RISK MANAGEMENT AND FINANCIAL INSTRUMENTS (Details) (CAD) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014
Maximum
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
Floating rate debt as a percentage of total debt outstanding	25.00%
Foreign Exchange Risk
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
Period to hedge a minimum level of foreign currency denominated earnings exposures	5 years
Interest rate contracts - short-term borrowings
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
Average swap rate (as a percent)	2.10%
Interest rate contracts - long-term debt
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
Average swap rate (as a percent)	3.60%
Amount of future fixed rate term debt issuances	8,870
Equity Price Risk
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS
Number of forms of stock-based compensation with equity price risk	1