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

Customer Concentration - Schedule of Revenue from External Customers by Country (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Concentration Risk [Line Items]
Revenues from External Customers	$ 1,908	$ 1,476	$ 1,705	$ 1,749	$ 1,897	$ 1,529	$ 1,407	$ 1,593	$ 6,838	$ 6,426	$ 4,304
Geographic Concentration Risk [Member]
Concentration Risk [Line Items]
Revenues from External Customers									5,526	5,127	2,915
Geographic Concentration Risk [Member] \| United States
Concentration Risk [Line Items]
Revenues from External Customers									2,354	1,880	1,441
Geographic Concentration Risk [Member] \| India
Concentration Risk [Line Items]
Revenues from External Customers									1,113	981	0
Geographic Concentration Risk [Member] \| South Korea
Concentration Risk [Line Items]
Revenues from External Customers									1,071	1,168	666
Geographic Concentration Risk [Member] \| Ireland
Concentration Risk [Line Items]
Revenues from External Customers									988	1,098	787
Geographic Concentration Risk [Member] \| Other countries
Concentration Risk [Line Items]
Revenues from External Customers									$ 0	$ 0	$ 21