Statement Of Changes In Equity [Abstract]

Jupiter Fund Management PLC - Filing #1870826

Concept	As at 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	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	843,900,000 GBP	—	—	—	—	—	—	250,300,000 GBP	600,000 GBP	578,900,000 GBP	500,000 GBP	10,900,000 GBP	3,700,000 GBP	843,300,000 GBP	—	—	—	400,000 GBP	639,700,000 GBP	250,100,000 GBP	—	—	—	900,800,000 GBP	—	900,800,000 GBP	—	300,000 GBP	11,100,000 GBP	– GBP	—	—	622,500,000 GBP	200,000 GBP	886,300,000 GBP	11,100,000 GBP	200,000 GBP	2,800,000 GBP	250,100,000 GBP	886,100,000 GBP
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	– GBP	– GBP	– GBP	47,900,000 GBP	47,300,000 GBP	600,000 GBP	—	—	—	—	—	—	—	47,300,000 GBP	– GBP	200,000 GBP	—	—	—	– GBP	– GBP	149,400,000 GBP	—	– GBP	—	– GBP	—	—	—	149,600,000 GBP	149,400,000 GBP	—	—	—	—	—	—	—	—
Other comprehensive income	—	– GBP	– GBP	– GBP	3,400,000 GBP	– GBP	– GBP	—	—	—	—	—	—	—	3,400,000 GBP	3,400,000 GBP	– GBP	—	—	—	– GBP	– GBP	2,500,000 GBP	—	2,500,000 GBP	—	– GBP	—	—	—	2,500,000 GBP	– GBP	—	—	—	—	—	—	—	—
Comprehensive income	—	– GBP	– GBP	– GBP	51,300,000 GBP	47,300,000 GBP	600,000 GBP	—	—	—	—	—	—	—	50,700,000 GBP	3,400,000 GBP	200,000 GBP	—	—	—	– GBP	– GBP	146,900,000 GBP	—	2,500,000 GBP	—	– GBP	—	—	—	147,100,000 GBP	149,400,000 GBP	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	—	– GBP	– GBP	– GBP	90,200,000 GBP	90,200,000 GBP	– GBP	—	—	—	—	—	—	—	90,200,000 GBP	– GBP	– GBP	—	—	—	– GBP	– GBP	109,800,000 GBP	—	– GBP	—	– GBP	—	—	—	109,800,000 GBP	109,800,000 GBP	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	– GBP	– GBP	– GBP	13,600,000 GBP	13,600,000 GBP	– GBP	—	—	—	—	—	—	—	13,600,000 GBP	– GBP	– GBP	—	—	—	– GBP	– GBP	25,500,000 GBP	—	– GBP	—	– GBP	—	—	—	25,500,000 GBP	25,500,000 GBP	—	—	—	—	—	—	—	—