Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
$ in Billions
12 Months Ended
Dec. 31, 2021
Feb. 18, 2022
Jun. 30, 2021
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2021    
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 Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
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    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Public Float     $ 10.8
Entity Units, Units Outstanding   484,027,123  
Documents Incorporated by Reference None    
Entity Central Index Key 0001383650    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2021    
Document Fiscal Period Focus FY