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

Related Party Transactions - LNG Terminal Capacity Agreements (Details)	3 Months Ended
	Mar. 31, 2022 USD ($) Cargo	Dec. 31, 2021 USD ($)
Related Party Transaction [Line Items]
Accounts receivable—affiliate	$ 290,000,000	$ 232,000,000
SPL [Member] \| Affiliated Entity [Member] \| Facility Swap Agreement [Member]
Related Party Transaction [Line Items]
LNG Volume, Purchase Price Percentage of Henry Hub	115.00%
SPL [Member] \| Cheniere Marketing [Member] \| Cheniere Marketing SPA [Member]
Related Party Transaction [Line Items]
LNG Volume, Purchase Price Percentage of Henry Hub	115.00%
LNG Volume, Purchase Price Per MMBtu	$ 3.00
SPL [Member] \| Cheniere Marketing [Member] \| 2022 - 2027 Letter Agreements
Related Party Transaction [Line Items]
LNG Volume, Purchase Price Percentage of Henry Hub	115.00%
LNG Volume, Weighted Average Purchase Price Per MMBtu	$ 1.95
SPL [Member] \| Cheniere Marketing [Member] \| 2022 - 2027 Letter Agreements \| Maximum [Member]
Related Party Transaction [Line Items]
Contract Cargoes \| Cargo	306
SPL [Member] \| Cheniere Marketing [Member] \| 2021 Letter Agreement [Member]
Related Party Transaction [Line Items]
LNG Volume, Purchase Price Percentage of Henry Hub	115.00%
LNG Volume, Purchase Price Per MMBtu	$ 0.728
SPL [Member] \| Cheniere Marketing [Member] \| 2021 Letter Agreement [Member] \| Maximum [Member]
Related Party Transaction [Line Items]
Contract Cargoes \| Cargo	30