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

Related Party Transactions - LNG Terminal Capacity Agreements (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015 USD ($) capacity / d	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) capacity / d $ / MMBTU	Jun. 30, 2014 USD ($)
Related Party Transaction [Line Items]
Revenues—affiliate	$ 1,199	$ 734	$ 2,011	$ 1,506
Sabine Pass Liquefaction [Member] \| Sabine Pass LNG, LP [Member] \| LNG Terminal Capacity Agreements [Member]
Related Party Transaction [Line Items]
Regasification capacity, in Bcf/d \| capacity / d	2.0		2.0
Related Party Transaction, Committed Annual Fee			$ 250,000
Related Party Agreement Term			20 years
Terminal Use Agreement Maintenance Expense (Recovery)	$ (100)	15,000	$ 17,700	14,800
Cheniere Marketing, LLC [Member] \| Cheniere Energy Investments, LLC [Member] \| LNG Terminal Capacity Agreements [Member]
Related Party Transaction [Line Items]
Proceeds (Payments) of Gross Margin Earned, Percentage			80.00%
Revenues—affiliate	$ 0	$ 0	$ 0	$ 0
Cheniere Marketing, LLC [Member] \| Sabine Pass Liquefaction [Member] \| LNG Sale and Purchase Agreement [Member]
Related Party Transaction [Line Items]
Incremental LNG Volume, Purchase Price Percentage of Henry Hub			115.00%
Incremental LNG Volume, Purchase Price Per MMBtu \| $ / MMBTU			3.00