Annual report pursuant to Section 13 and 15(d)

Unitholders' Equity (Details)

v3.8.0.1
Unitholders' Equity (Details)
$ / shares in Units, shares in Millions, $ in Millions
 1 Months Ended 12 Months Ended
Aug. 02, 2017
shares
May 31, 2013
USD ($)
shares
Dec. 31, 2017
$ / shares
Dec. 31, 2012
USD ($)
item
Maximum [Member]        
Other Ownership Interests [Line Items]        
Number of days after quarter end distribution is paid     45 days  
Common Units [Member]        
Other Ownership Interests [Line Items]        
Distributions Per Limited Partnership Unit Outstanding, Basic | $ / shares     $ 0.425  
General Partner [Member] | Minimum [Member]        
Other Ownership Interests [Line Items]        
Distributions entitled by General Partner, Percentage     2.00%  
Incentive Distribution, Quarterly Distribution Additional Target Percentage     15.00%  
General Partner [Member] | Maximum [Member]        
Other Ownership Interests [Line Items]        
Incentive Distribution, Quarterly Distribution Additional Target Percentage     50.00%  
Class B Units [Member]        
Other Ownership Interests [Line Items]        
Partnership Units, Conversion Ratio, Quarterly Compounded Rate     0.035  
Class B Unit Financing [Member]        
Other Ownership Interests [Line Items]        
Number of Liquefaction LNG Trains | item       2
Blackstone [Member] | Class B Units [Member]        
Other Ownership Interests [Line Items]        
Proceeds from sale of partnership common and general partner units | $       $ 1,500
Cheniere [Member] | Class B Units [Member]        
Other Ownership Interests [Line Items]        
Proceeds from sale of partnership common and general partner units | $   $ 180   $ 500
Additional units purchased, shares   12.0    
Cheniere Holdings [Member]        
Other Ownership Interests [Line Items]        
Limited Partner Ownership Percentage 48.60%      
Cheniere Holdings [Member] | Class B Units [Member]        
Other Ownership Interests [Line Items]        
Class B units converted 45.3      
Blackstone [Member] | Cheniere Partners [Member]        
Other Ownership Interests [Line Items]        
Limited Partner Ownership Percentage 40.30%      
Blackstone [Member] | Cheniere Partners [Member] | Class B Units [Member]        
Other Ownership Interests [Line Items]        
Class B units converted 100.0      
Public [Member] | Cheniere Partners [Member]        
Other Ownership Interests [Line Items]        
Limited Partner Ownership Percentage 9.10%