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LONG-TERM INVESTMENTS - SUMMARY FINANCIAL INFORMATION (Details) - CAD CAD in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Income statement of unconsolidated equity investments |  |  |
Revenues | CAD 1,761 | CAD 1,557 | CAD 1,790
Commodity costs | (385) | (369) | (661)
Operating and administrative expense | (545) | (376) | (444)
Depreciation and amortization | (293) | (274) | (232)
Other income/(expense) | (41) | 4 | (1)
Interest expense | (69) | (67) | (84)
Earnings before income taxes | 428 | 475 | CAD 368
Balance sheet of unconsolidated equity investments |  |  |
Current assets | 464 | 389 |
Property, plant and equipment, net | 6,534 | 6,602 |
Deferred amounts and other assets | 47 | 40 |
Intangible assets, net | 118 | 64 |
Goodwill | 862 | 885 |
Current liabilities | (433) | (500) |
Long-term debt | (792) | (854) |
Other long-term liabilities | (488) | (167) |
Net assets | CAD 6,312 | CAD 6,459 |

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