v3.26.1
Cover - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Apr. 28, 2026
Jun. 30, 2025
Document Type 10-K    
Amendment Flag false    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 31, 2025    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2025    
Current Fiscal Year End Date --12-31    
Entity File Number 001-38914    
Entity Registrant Name Celularity Inc.    
Entity Central Index Key 0001752828    
Entity Tax Identification Number 83-1702591    
Entity Incorporation, State or Country Code DE    
Entity Address, Address Line One 170 Park Ave    
Entity Address, City or Town Florham Park    
Entity Address, State or Province NJ    
Entity Address, Postal Zip Code 07932    
City Area Code (908)    
Local Phone Number 768-2170    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Public Float     $ 28.4
Entity Common Stock, Shares Outstanding   28,945,961  
Documents Incorporated by Reference [Text Block] None    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Auditor Firm ID 274    
Auditor Opinion [Text Block] We have audited the accompanying consolidated balance sheets of Celularity Inc. (the “Company”) as of December 31, 2025 and 2024, and the related consolidated statements of operations and comprehensive loss, stockholders’ (deficit) equity, and cash flows for each of the years then ended and the related notes (collectively referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the consolidated financial position of the Company as of December 31, 2025 and 2024, and the consolidated results of its operations and its cash flows for each the years then ended in conformity with accounting principles generally accepted in the United States of America.    
Auditor Name EisnerAmper LLP    
Auditor Location Iselin, New Jersey    
Class A common stock, par value $0.0001 per share      
Title of 12(b) Security Class A common stock, par value $0.0001 per share    
Trading Symbol CELU    
Security Exchange Name NASDAQ    
Warrants, each exercisable for one share of Class A common stock at an exercise price of $115 per share      
Title of 12(b) Security Warrants, each exercisable for one share of Class A common stock at an exercise price of $115 per share    
Trading Symbol CELUW    
Security Exchange Name NASDAQ