Cash And Cash Equivalents (Details) - CAD CAD in Millions	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Cash and cash equivalents
Cash	CAD 1,184.0	CAD 1,103.0
Cash equivalents	1,488.0	1,913.0
Cash and cash equivalents	CAD 2,672.0	CAD 3,016.0	CAD 4,049.0

The amount of cash on hand and demand deposits. [Refer: Cash on hand]

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The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents]

+ References

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The amount of short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value.

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