Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 545.6	$ 294.7	$ 1,412.3	$ 476.7
Other comprehensive income/(loss), net of tax:
Currency translation differences on investments in foreign subsidiaries	(108.7)	167.4	(73.0)	(61.4)
Other comprehensive income/(loss), net	1.2	0.7	0.2	0.8
Other comprehensive income/(loss)	(107.5)	168.1	(72.8)	(60.6)
Total comprehensive income/(loss)	438.1	462.8	1,339.5	416.1
Comprehensive loss/(income) attributable to noncontrolling interests in consolidated entities	(156.3)	(43.8)	(268.5)	14.6
Dividends on preferred shares	(59.2)	(59.2)	(177.6)	(177.6)
Comprehensive income/(loss) attributable to Invesco Ltd.	$ 222.6	$ 359.8	$ 893.4	$ 253.1