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	489.8					437.1		437.1	52.7
Other comprehensive income/(loss)	(359.6)						(359.6)	(359.6)
Change in noncontrolling interests in consolidated entities, net	(43.8)								(43.8)
Dividends declared - preferred	(118.4)					(118.4)		(118.4)
Dividends declared - common	(164.7)					(164.7)		(164.7)
Common share-based compensation	57.1			57.1				57.1
Vested common shares				(182.7)	182.7
Other common share awards	0.8			0.8				0.8
Purchase of common shares	(234.4)				(234.4)			(234.4)
Ending balance at Jun. 30, 2022	15,794.8	4,010.5	113.2	7,563.2	(3,095.3)	7,323.2	(801.1)	15,113.7	681.1
Beginning balance at Dec. 31, 2021	510.8
Increase (Decrease) in Temporary Equity [Roll Forward]
Net income	(33.4)
Change in noncontrolling interests in consolidated entities, net	415.4
Ending balance at Jun. 30, 2022	892.8
Beginning 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
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	241.1					180.2		180.2	60.9
Other comprehensive income/(loss)	(292.6)						(292.6)	(292.6)
Change in noncontrolling interests in consolidated entities, net	(21.0)								(21.0)
Dividends declared - preferred	(59.2)					(59.2)		(59.2)
Dividends declared - common	(85.7)					(85.7)		(85.7)
Common share-based compensation	27.6			27.6				27.6
Vested common shares				(11.7)	11.7
Other common share awards	0.3			0.3				0.3
Purchase of common shares	(1.9)				(1.9)			(1.9)
Ending balance at Jun. 30, 2022	15,794.8	4,010.5	113.2	7,563.2	(3,095.3)	7,323.2	(801.1)	15,113.7	681.1
Beginning balance at Mar. 31, 2022	801.1
Increase (Decrease) in Temporary Equity [Roll Forward]
Net income	(22.2)
Change in noncontrolling interests in consolidated entities, net	113.9
Ending balance at Jun. 30, 2022	892.8
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	356.9					395.6		395.6	(38.7)
Other comprehensive income/(loss)	124.1						124.1	124.1
Change in noncontrolling interests in consolidated entities, net	(53.4)								(53.4)
Dividends declared - preferred	(118.4)					(118.4)		(118.4)
Dividends declared - common	(177.6)					(177.6)		(177.6)
Common share-based compensation	69.8			69.8				69.8
Vested common shares				(188.3)	188.3
Other common share awards	1.0			(3.4)	4.4			1.0
Purchase of common shares	(179.2)				(179.2)			(179.2)
Ending balance at Jun. 30, 2023	15,866.7	4,010.5	113.2	7,433.0	(3,027.4)	7,617.9	(818.3)	15,328.9	537.8
Beginning balance at Dec. 31, 2022	998.7
Increase (Decrease) in Temporary Equity [Roll Forward]
Net income	(26.7)
Change in noncontrolling interests in consolidated entities, net	(130.1)
Ending balance at Jun. 30, 2023	841.9
Beginning 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
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	177.5					191.4		191.4	(13.9)
Other comprehensive income/(loss)	64.6						64.6	64.6
Change in noncontrolling interests in consolidated entities, net	(35.5)								(35.5)
Dividends declared - preferred	(59.2)					(59.2)		(59.2)
Dividends declared - common	(91.9)					(91.9)		(91.9)
Common share-based compensation	32.0			32.0				32.0
Vested common shares				(7.7)	7.7
Other common share awards	0.5			(3.9)	4.4			0.5
Purchase of common shares	(151.5)				(151.5)			(151.5)
Ending balance at Jun. 30, 2023	15,866.7	$ 4,010.5	$ 113.2	$ 7,433.0	$ (3,027.4)	$ 7,617.9	$ (818.3)	$ 15,328.9	$ 537.8
Beginning balance at Mar. 31, 2023	879.6
Increase (Decrease) in Temporary Equity [Roll Forward]
Net income	(13.1)
Change in noncontrolling interests in consolidated entities, net	(24.6)
Ending balance at Jun. 30, 2023	$ 841.9