Condensed Consolidated Statements of Changes in Equity (Unaudited) - USD ($) $ in Millions	Total	Total Equity Attributable to Invesco Ltd.	Preferred Shares	Common Shares	Additional Paid-in-Capital	Treasury Shares	Retained Earnings	Accumulated Other Comprehensive Income/(Loss)	Nonredeemable Noncontrolling Interests in Consolidated Entities
Beginning balance at Dec. 31, 2022	$ 15,843.5	$ 15,213.6	$ 4,010.5	$ 113.2	$ 7,554.9	$ (3,040.9)	$ 7,518.3	$ (942.4)	$ 629.9
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	179.4	204.2					204.2		(24.8)
Other comprehensive income/(loss)	59.5	59.5						59.5
Change in noncontrolling interests in consolidated entities, net	(17.9)								(17.9)
Dividends declared - preferred	(59.2)	(59.2)					(59.2)
Dividends declared - common	(85.7)	(85.7)					(85.7)
Common share-based compensation	37.8	37.8			37.8
Vested common shares	0.0	0.0			(180.6)	180.6
Other common share awards	0.5	0.5			0.5	0.0
Purchase of common shares	(27.7)	(27.7)				(27.7)
Ending balance at Mar. 31, 2023	15,930.2	15,343.0	4,010.5	113.2	7,412.6	(2,888.0)	7,577.6	(882.9)	587.2
Beginning balance at Dec. 31, 2022	998.7
Increase (Decrease) in Temporary Equity [Roll Forward]
Net income	(13.6)
Change in noncontrolling interests in consolidated entities, net	(105.5)
Ending balance at Mar. 31, 2023	879.6
Beginning balance at Dec. 31, 2023	15,170.3	14,597.6	4,010.5	113.2	7,451.6	(3,002.6)	6,826.7	(801.8)	572.7
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	238.6	200.7					200.7		37.9
Other comprehensive income/(loss)	(95.3)	(95.3)						(95.3)
Change in noncontrolling interests in consolidated entities, net	19.6								19.6
Dividends declared - preferred	(59.2)	(59.2)					(59.2)
Dividends declared - common	(90.2)	(90.2)					(90.2)
Common share-based compensation	21.1	21.1			21.1
Vested common shares	0.0	0.0			(158.4)	158.4
Other common share awards	0.5	0.5			0.3	0.2
Purchase of common shares	(20.4)	(20.4)				(20.4)
Ending balance at Mar. 31, 2024	15,185.0	$ 14,554.8	$ 4,010.5	$ 113.2	$ 7,314.6	$ (2,864.4)	$ 6,878.0	$ (897.1)	$ 630.2
Beginning balance at Dec. 31, 2023	745.7
Increase (Decrease) in Temporary Equity [Roll Forward]
Net income	(24.4)
Change in noncontrolling interests in consolidated entities, net	(53.5)
Ending balance at Mar. 31, 2024	$ 667.8