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Cover Page - USD ($)
 12 Months Ended
Dec. 31, 2022
Jan. 31, 2023
Jun. 30, 2022
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2022    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-37817    
Entity Registrant Name CONDUENT INC    
Entity Incorporation, State or Country Code NY    
Entity Tax Identification Number 81-2983623    
Entity Address, Address Line One 100 Campus Drive,    
Entity Address, Address Line Two Suite 200,    
Entity Address, City or Town Florham Park,    
Entity Address, State or Province NJ    
Entity Address, Postal Zip Code 07932    
City Area Code 844    
Local Phone Number 663-2638    
Title of 12(b) Security Common Stock, $0.01 par value    
Trading Symbol CNDT    
Security Exchange Name NASDAQ    
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    
Entity Shell Company false    
Entity Public Float     $ 921,960,822
Entity Common Stock, Shares Outstanding (in shares)   218,404,494  
Documents Incorporated by Reference [Text Block] Part III of this Form 10-K incorporates by reference certain portions of the Registrant's Notice of 2023 Annual Meeting of Shareholders and Proxy Statement (to be filed with the Securities and Exchange Commission pursuant to Regulation 14A no later than 120 days after the close of the fiscal year covered by this report on Form 10-K).    
Entity Central Index Key 0001677703    
Document Fiscal Year Focus 2022    
Document Fiscal Period Focus FY    
Amendment Flag false