Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 495.1	$ 62.0	$ 866.7	$ 182.0
Other comprehensive income/(loss), net of tax:
Currency translation differences on investments in foreign subsidiaries	34.9	86.2	35.7	(228.8)
Other comprehensive income/(loss), net	3.0	3.3	(1.0)	0.1
Other comprehensive income/(loss)	37.9	89.5	34.7	(228.7)
Total comprehensive income/(loss)	533.0	151.5	901.4	(46.7)
Comprehensive loss/(income) attributable to noncontrolling interests in consolidated entities	(67.6)	37.7	(112.2)	58.4
Dividends on preferred shares	(59.2)	(59.2)	(118.4)	(118.4)
Comprehensive income/(loss) attributable to Invesco Ltd.	$ 406.2	$ 130.0	$ 670.8	$ (106.7)