Consolidated Statements of Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Operating revenues:
Total operating revenues	$ 5,314.1	$ 5,160.3	$ 4,734.4
Operating expenses:
Third-party distribution, service and advisory	1,608.2	1,486.5	1,407.2
Employee compensation	1,494.4	1,499.6	1,369.4
Marketing	134.8	121.8	114.8
Property, office and technology	410.5	364.6	327.2
General and administrative	324.4	306.9	294.4
Transaction, integration and restructuring	136.9	101.8	69.0
Total operating expenses	4,109.2	3,881.2	3,582.0
Operating income	1,204.9	1,279.1	1,152.4
Other income/(expense):
Equity in earnings of unconsolidated affiliates	33.8	44.7	9.3
Interest and dividend income	21.3	13.4	12.2
Interest expense	(111.5)	(94.8)	(93.4)
Other gains and losses, net	(40.0)	49.5	46.9
Other income/(expense) of CIP, net	29.6	137.3	79.2
Income before income taxes	1,138.1	1,429.2	1,206.6
Income tax provision	(255.0)	(268.2)	(338.3)
Net income	883.1	1,161.0	868.3
Net (income)/loss attributable to noncontrolling interests in consolidated entities	(0.3)	(33.7)	(14.1)
Net income attributable to Invesco Ltd.	$ 882.8	$ 1,127.3	$ 854.2
Earnings per share:
Basic (usd per share)	$ 2.14	$ 2.75	$ 2.06
Diluted (usd per share)	$ 2.14	$ 2.75	$ 2.06
Investment management fees
Operating revenues:
Total operating revenues	$ 4,082.3	$ 4,126.6	$ 3,773.1
Service and distribution fees
Operating revenues:
Total operating revenues	968.5	852.8	823.6
Performance fees
Operating revenues:
Total operating revenues	56.9	113.3	44.3
Other
Operating revenues:
Total operating revenues	$ 206.4	$ 67.6	$ 93.4