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SEGMENT INFORMATION (Geographic Information) (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 USD ($) customer | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Disclosure of geographical areas [line items] |  |  |
Revenues | $ 8,885 | $ 6,597 | $ 4,652
Non-current Assets | 57,620 | 50,467 |
Partnership's Revenue | Customer Concentration Risk |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenues | $ 942 | 1,141 |
Number of customers | customer | 1 |  |
United States |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenues | $ 2,279 | 921 | 293
Non-current Assets | 13,372 | 13,671 |
Canada |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenues | 1,461 | 976 | 379
Non-current Assets | 10,057 | 9,243 |
United Kingdom |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenues | 1,305 | 688 | 653
Non-current Assets | 8,940 | 7,196 |
Brazil |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenues | 981 | 1,142 | 1,112
Non-current Assets | 5,404 | 7,103 |
Australia |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenues | 916 | 1,031 | 1,104
Non-current Assets | 4,042 | 5,488 |
Colombia |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenues | 799 | 1,054 | 693
Non-current Assets | 1,256 | 1,166 |
India |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenues | 740 | 399 | 60
Non-current Assets | 10,986 | 3,150 |
Chile |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenues | 117 | 163 | 168
Non-current Assets | 841 | 821 |
Peru |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenues | 81 | 107 | 92
Non-current Assets | 1,247 | 1,337 |
Europe |  |  |
Disclosure of geographical areas [line items] |  |  |
Non-current Assets | 1,022 | 764 |
Other |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenues | 206 | 116 | $ 98
Non-current Assets | $ 453 | $ 528 |
Bottom of range | Partnership's Revenue | Customer Concentration Risk |  |  |
Disclosure of geographical areas [line items] |  |  |
Percentage of entity's revenue | 10.00% |  |

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