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OTHER LONG-TERM LIABILITIES (Tables) | 12 Months Ended
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Dec. 31, 2015
OTHER LONG-TERM LIABILITIES. |
Schedule of other long-term liabilities |
December 31, |  | 2015 |  | 2014 |
(millions of Canadian dollars) |  |  |  |  |
Regulatory liabilities (Note 5) |  | 787 |  | 802 |
Derivative liabilities (Note 24) |  | 3,950 |  | 2,078 |
Pension and OPEB liabilities (Note 26) |  | 517 |  | 584 |
Asset retirement obligations (Note 19) |  | 189 |  | 132 |
Environmental liabilities |  | 89 |  | 70 |
Other |  | 524 |  | 375 |
|  | 6,056 |  | 4,041 |

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