Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - shares
9 Months Ended
Sep. 30, 2020
Oct. 30, 2020
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2020  
Document Transition Report false  
Entity File Number 001-33366  
Entity Registrant Name Cheniere Energy Partners, L.P.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 20-5913059  
Entity Address, Address Line One 700 Milam Street  
Entity Address, Address Line Two Suite 1900  
Entity Address, City or Town Houston  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 77002  
City Area Code 713  
Local Phone Number 375-5000  
Title of 12(b) Security Common Units Representing Limited Partner Interests  
Trading Symbol CQP  
Security Exchange Name NYSEAMER  
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 Units, Units Outstanding   484,019,623
Entity Central Index Key 0001383650  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q3