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

Related Party Transactions - Service Agreements (Details)

Related Party Transactions - Service Agreements (Details) - USD ($)	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Related Party Transaction [Line Items]
Advances to Affiliate Current	$ 64,000,000	$ 38,000,000
Service Agreements [Member]
Related Party Transaction [Line Items]
Advances to Affiliate Current	64,000,000	$ 38,000,000
Cheniere Partners Services Agreement [Member] \| Cheniere Terminals [Member]
Related Party Transaction [Line Items]
Quarterly non-accountable overhead reimbursement charge	3,000,000
Operation and Maintenance Agreement [Member] \| Cheniere Investments [Member] \| SPLNG [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Committed Monthly Fee	$ 130,000
Related Party Transaction, Bonus Percentage of Salary Entitled Upon Meeting Certain Criteria	50.00%
Operation and Maintenance Agreement [Member] \| Cheniere Investments [Member] \| SPL [Member]
Related Party Transaction [Line Items]
Monthly fee as a percentage of capital expenditures incurred in the previous month	0.60%
Related Party Transaction, Committed Monthly Fee	$ 83,333
Management Services Agreement [Member] \| Cheniere Terminals [Member] \| SPLNG [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Committed Monthly Fee	$ 520,000
Management Services Agreement [Member] \| Cheniere Terminals [Member] \| SPL [Member]
Related Party Transaction [Line Items]
Monthly fee as a percentage of capital expenditures incurred in the previous month	2.40%
Related Party Transaction, Committed Monthly Fee	$ 541,667
Management Services Agreement [Member] \| Cheniere Terminals [Member] \| CTPL [Member]
Related Party Transaction [Line Items]
Monthly fee as a percentage of capital expenditures incurred in the previous month	3.00%