| Consolidated Balance Sheets Parentheticals - shares shares in Millions | 6 Months Ended | 12 Months Ended | 
|---|---|---|
| Jun. 30, 2021 | Dec. 31, 2020 | |
| Cheniere Partners [Member] | ||
| General Partner Ownership Interest Percentage | 2.00% | 2.00% | 
| Common Units [Member] | ||
| Limited Partners' Capital Account, Units Outstanding | 484.0 | 484.0 | 
| General Partner [Member] | ||
| General Partners' Capital Account, Units Issued | 9.9 | 9.9 | 
| General Partners' Capital Account, Units Outstanding | 9.9 | 9.9 | 
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- Definition The number of general partner units issued. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition The number of general partner units outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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| X | ||||||||||
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- Definition Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition The number of limited partner units outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Details 
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- Details 
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