Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

v3.8.0.1
Document and Entity Information - USD ($)
$ in Billions
12 Months Ended
Dec. 31, 2017
Feb. 15, 2018
Jun. 30, 2017
Entity Information [Line Items]      
Entity Registrant Name Cheniere Energy Partners, L.P.    
Entity Central Index Key 0001383650    
Current Fiscal Year End Date --12-31    
Entity Filer Category Large Accelerated Filer    
Document Type 10-K    
Document Period End Date Dec. 31, 2017    
Document Fiscal Year Focus 2017    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 1.5
Common Units [Member]      
Entity Information [Line Items]      
Entity Units, Units Outstanding   348,619,292  
Subordinated Units [Member]      
Entity Information [Line Items]      
Entity Units, Units Outstanding   135,383,831