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

Long-Term Debt - Sabine Pass LNG Senior Notes (Details)

Long-Term Debt - Sabine Pass LNG Senior Notes (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Debt Instrument [Line Items]
Distributions to owners	$ 99,015,000	$ 91,386,000	$ 57,821,000
Sabine Pass LNG, LP [Member]
Debt Instrument [Line Items]
Distributions to owners	346,900,000	348,900,000	333,500,000
Sabine Pass LNG, LP [Member] \| 2016 Sabine Pass LNG Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	1,665,500,000.0	1,665,500,000
Debt Instrument, Interest Rate, Stated Percentage	7.50%
Debt Instrument, Redemption Price, Percentage	100.00%
Percentage of debt principal additional for redemption	1.00%
Discount rate over Treasury Rate to calculate fair value ratio of redemption price	0.50%
Sabine Pass LNG, LP [Member] \| 2020 Sabine Pass LNG Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 420,000,000.0	$ 420,000,000
Debt Instrument, Interest Rate, Stated Percentage	6.50%
Debt redemption period from equity offering closing date	180 days
Debt Instrument, Original Principal Remaining Requirement of Redemption, Percentage	65.00%
Sabine Pass LNG, LP [Member] \| 2020 Sabine Pass LNG Senior Notes [Member] \| Period prior to November 1, 2015 [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage	106.50%
Sabine Pass LNG, LP [Member] \| 2020 Sabine Pass LNG Senior Notes [Member] \| Maximum [Member] \| Period prior to November 1, 2015 [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed	35.00%