Related Party Transactions (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Related Party Transaction [Line Items]
Advances to affiliate	$ 14,737,000	$ 4,987,000
Terminal Use Agreement Maintenance Expense	26,600,000	10,100,000	0
Revenues—affiliate	2,940,000	8,137,000	14,655,000
LNG inventory related party	100,000	4,400,000
LNG inventory related party LCM adjustments recognized	0	11,000,000	10,600,000
Derivative assets		(161,000)
General and administrative expense—affiliate	129,836,000	61,081,000	23,322,000
Cooperative Endeavor Agreements [Member]
Related Party Transaction [Line Items]
Aggregate commitment under the Agreement	25,000,000
Service Agreements [Member]
Related Party Transaction [Line Items]
General and administrative expense—affiliate	113,000,000	53,500,000	19,000,000
Sabine Pass LNG and Cheniere Partners [Member] | LNG Terminal Export Agreement [Member]
Related Party Transaction [Line Items]
Revenues—affiliate	0	300,000	300,000
Sabine Pass Liquefaction [Member] | Cheniere Marketing, LLC [Member] | LNG Sale and Purchase Agreement [Member]
Related Party Transaction [Line Items]
Purchase Commitment, Excess And Uncommitted LNG Produced	104,000,000
Sabine Pass Liquefaction [Member] | Cheniere Marketing, LLC [Member] | LNG Sale and Purchase Agreement [Member] | Profit Category One [Member]
Related Party Transaction [Line Items]
Purchase Commitment, Excess And Uncommitted LNG Produced	36,000,000
Incremental LNG Volume, Purchase Price Percentage	115.00%
Incremental LNG Volume, Purchase Price Per MMBtu	3
Sabine Pass Liquefaction [Member] | Cheniere Marketing, LLC [Member] | LNG Sale and Purchase Agreement [Member] | Profit Category Two [Member]
Related Party Transaction [Line Items]
Proceeds (Payments) of Gross Margin Earned, Percentage	20.00%
Purchase Commitment, Excess And Uncommitted LNG Produced	68,000,000
Sabine Pass Liquefaction [Member] | Cheniere Energy, Inc. [Member] | Operation and Maintenance Agreement [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Committed Monthly Fee	83,333
Proceeds (Payments) Of Capital Expenditures Incurred	0.60%
Sabine Pass Liquefaction [Member] | Cheniere Energy, Inc. [Member] | Management Services Agreement [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Committed Monthly Fee	541,667
Proceeds (Payments) Of Capital Expenditures Incurred	2.40%
Sabine Pass LNG, LP [Member] | Sabine Pass Liquefaction [Member] | LNG Terminal Capacity Agreements [Member]
Related Party Transaction [Line Items]
Regasification capacity	2.0
Related Party Transactions, Commitments, Annual Reservation Fee Payment	250,000,000
Sabine Pass LNG, LP [Member] | Cheniere Marketing, LLC [Member] | Cooperative Endeavor Agreements [Member]
Related Party Transaction [Line Items]
Due from Related Parties, Noncurrent	17,200,000	14,700,000
Sabine Pass LNG, LP [Member] | Cheniere Marketing, LLC [Member] | Contracts for Sale and Purchase of Natural Gas and LNG [Member] | Natural Gas [Member]
Related Party Transaction [Line Items]
Revenues—affiliate	14,700,000	2,800,000	0
Sabine Pass LNG, LP [Member] | Cheniere LNG Terminals, Inc. [Member] | Management Services Agreement [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Committed Monthly Fee	520,000
Sabine Pass LNG, LP [Member] | Cheniere Energy, Inc. [Member] | Operation and Maintenance Agreement [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Committed Monthly Fee	130,000
Related Party Transaction, Bonus Percentage Entitled Upon Meeting Certain Criteria	50.00%
Sabine Pass LNG, LP [Member] | Cheniere Energy, Inc. [Member] | Contracts for Sale and Purchase of Natural Gas and LNG [Member] | Natural Gas And Liquefied Natural Gas [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Purchases from Related Party	3,300,000	2,800,000	4,200,000
Cheniere Energy Investments, LLC [Member] | Cheniere Marketing, LLC [Member] | LNG Lease Agreement [Member]
Related Party Transaction [Line Items]
Liquefied Natural Gas Inventory	41,000	1,369,000
LNG inventory related party	100,000	4,400,000
LNG inventory related party LCM adjustments recognized	0	1,400,000
Cheniere Energy Investments, LLC [Member] | Cheniere Marketing, LLC [Member] | LNG Lease Agreement [Member] | LNG Inventory Derivatives [Member]
Related Party Transaction [Line Items]
Derivative assets	232,000	232,000
Cheniere Energy Investments, LLC [Member] | Cheniere Marketing, LLC [Member] | LNG Lease Agreement [Member] | LNG Inventory Derivatives [Member] | Revenues [Member]
Related Party Transaction [Line Items]
Derivative, Gain (Loss) on Derivative, Net	(463,000)	1,036,000	2,300,000
Cheniere Energy Investments, LLC [Member] | Cheniere Marketing, LLC [Member] | LNG Terminal Capacity Agreements [Member]
Related Party Transaction [Line Items]
Proceeds (Payments) of Gross Margin Earned, Percentage	80.00%
Revenues—affiliate	0	4,900,000	11,200,000
Cheniere Energy Partners, LP [Member] | Cheniere LNG Terminals, Inc. [Member] | Service Agreements [Member]
Related Party Transaction [Line Items]
General and administrative expense—affiliate	2,800,000
Cheniere Creole Trail Pipeline LP [Member] | Cheniere Energy, Inc. [Member] | Management Services Agreement [Member]
Related Party Transaction [Line Items]
Proceeds (Payments) Of Capital Expenditures Incurred	3.00%
Sabine Pass Tug Services, LLC [Member] | Cheniere Marketing, LLC [Member] | Tug Boat Lease Sharing Agreement [Member]
Related Party Transaction [Line Items]
Revenues—affiliate	$ 2,800,000	$ 2,800,000	$ 2,700,000