CONSOLIDATED INVESTMENT PRODUCTS - Income Line Items Reflecting Impact of Investment Products into the Statements of Income (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Variable Interest Entity [Line Items]
Operating income/(loss)	$ (434.8)	$ 1,317.7	$ 1,788.2
Net (income)/loss attributable to noncontrolling interests in consolidated entities	(71.3)	4.8	339.6
Net income/(loss) attributable to Invesco Ltd.	333.7	(683.9)	(1,393.0)
Consolidated VIEs
Variable Interest Entity [Line Items]
Operating income/(loss)	(84.8)	(65.7)	(67.7)
Other income/(expense)	13.5	70.5	407.3
Net (income)/loss attributable to noncontrolling interests in consolidated entities	71.3	(4.8)	(339.6)
Net income/(loss) attributable to Invesco Ltd.	$ 0.0	$ 0.0	$ 0.0