Organization and Nature of Operations (Details)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Cheniere Energy Partners, LP [Member]
Organization and nature of operations [Line Items]
General Partner ownership percentage	100.00%
Cheniere Energy Partners, LP [Member] | Cheniere Energy Partners LP Holdings, LLC [Member]
Organization and nature of operations [Line Items]
Limited Partner ownership percentage	55.90%
Cheniere Energy Partners LP Holdings, LLC [Member]
Organization and nature of operations [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	80.10%	84.50%
Sabine Pass LNG terminal [Member]
Organization and nature of operations [Line Items]
Number Of LNG Storage Tanks	5
Storage Capacity, in Bcfe	16.9
Number Of Docks	2
Volume of Vessel, in cubic meters	266,000
Regasification capacity, in Bcf/d	4.0
Number of Liquefaction LNG Trains	6
Train nominal capacity, per Train, in mtpa	4.5
Length of Natural Gas Pipeline, in miles	94
Corpus Christi Liquefaction LNG terminal [Member]
Organization and nature of operations [Line Items]
Number Of LNG Storage Tanks	3
Storage Capacity, in Bcfe	10.1
Number Of Docks	2
Volume of Vessel, in cubic meters	266,000
Number of Liquefaction LNG Trains	3
Train nominal capacity, per Train, in mtpa	13.5
Length of Natural Gas Pipeline, in miles	23