Condensed Consolidated Statements of Changes in Equity (Unaudited) - USD ($) $ in Millions	Total	Preferred Shares	Common Shares	Additional Paid-in-Capital	Treasury Shares	Retained Earnings	Accumulated Other Comprehensive Income/(Loss)	Total Equity Attributable to Invesco Ltd.	Nonredeemable Noncontrolling Interests in Consolidated Entities
Beginning balance at Dec. 31, 2021	$ 16,168.0	$ 4,010.5	$ 113.2	$ 7,688.0	$ (3,043.6)	$ 7,169.2	$ (441.5)	$ 15,495.8	$ 672.2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	248.7					256.9		256.9	(8.2)
Other comprehensive income/(loss)	(67.0)						(67.0)	(67.0)
Change in noncontrolling interests in consolidated entities, net	(22.8)								(22.8)
Dividends declared - preferred	(59.2)					(59.2)		(59.2)
Dividends declared - common	(79.0)					(79.0)		(79.0)
Common share-based compensation	29.5			29.5				29.5
Vested common shares				(171.0)	171.0
Other common share awards	0.5			0.5	0.0			0.5
Purchase of common shares	(232.5)				(232.5)			(232.5)
Ending balance at Mar. 31, 2022	15,986.2	4,010.5	113.2	7,547.0	(3,105.1)	7,287.9	(508.5)	15,345.0	641.2
Beginning balance at Dec. 31, 2021	510.8
Increase (Decrease) in Temporary Equity [Roll Forward]
Net income	(11.2)
Change in noncontrolling interests in consolidated entities, net	301.5
Ending balance at Mar. 31, 2022	801.1
Beginning balance at Dec. 31, 2022	15,843.5	4,010.5	113.2	7,554.9	(3,040.9)	7,518.3	(942.4)	15,213.6	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				(180.6)	180.6
Other common share awards	0.5			0.5				0.5
Purchase of common shares	(27.7)				(27.7)			(27.7)
Ending balance at Mar. 31, 2023	15,930.2	$ 4,010.5	$ 113.2	$ 7,412.6	$ (2,888.0)	$ 7,577.6	$ (882.9)	$ 15,343.0	$ 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