v3.25.2
Cover
 6 Months Ended
Jun. 30, 2025
shares
Cover [Abstract]  
Document Type 10-Q
Document Quarterly Report true
Document Period End Date Jun. 30, 2025
Document Transition Report false
Entity File Number 001-32395
Entity Registrant Name ConocoPhillips
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 01-0562944
Entity Address, Address Line One 925 N. Eldridge Parkway
Entity Address, City or Town Houston
Entity Address, State or Province TX
Entity Address, Postal Zip Code 77079
City Area Code 281
Local Phone Number 293-1000
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 1,248,942,311
Entity Central Index Key 0001163165
Current Fiscal Year End Date --12-31
Document Fiscal Year Focus 2025
Document Fiscal Period Focus Q2
Amendment Flag false
Common Stock  
Entity Listings [Line Items]  
Title of 12(b) Security Common Stock, $.01 Par Value
Trading Symbol COP
Security Exchange Name NYSE
7% Debentures due 2029  
Entity Listings [Line Items]  
Title of 12(b) Security 7% Debentures due 2029
Trading Symbol CUSIP—718507BK1
Security Exchange Name NYSE