| Document and Entity Information | Sep. 13, 2021 |
| Cover [Abstract] | |
| Amendment Flag | false |
| Entity Central Index Key | 0001383650 |
| Document Type | 8-K |
| Document Period End Date | Sep. 13, 2021 |
| Entity Registrant Name | CHENIERE ENERGY PARTNERS, L.P. |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-33366 |
| Entity Tax Identification Number | 20-5913059 |
| Entity Address, Address Line One | 700 Milam Street |
| Entity Address, Address Line Two | Suite 1900 |
| Entity Address, City or Town | Houston |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 77002 |
| City Area Code | (713) |
| Local Phone Number | 375-5000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Units Representing Limited Partner Interests |
| Trading Symbol | CQP |
| Security Exchange Name | NYSEAMER |
| Entity Emerging Growth Company | false |
