Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 371.6	$ 120.0
Other comprehensive income/(loss), net of tax:
Currency translation differences on investments in foreign subsidiaries	0.8	(315.0)
Other comprehensive income/(loss), net	(4.0)	(3.2)
Other comprehensive income/(loss)	(3.2)	(318.2)
Total comprehensive income/(loss)	368.4	(198.2)
Comprehensive loss/(income) attributable to noncontrolling interests in consolidated entities	(44.6)	20.7
Dividends on preferred shares	(59.2)	(59.2)
Comprehensive income/(loss) attributable to Invesco Ltd.	$ 264.6	$ (236.7)