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Document And Entity Information - USD ($)
shares in Millions, $ in Billions
 12 Months Ended
Dec. 31, 2023
Feb. 14, 2024
Jun. 30, 2023
Cover [Abstract]      
Document Type 10-K    
Document Period End Date Dec. 31, 2023    
Document Annual Report true    
Document Transition Report false    
Document Fiscal Year Focus 2023    
Document Fiscal Period Focus FY    
Current Fiscal Year End Date --12-31    
Amendment Flag false    
Entity Registrant Name DEVON ENERGY CORP/DE    
Entity Central Index Key 0001090012    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Voluntary Filers No    
Entity Well-known Seasoned Issuer Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity File Number 001-32318    
Entity Tax Identification Number 73-1567067    
Entity Incorporation, State or Country Code DE    
Entity Address, Address Line One 333 West Sheridan Avenue    
Entity Address, City or Town Oklahoma City    
Entity Address, State or Province OK    
Entity Address, Postal Zip Code 73102-5015    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction Flag false    
City Area Code 405    
Local Phone Number 235-3611    
Title of 12(b) Security Common stock, par value $0.10 per share    
Trading Symbol DVN    
Security Exchange Name NYSE    
Documents Incorporated by Reference

Portions of Registrant’s definitive Proxy Statement relating to Registrant’s 2024 annual meeting of stockholders have been incorporated by reference in Part III of this Annual Report on Form 10-K.

    
Auditor Name KPMG LLP    
Auditor Location Oklahoma City, Oklahoma    
Auditor Firm ID 185    
Entity Public Float     $ 30.8
Entity Common Stock, Shares Outstanding   635