v3.26.1
Cover - shares
6 Months Ended
Jun. 30, 2026
Aug. 05, 2026
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2026  
Document Transition Report false  
Entity File Number 001-41870  
Registrant Name Diversified Energy Company  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 42-2283606  
Entity Address, Address Line One 1600 Corporate Drive  
Entity Address, City or Town Birmingham  
Entity Address, State or Province AL  
Entity Address, Postal Zip Code 35242  
City Area Code 205  
Local Phone Number 408-0909  
Title of 12(b) Security Common Stock, par value $0.01 per share  
Trading Symbol DEC  
Security Exchange Name NYSE  
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  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   70,769,563
Entity Central Index Key 0001922446  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Amendment Flag false  
Current Fiscal Year End Date --12-31