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Related Party Transactions (Details) (USD $)
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3 Months Ended | 3 Months Ended | 3 Months Ended | 3 Months Ended | 3 Months Ended | 1 Months Ended | 3 Months Ended | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Mar. 31, 2013
bcf
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Mar. 31, 2012
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Dec. 31, 2012
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Mar. 31, 2013
LNG Lease Agreement [Member]
Cheniere Marketing, LLC [Member]
MMBTU
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Mar. 31, 2012
LNG Lease Agreement [Member]
Cheniere Marketing, LLC [Member]
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Dec. 31, 2012
LNG Lease Agreement [Member]
Cheniere Marketing, LLC [Member]
MMBTU
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Mar. 31, 2013
Service Agreements [Member]
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Mar. 31, 2012
Service Agreements [Member]
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Mar. 31, 2013
Service Agreements [Member]
Cheniere LNG Terminals, Inc. [Member]
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Mar. 31, 2013
Operation and Maintenance Agreement [Member]
Sabine Pass LNG, LP [Member]
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Mar. 31, 2013
Operation and Maintenance Agreement [Member]
Sabine Pass Liquefaction [Member]
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Mar. 31, 2013
Management Services Agreement [Member]
Cheniere LNG Terminals, Inc. [Member]
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Mar. 31, 2013
Management Services Agreement [Member]
Sabine Pass Liquefaction [Member]
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Mar. 31, 2013
Contracts for Sale and Purchase of Natural Gas and LNG [Member]
Natural Gas [Member]
Sabine Pass LNG, LP [Member]
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Mar. 31, 2012
Contracts for Sale and Purchase of Natural Gas and LNG [Member]
Natural Gas [Member]
Sabine Pass LNG, LP [Member]
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Mar. 31, 2013
Contracts for Sale and Purchase of Natural Gas and LNG [Member]
Natural Gas And Liquefied Natural Gas [Member]
Sabine Pass LNG, LP [Member]
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Mar. 31, 2012
Contracts for Sale and Purchase of Natural Gas and LNG [Member]
Natural Gas And Liquefied Natural Gas [Member]
Sabine Pass LNG, LP [Member]
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Mar. 31, 2013
LNG Terminal Export Agreement [Member]
Sabine Pass LNG and Cheniere Partners [Member]
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Jul. 31, 2010
LNG Terminal Capacity Agreements [Member]
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Mar. 31, 2013
LNG Terminal Capacity Agreements [Member]
Cheniere Marketing, LLC [Member]
MMBTU
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Mar. 31, 2012
LNG Terminal Capacity Agreements [Member]
Cheniere Marketing, LLC [Member]
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Mar. 31, 2013
LNG Terminal Capacity Agreements [Member]
Sabine Pass Liquefaction [Member]
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Mar. 31, 2013
Tug Boat Lease Sharing Agreement [Member]
Sabine Pass LNG, LP [Member]
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Mar. 31, 2013
Profit Category One [Member]
LNG Terminal Capacity Agreements [Member]
MMBTU
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Mar. 31, 2013
Profit Category Two [Member]
LNG Terminal Capacity Agreements [Member]
MMBTU
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Mar. 31, 2013
LNG Inventory Derivatives [Member]
LNG Lease Agreement [Member]
Cheniere Marketing, LLC [Member]
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Mar. 31, 2012
LNG Inventory Derivatives [Member]
LNG Lease Agreement [Member]
Cheniere Marketing, LLC [Member]
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Dec. 31, 2012
LNG Inventory Derivatives [Member]
Prepaid Expenses And Other [Member]
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Dec. 31, 2012
LNG Inventory Derivatives [Member]
Fair Value, Measurements, Recurring [Member]
Prepaid Expenses And Other [Member]
Fair Value, Inputs, Level 2 [Member]
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Mar. 31, 2013
Cooperative Endeavor Agreements [Member]
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Dec. 31, 2012
Cooperative Endeavor Agreements [Member]
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Jul. 31, 2007
Cooperative Endeavor Agreements [Member]
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| Related Party Transaction [Line Items] | ||||||||||||||||||||||||||||||||
| Advances to Affiliate Current | $ 10,008,000 | $ 4,987,000 | ||||||||||||||||||||||||||||||
| Regasification capacity | 2.0 | |||||||||||||||||||||||||||||||
| Storage Capacity | 6.9 | |||||||||||||||||||||||||||||||
| Related Party Transactions, Commitments, Annual Reservation Fee Payment | 250,000,000 | |||||||||||||||||||||||||||||||
| Proceeds (Payments) of Gross Margin Earned, Percentage | 80.00% | 20.00% | ||||||||||||||||||||||||||||||
| Revenues—affiliate | 511,000 | 2,365,000 | 900,000 | 0 | 0 | 0 | 1,700,000 | 700,000 | ||||||||||||||||||||||||
| Purchase Commitment, Excess And Uncommitted LNG Produced | 104,000,000 | 36,000,000 | 68,000,000 | |||||||||||||||||||||||||||||
| Incremental LNG Volume, Purchase Price Percentage | 115.00% | |||||||||||||||||||||||||||||||
| Incremental LNG Volume, Purchase Price Per MMBtu | 3 | |||||||||||||||||||||||||||||||
| Liquefied Natural Gas Inventory | 758,000 | 1,369,000 | ||||||||||||||||||||||||||||||
| LNG inventory related party | 2,448,000 | 4,420,000 | ||||||||||||||||||||||||||||||
| LNG inventory related party LCM adjustments recognized | 0 | 900,000 | ||||||||||||||||||||||||||||||
| LNG Inventory Derivative assets | 232,000 | 232,000 | ||||||||||||||||||||||||||||||
| Derivative gain (loss), net | (17,468,000) | (836,000) | (550,000) | 1,171,000 | ||||||||||||||||||||||||||||
| General and Administrative Expense Related Parties | 19,156,000 | 5,112,000 | 18,400,000 | 4,800,000 | 2,800,000 | |||||||||||||||||||||||||||
| Related Party Transaction, Committed Monthly Fee | 130,000 | 83,333 | 520,000 | 541,667 | ||||||||||||||||||||||||||||
| Related Party Transaction, Bonus Percentage Entitled Upon Meeting Certain Criteria | 50.00% | |||||||||||||||||||||||||||||||
| Proceeds (Payments) Of Capital Expenditures Incurred | 0.60% | 2.40% | ||||||||||||||||||||||||||||||
| Aggregate commitment under the Agreement | 25,000,000 | |||||||||||||||||||||||||||||||
| Deferred Revenue Related Party Current | 0 | 696,000 | 17,200,000 | 14,700,000 | ||||||||||||||||||||||||||||
| Related Party Transaction, Purchases from Related Party | $ 900,000 | $ 700,000 | ||||||||||||||||||||||||||||||