Cheniere Energy Partners, L.P. Annual report pursuant to Section 13 and 15(d)

Nature of Operations (Details) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014
Cheniere Energy, Inc. [Member]
Nature of Business [Line Items]
General Partner ownership percentage	100.00%
Cheniere Energy, Inc. [Member] \| Cheniere Energy Partners LP Holdings, LLC [Member]
Nature of Business [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	80.10%
Cheniere Energy Partners LP Holdings, LLC [Member] \| Common Units [Member]
Nature of Business [Line Items]
Partners Capital Account, Units, Units Held	12.0
Cheniere Energy Partners LP Holdings, LLC [Member] \| Class B Units [Member]
Nature of Business [Line Items]
Partners Capital Account, Units, Units Held	45.3
Cheniere Energy Partners LP Holdings, LLC [Member] \| Subordinated Units [Member]
Nature of Business [Line Items]
Partners Capital Account, Units, Units Held	135.4
Sabine Pass LNG terminal [Member]
Nature of Business [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, in mtpa	4.5
Length of Natural Gas Pipeline, in miles	94