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Cover - USD ($)
shares in Millions, $ in Billions
 12 Months Ended
Dec. 31, 2025
Feb. 13, 2026
Jun. 30, 2025
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2025    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-40275    
Entity Registrant Name COURSERA, INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 45-3560292    
Entity Address, Address Line One 2440 West El Camino Real, Suite 500    
Entity Address, City or Town Mountain View    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 94040    
City Area Code 650    
Local Phone Number 963-9884    
Title of 12(b) Security Common Stock, $0.00001 par value per share    
Trading Symbol COUR    
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     $ 1.2
Entity Common Stock, Shares Outstanding   168.2  
Documents Incorporated by Reference
Portions of the registrant’s definitive Proxy Statement relating to the 2026 Annual Meeting of Stockholders are incorporated herein by references in Part III of this Annual Report on Form 10-K to the extent stated herein. Such Proxy Statement will be filed with the Securities and Exchange Commission within 120 days of the registrant’s fiscal year ended December 31, 2025.
    
Entity Central Index Key 0001651562    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Amendment Flag false