Annual report pursuant to Section 13 and 15(d)

Initial Public Offering (Details)

v2.4.0.6
Initial Public Offering (Details) (USD $)
In Millions, except Share data, unless otherwise specified
0 Months Ended 1 Months Ended 0 Months Ended 1 Months Ended 12 Months Ended 0 Months Ended
Mar. 26, 2007
Sep. 30, 2012
May 31, 2012
Mar. 26, 2007
Common Units
Sep. 30, 2012
Common Units
Sep. 30, 2011
Common Units
Dec. 31, 2012
Common Units
Dec. 31, 2011
Common Units
Mar. 26, 2007
General Partner [Member]
Mar. 26, 2007
Limited Partner [Member]
Mar. 26, 2007
Chenier Energy Partners, LP [Member]
Mar. 26, 2007
Chenier Energy Partners, LP [Member]
Common Units
Mar. 26, 2007
Cheniere LNG Holdings [Member]
Mar. 26, 2007
Cheniere LNG Holdings [Member]
Common Units
Mar. 26, 2007
Cheniere LNG Holdings [Member]
Subordinated Units
Mar. 26, 2007
Cheniere LNG Holdings [Member]
Limited Partner [Member]
Mar. 26, 2007
Cheniere LNG Holdings [Member]
Limited Partner [Member]
Common Units
Mar. 26, 2007
Minimum [Member]
General Partner [Member]
Limited Partners' Capital Account [Line Items]                                    
Partners' Capital Account, Units, Sold in Public Offering 13,500,000     5,054,164 8,000,000 3,000,000 500,000 500,000       5,054,164   8,445,836     8,445,836  
Partners Capital Account, Sale Of Units, Ownership Percentage After Transaction                   8.20%           89.80%    
Partners Capital Account, Units, Sold In Public Offering, Unit Price $ 21.00 $ 15.00     $ 25.07                          
Partners' Capital Account, Units, Sold in Private Placement     133,300,000           3,302,045         21,362,193 135,383,831      
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest                 2.00%                  
Related Party Transactions, Commitments, Annual Reservation Fee Payment                 $ 10.0                  
Relatedd Party Transactions, Quarterly Overhead Reimbursement Charge                 2.8                  
Proceeds from Issuance Initial Public Offering                     $ 98.4   $ 164.5          
Distributions Per General Partnership Unit Outstanding                 $ 0.425                 $ 0.489