Financing Costs and Additional Notes and Loans Payable Information (Detail) - CAD CAD in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
|
| Debt-related interest | CAD 32 | CAD 30 | CAD 95 | CAD 73 |
| Capitalized interest | (11) | (20) | (37) | (58) |
| Net interest expense | 21 | 10 | 58 | 15 |
| Other interest | (2) | 2 | (6) | 5 |
| Total financing costs | CAD 19 | CAD 12 | CAD 52 | CAD 20 |