RELATED PARTY TRANSACTIONS (Details) (CAD) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
RELATED PARTY TRANSACTIONS
Service charges	222	127	106
Purchase of natural gas by wholly owned subsidiaries	99	15
Sale of natural gas by wholly owned subsidiaries	10	7	5
Amounts receivable from affiliates	185	182
Vector Pipeline joint venture
RELATED PARTY TRANSACTIONS
Service charges	6	6	6
Amounts receivable from affiliates	181	178
Vector Pipeline joint venture \| Minimum
RELATED PARTY TRANSACTIONS
Annual interest rate on the loans (as a percent)	3.00%
Vector Pipeline joint venture \| Maximum
RELATED PARTY TRANSACTIONS
Annual interest rate on the loans (as a percent)	8.00%

Represents the interest rate applicable for loans given to affiliates of the entity.

No definition available.

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- Definition

Represents the purchase of natural gas made by wholly owned subsidiaries of the entity.

+ References

No definition available.

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- Definition

Represents the sale of natural gas purchases made by wholly owned subsidiaries of the entity.

+ References

No definition available.

+ Details

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- Definition

Amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership, due after 1 year (or 1 business cycle).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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- Definition

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

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- Definition

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

+ References

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