v3.26.1
Cover Page - USD ($)
$ in Billions
 12 Months Ended
Jan. 31, 2026
Mar. 30, 2026
Document Information [Line Items]    
Document Type 10-K  
Document Annual Report true  
Document Period End Date Jan. 31, 2026  
Current Fiscal Year End Date --01-31  
Document Transition Report false  
Entity File Number 001-42922  
Registrant Name NAVAN, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 47-3424780  
Entity Address, Address Line One 3045 Park Boulevard  
Entity Address, City or Town Palo Alto  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 94306  
City Area Code 888  
Local Phone Number 505-8747  
Title of 12(b) Security Class A Common Stock, par value $0.00000625 per share  
Trading Symbol NAVN  
Security Exchange Name NASDAQ  
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 false  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
ICFR Auditor Attestation Flag true  
Document Financial Statement Error Correction [Flag] false  
Entity Shell Company false  
Entity Public Float   $ 1.4
Documents Incorporated by Reference
DOCUMENTS INCORPORATED BY REFERENCE
Portions of the registrant’s definitive proxy statement relating to the registrant’s 2026 Annual Meeting of Stockholders, which will be filed with the Securities and Exchange Commission within 120 days after the end of the fiscal year ended January 31, 2026, are incorporated by reference into Part III of this Annual Report on Form 10-K where indicated.
  
Amendment Flag false  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus FY  
Central Index Key 0001639723  
Class A common stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   235,456,318
Class B common stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   15,304,696