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SEGMENT INFORMATION (Geographic Information) (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 USD ($) customer | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
Disclosure of geographical areas [line items] |  |  |
Revenues | $ 3,535 | $ 2,115 | $ 1,855
Non-current Assets | 27,965 | 19,643 | 16,182
Partnership's Revenue | Customer Concentration Risk |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenues | $ 938 | 0 |
Number of customers | customer | 1 |  |
Australia |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenues | $ 1,093 | 793 | 699
Non-current Assets | 5,770 | 5,542 |
Brazil |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenues | 938 | 0 | 0
Non-current Assets | 8,184 | 1,895 |
United Kingdom |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenues | 565 | 566 | 635
Non-current Assets | 4,431 | 3,739 |
Colombia |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenues | 161 | 150 | 152
Non-current Assets | 764 | 700 |
Canada |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenues | 193 | 163 | 118
Non-current Assets | 1,468 | 1,252 |
Chile |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenues | 153 | 127 | 113
Non-current Assets | 2,045 | 1,748 |
Europe |  |  |
Disclosure of geographical areas [line items] |  |  |
Non-current Assets | 836 | 718 |
United States of America |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenues | 183 | 154 | 138
Non-current Assets | 2,818 | 2,470 |
India |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenues | 57 | 39 | 0
Non-current Assets | 256 | 265 |
Peru |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenues | 103 | 97 | 0
Non-current Assets | 1,356 | 1,281 |
New Zealand |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenues | 89 | 26 | $ 0
Non-current Assets | $ 37 | $ 33 |

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