortisation expense	—	—	20,600,000 GBP	—	—	—	—	—	—	—	—	—	21,000,000 GBP	—	—	—
Disclosure of attribution of expenses by nature to their function [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of attribution of expenses by nature to their function [abstract]
Disclosure of attribution of expenses by nature to their function [line items]
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	– GBP	– GBP	14,600,000 GBP	– GBP	12,900,000 GBP	14,600,000 GBP	– GBP	1,700,000 GBP	– GBP	– GBP	50,700,000 GBP	– GBP	51,300,000 GBP	47,300,000 GBP	600,000 GBP	3,400,000 GBP