Related Party Transactions - LNG Terminal Capacity Agreements (Details)	6 Months Ended
	Jun. 30, 2022 USD ($) tbtu Cargo	Dec. 31, 2021 USD ($)
Related Party Transaction [Line Items]
Accounts receivable—affiliate	$ 485,000,000	$ 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 Letter Agreement
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 Letter Agreement | Maximum [Member]
Related Party Transaction [Line Items]
Contract Volume | tbtu	32
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