Quarterly report pursuant to Section 13 or 15(d)

Variable Interest Entity (Details)

v2.4.0.6
Variable Interest Entity (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified
1 Months Ended 1 Months Ended 8 Months Ended 1 Months Ended 8 Months Ended
Sep. 30, 2011
common units [Member]
Sep. 30, 2012
common units [Member]
Chenier Energy Partners, LP [Member]
Mar. 31, 2013
common units [Member]
Sabine Pass LNG terminal [Member]
Chenier Energy Partners, LP [Member]
May 31, 2012
Class B Unit [Member]
Chenier Energy Partners, LP [Member]
Dec. 31, 2012
Class B Unit [Member]
Chenier Energy Partners, LP [Member]
Mar. 31, 2013
Class B Unit [Member]
Sabine Pass LNG terminal [Member]
Chenier Energy Partners, LP [Member]
Mar. 31, 2013
Subordinated Units [Member]
Sabine Pass LNG terminal [Member]
Chenier Energy Partners, LP [Member]
Mar. 31, 2013
General Partner [Member]
Sabine Pass LNG terminal [Member]
Mar. 31, 2013
Minimum [Member]
Chenier Energy Partners, LP [Member]
Aug. 31, 2012
Blackstone CQP Holdco LP [Member]
Class B Unit [Member]
Chenier Energy Partners, LP [Member]
Dec. 31, 2012
Blackstone CQP Holdco LP [Member]
Class B Unit [Member]
Chenier Energy Partners, LP [Member]
Variable Interest Entity [Line Items]                      
Ownership Interest               0.00% 0.00%    
Common units held     12.0     33.3 135.4   50.0    
Price per Common Unit $ 15.25 $ 25.07   $ 15.00              
Common units sold in private placement         100.0         33.3 100.0