| Related Party Transactions - Service Agreements (Details) (USD $) Share data in Millions, unless otherwise specified | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 0 Months Ended | 3 Months Ended | 6 Months Ended | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013 | Dec. 31, 2013 | Jun. 30, 2014
 Service Agreements [Member] | Jun. 30, 2013
 Service Agreements [Member] | Jun. 30, 2014
 Service Agreements [Member] | Jun. 30, 2013
 Service Agreements [Member] | Jun. 30, 2014
 Cheniere LNG Terminals, LLC [Member]
 Cheniere Partners Services Agreement [Member] | Feb. 01, 2013
 Cheniere Energy, Inc. [Member] | Jun. 30, 2014
 Cheniere Energy, Inc. [Member]
 item | Feb. 01, 2013
 Cheniere Energy, Inc. [Member] | Jan. 31, 2013
 Cheniere Energy, Inc. [Member] | Jun. 30, 2014
 Sabine Pass LNG, LP [Member]
 Cheniere LNG Terminals, LLC [Member]
 Management Services Agreement [Member] | Jun. 30, 2014
 Sabine Pass LNG, LP [Member]
 Cheniere Energy, Inc. [Member]
 Operation and Maintenance Agreement [Member] | Jun. 30, 2014
 Sabine Pass Liquefaction [Member]
 Cheniere LNG Terminals, LLC [Member]
 Management Services Agreement [Member] | Jun. 30, 2014
 Sabine Pass Liquefaction [Member]
 Cheniere Energy Investments, LLC [Member]
 Operation and Maintenance Agreement [Member] | Jun. 30, 2014
 Cheniere Creole Trail Pipeline LP [Member]
 Cheniere LNG Terminals, LLC [Member]
 Management Services Agreement [Member] | |
| Related Party Transaction [Line Items] | |||||||||||||||||||
| Advances to Affiliate Current | $ 1,899,000 | $ 1,899,000 | $ 14,737,000 | ||||||||||||||||
| General and administrative expense—affiliate | 22,972,000 | 36,543,000 | 50,125,000 | 59,759,000 | 23,000,000 | 36,500,000 | 50,100,000 | 59,800,000 | |||||||||||
| Operating and maintenance expense—affiliate | 4,860,000 | 10,307,000 | 9,291,000 | 17,220,000 | 4,900,000 | 10,300,000 | 9,300,000 | 17,200,000 | |||||||||||
| Loss Contingency, New Claims Filed, Number | 4 | ||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized | 35 | 10 | |||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized | 25 | ||||||||||||||||||
| Quarterly non-accountable overhead reimbursement charge | 2,800,000 | ||||||||||||||||||
| Related Party Transaction, Committed Monthly Fee | $ 520,000 | $ 130,000 | $ 541,667 | $ 83,333 | |||||||||||||||
| Related Party Transaction, Bonus Percentage Entitled Upon Meeting Certain Criteria | 50.00% | ||||||||||||||||||
| Monthly fee as a percentage of capital expenditures incurred in the previous month | 2.40% | 0.60% | 3.00% | ||||||||||||||||