v3.26.1
Cover Page - USD ($)
 12 Months Ended
Dec. 31, 2025
Mar. 20, 2026
Jun. 30, 2025
Document Information [Line Items]      
Document Type 10-K    
Amendment Flag false    
Document Annual Report true    
Document Transition Report false    
Entity Registrant Name Infleqtion, Inc.    
Entity Central Index Key 0002007825    
Entity File Number 001-42646    
Document Period End Date Dec. 31, 2025    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Current Fiscal Year End Date --12-31    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 86-1946291    
Entity Address, Address Line One 1315 West Century Drive    
Entity Address, Address Line Two Suite 150    
Entity Address, City or Town Louisville    
Entity Address, State or Province CO    
Entity Address, Postal Zip Code 80027    
City Area Code 303    
Local Phone Number 440-1284    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company true    
Entity Ex Transition Period false    
Entity Shell Company false    
Entity Common Stock, Shares Outstanding   216,471,927  
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Document Financial Statement Error Correction [Flag] false    
Entity Public Float     $ 426,448,980
Auditor Name WithumSmith    
Auditor Location New York    
Auditor Firm ID 100    
Common Stock [Member]      
Document Information [Line Items]      
Title of 12(b) Security Common Stock, par value $0.0001 per share    
Trading Symbol INFQ    
Security Exchange Name NYSE    
Warrant [Member]      
Document Information [Line Items]      
Title of 12(b) Security Warrants, each whole warrant exercisable for one share of Common Stock at an exercise price of $11.50 per share    
Trading Symbol INFQ WS    
Security Exchange Name NYSE