v3.26.1
Document And Entity Information - shares
shares in Billions
 6 Months Ended
Jun. 30, 2026
Jul. 22, 2026
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Jun. 30, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Current Fiscal Year End Date --12-31  
Entity Registrant Name DEVON ENERGY CORP/DE  
Entity Central Index Key 0001090012  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
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 Three Memorial City Plaza  
Entity Address, Address Line Two 840 Gessner Road  
Entity Address, Address Line Three Suite 1400  
Entity Address, City or Town Houston  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 77024  
City Area Code 281  
Local Phone Number 589-4600  
Title of 12(b) Security Common Stock, par value $0.10 per share  
Trading Symbol DVN  
Security Exchange Name NYSE  
Entity Common Stock, Shares Outstanding   1.1
Former Address [Member]    
Document Information [Line Items]    
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