ACCOUNTS PAYABLE AND OTHER (Details) - CAD CAD in Millions	Dec. 31, 2017	Dec. 31, 2016
Payables and Accruals [Abstract]
Trade payables	CAD 2,847	CAD 2,443
Fair value of derivative contracts (Note 23)	387	607
Unredeemed shares of Columbia	312	317
Regulatory liabilities (Note 10)	263	178
Other	262	331
Accounts payable and other	CAD 4,071	CAD 3,876

Unredeemed Shares, Current

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Amount of liabilities incurred to vendors for goods and services received, and accrued liabilities classified as other, payable within one year or the normal operating cycle, if longer.

+ References

No definition available.

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Carrying value as of the balance sheet date of obligations incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.

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The amount for the individual regulatory current liability as itemized in a table of regulatory current liabilities as of the end of the period.

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