Cover Page	9 Months Ended
	Sep. 30, 2019 shares
Cover page.
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2019
Document Transition Report	false
Entity File Number	1-13908
Entity Registrant Name	Invesco Ltd.
Entity Incorporation, State or Country Code	D0
Entity Tax Identification Number	98-0557567
Entity Address, Address Line One	1555 Peachtree Street, N.E.,
Entity Address, Address Line Two	Suite 1800,
Entity Address, City or Town	Atlanta,
Entity Address, State or Province	GA
Entity Address, Postal Zip Code	30309
City Area Code	404
Local Phone Number	892-0896
Title of 12(b) Security	Common stock, $.20 par value
Trading Symbol	IVZ
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding	453,893,875
Entity Central Index Key	0000914208
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q3
Amendment Flag	false