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Cover Page - USD ($)
$ in Billions
12 Months Ended
Dec. 31, 2024
Jan. 15, 2025
Jun. 30, 2024
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2024    
Current Fiscal Year End Date --12-31    
Entity File Number 1-12993    
Entity Registrant Name ALEXANDRIA REAL ESTATE EQUITIES, INC.    
Entity Incorporation, State or Country Code MD    
Entity Tax Identification Number 95-4502084    
Entity Address, Address Line One 26 North Euclid Avenue    
Entity Address, City or Town Pasadena    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 91101    
City Area Code 626    
Local Phone Number 578-0777    
Title of 12(b) Security Common Stock, $0.01 par value per share    
Trading Symbol ARE    
Security Exchange Name NYSE    
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    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction false    
Entity Shell Company false    
Entity Public Float     $ 20.3
Entity Common Stock, Shares Outstanding   173,091,762  
Documents Incorporated by Reference Documents Incorporated by Reference
Part III of this annual report on Form 10-K incorporates certain information by reference from the registrant’s definitive proxy statement to be filed within 120
days of the end of the fiscal year covered by this annual report on Form 10-K in connection with the registrant’s annual meeting of stockholders to be held on or
about May 13, 2025.
   
Entity Central Index Key 0001035443    
Amendment Flag false    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
Document Transition Report false