XML 20 R1.htm IDEA: XBRL DOCUMENT v3.24.0.1
Cover Page - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Feb. 09, 2024
Jun. 30, 2023
Entity Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2023    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 1-8923    
Entity Registrant Name WELLTOWER INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 34-1096634    
Entity Address, Address Line One 4500 Dorr Street,    
Entity Address, City or Town Toledo,    
Entity Address, State or Province OH    
Entity Address, Postal Zip Code 43615    
City Area Code 419    
Local Phone Number 247-2800    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
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    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction [Flag] false    
Entity Public Float     $ 41,131,361
Entity Common Stock, Shares Outstanding   568,878,059  
Documents Incorporated by Reference
Portions of the registrant’s definitive proxy statement for the annual stockholders’ meeting to be held May 23, 2024, are incorporated by reference into Part III.
    
Entity Central Index Key 0000766704    
Amendment Flag false    
Document Fiscal Year Focus 2023    
Document Fiscal Period Focus FY    
Common Stock, $1.00 par value      
Entity Information [Line Items]      
Title of 12(b) Security Common Stock, $1.00 par value    
Trading Symbol WELL    
Security Exchange Name NYSE    
Guarantee of 4.800% Notes due 2028 issued by Welltower OP LLC      
Entity Information [Line Items]      
Title of 12(b) Security Guarantee of 4.800% Notes due 2028 issued by Welltower OP LLC    
Trading Symbol WELL/28    
Security Exchange Name NYSE    
Guarantee of 4.500% Notes due 2034 issued by Welltower OP LLC      
Entity Information [Line Items]      
Title of 12(b) Security Guarantee of 4.500% Notes due 2034 issued by Welltower OP LLC    
Trading Symbol WELL/34    
Security Exchange Name NYSE