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Capital Structure Financial Policies - (Details) CAD in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 CAD | Dec. 31, 2016 CAD | Dec. 31, 2015 CAD
Components of Ratio |  |  |
Short-term debt | CAD 2,136.0 | CAD 1,273.0 |
Current portion of long-term debt | 71.0 | 54.0 |
Long-term debt | 13,372.0 | 16,103.0 |
Total debt | 15,579.0 | 17,430.0 |
Less: Cash and cash equivalents | 2,672.0 | 3,016.0 | CAD 4,049.0
Net debt | 12,907.0 | 14,414.0 |
Shareholders' equity | 45,383.0 | 44,630.0 | CAD 39,039.0
Total capitalization (total debt plus shareholders' equity) | 60,962.0 | 62,060.0 |
Funds from operations | CAD 9,139.0 | CAD 5,988.0 |
Net debt to funds from operations | 1.4 | 2.4 |
Total debt to total debt plus shareholders' equity | 26 | 28 |
Maximum |  |  |
CAPITAL STRUCTURE FINANCIAL POLICIES |  |  |
Percentage of Financial covenant | 65 |  |
Components of Ratio |  |  |
Net debt to funds from operations | 3.0 | 3.0 |

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