v3.26.1
Cover
12 Months Ended
Jun. 10, 2026
Dec. 31, 2025
Cover [Abstract]    
Document Type 8-K  
Document Period End Date Jun. 10, 2026  
Entity Registrant Name CLEAR SECURE, INC.  
Entity Incorporation, State or Country Code DE  
Entity File Number 001-40568  
Entity Tax Identification Number 86-2643981  
Entity Address, Address Line One 85 10th Avenue  
Entity Address, Address Line Two 9th Floor  
Entity Address, City or Town New York  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 10011  
City Area Code 646  
Local Phone Number 723-1404  
Written Communications false  
Soliciting Material false  
Pre-commencement Tender Offer false  
Pre-commencement Issuer Tender Offer false  
Title of 12(b) Security Class A common stock, par value $0.00001 per share  
Trading Symbol YOU  
Security Exchange Name NYSE  
Entity Emerging Growth Company false  
Entity Central Index Key 0001856314  
Amendment Flag false  
Current Fiscal Year End Date   --12-31