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		9 Months Ended
	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($) bcf $ / MMBTU	Sep. 30, 2014 USD ($)
Related Party Transaction [Line Items]
Revenues—affiliate	$ 941	$ 700	$ 2,952	$ 2,206
Cheniere Marketing [Member] \| LNG Terminal Capacity Agreements [Member] \| Cheniere Investments [Member]
Related Party Transaction [Line Items]
Proceeds (Payments) of Gross Margin Earned, Percentage			80.00%
Revenues—affiliate	0	0	$ 0	0
Cheniere Marketing [Member] \| LNG Sale and Purchase Agreement [Member] \| SPL [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
SPL [Member] \| LNG Terminal Capacity Agreements [Member] \| SPLNG [Member]
Related Party Transaction [Line Items]
Regasification Capacity, in Bcf/d \| bcf			2.0
Related Party Transaction, Committed Annual Fee			$ 250,000
Related Party Agreement Term			20 years
Terminal Use Agreement Maintenance Expense (Income)	$ (700)	$ 10,200	$ 17,000	$ 25,000