Annual report pursuant to Section 13 and 15(d)

Quarterly Financial Data (unaudited) (Details)

v2.4.1.9
Quarterly Financial Data (unaudited) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Schedule of Quarterly Financial Information [Line Items]                      
Revenues $ 66,559us-gaap_Revenues $ 67,590us-gaap_Revenues $ 67,328us-gaap_Revenues $ 67,221us-gaap_Revenues $ 66,999us-gaap_Revenues $ 67,447us-gaap_Revenues $ 67,637us-gaap_Revenues $ 66,108us-gaap_Revenues $ 268,698us-gaap_Revenues $ 268,191us-gaap_Revenues $ 264,498us-gaap_Revenues
Income (loss) from operations 3,822us-gaap_OperatingIncomeLoss (2,056)us-gaap_OperatingIncomeLoss (7,726)us-gaap_OperatingIncomeLoss 5,086us-gaap_OperatingIncomeLoss 5,428us-gaap_OperatingIncomeLoss (23,357)us-gaap_OperatingIncomeLoss (20,427)us-gaap_OperatingIncomeLoss 5,670us-gaap_OperatingIncomeLoss (874)us-gaap_OperatingIncomeLoss (32,686)us-gaap_OperatingIncomeLoss 38,245us-gaap_OperatingIncomeLoss
Net loss $ (70,839)us-gaap_NetIncomeLoss $ (43,240)us-gaap_NetIncomeLoss $ (226,224)us-gaap_NetIncomeLoss $ (69,733)us-gaap_NetIncomeLoss $ (61,266)us-gaap_NetIncomeLoss $ (98,108)us-gaap_NetIncomeLoss $ (47,010)us-gaap_NetIncomeLoss $ (51,733)us-gaap_NetIncomeLoss $ (410,036)us-gaap_NetIncomeLoss $ (258,117)us-gaap_NetIncomeLoss $ (175,431)us-gaap_NetIncomeLoss
Basic and diluted net income (loss) per common unit $ (0.06)us-gaap_EarningsPerShareBasicAndDiluted [1] $ 0.08us-gaap_EarningsPerShareBasicAndDiluted [1] $ (0.85)us-gaap_EarningsPerShareBasicAndDiluted [1] $ (0.06)us-gaap_EarningsPerShareBasicAndDiluted [1] $ (0.01)us-gaap_EarningsPerShareBasicAndDiluted [1] $ (0.20)us-gaap_EarningsPerShareBasicAndDiluted [1] $ 0.11us-gaap_EarningsPerShareBasicAndDiluted [1] $ 0.10us-gaap_EarningsPerShareBasicAndDiluted [1] $ (0.89)us-gaap_EarningsPerShareBasicAndDiluted $ (0.03)us-gaap_EarningsPerShareBasicAndDiluted $ 0.27us-gaap_EarningsPerShareBasicAndDiluted
Cheniere Creole Trail Pipeline LP [Member]                      
Schedule of Quarterly Financial Information [Line Items]                      
Net income (loss) per common unit, adjusted to include pre-acquisition date net losses of the Creole Trail Pipeline Business—basic and diluted         $ (0.01)cqp_AdjustedEarningsPerShareBasicandDiluted
/ us-gaap_BusinessAcquisitionAxis
= cqp_CheniereCreoleTrailPipelineLpMember 		[1] $ (0.20)cqp_AdjustedEarningsPerShareBasicandDiluted
/ us-gaap_BusinessAcquisitionAxis
= cqp_CheniereCreoleTrailPipelineLpMember 		[1] $ 0.06cqp_AdjustedEarningsPerShareBasicandDiluted
/ us-gaap_BusinessAcquisitionAxis
= cqp_CheniereCreoleTrailPipelineLpMember 		[1] $ 0.04cqp_AdjustedEarningsPerShareBasicandDiluted
/ us-gaap_BusinessAcquisitionAxis
= cqp_CheniereCreoleTrailPipelineLpMember 		[1]      
[1] The sum of the quarterly net income (loss) per common unit may not equal the full year amount as the computations of the weighted average common units outstanding for basic and diluted common units outstanding for each quarter and the full year are performed independently.