Document and Entity Information
Aug. 12, 2019
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Aug. 12, 2019
Entity Registrant Name Ventas, Inc.
Entity Incorporation, State or Country Code DE
Entity File Number 001-10989
Entity Tax Identification Number 61-1055020
Entity Address, Address Line One 353 N. Clark Street
Entity Address, Address Line Two Suite 3300
Entity Address, City or Town Chicago
Entity Address, State or Province IL
Entity Address, Postal Zip Code 60654
City Area Code 877
Local Phone Number 483-6827
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Entity Central Index Key 0000740260
Title of 12(b) Security Common stock, $0.25 par value
Trading Symbol VTR
Security Exchange Name NYSE