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RISK MANAGEMENT AND FINANCIAL INSTRUMENTS (Details 6) (CAD) In Millions, unless otherwise specified | Jun. 30, 2013 | Dec. 31, 2012
--- | --- | ---
Fair Value of Derivatives |  |
Total net financial asset/(liability) | (831) | (1,047)
Foreign exchange contracts |  |
Fair Value of Derivatives |  |
Total net financial asset/(liability) | (353) | 371
Interest rate contracts |  |
Fair Value of Derivatives |  |
Total net financial asset/(liability) | (112) | (932)
Commodity contracts |  |
Fair Value of Derivatives |  |
Total net financial asset/(liability) | (381) | (498)
Other contracts |  |
Fair Value of Derivatives |  |
Total net financial asset/(liability) | 15 | 12
Total Gross Derivative Instruments |  |
Fair Value of Derivatives |  |
Current derivative assets, Total Gross Derivative Instruments | 411 | 383
Long-term derivative assets, Total Gross Derivative Instruments | 463 | 408
Current derivative liabilities, Total Gross Derivative Instruments | (667) | (1,075)
Long-term derivative liabilities, Total Gross Derivative Instruments | (1,038) | (763)
Total net financial asset/(liability) | (831) | (1,047)
Total Gross Derivative Instruments | Foreign exchange contracts |  |
Fair Value of Derivatives |  |
Current derivative assets, Total Gross Derivative Instruments | 99 | 230
Long-term derivative assets, Total Gross Derivative Instruments | 95 | 315
Current derivative liabilities, Total Gross Derivative Instruments | (101) | (105)
Long-term derivative liabilities, Total Gross Derivative Instruments | (446) | (69)
Total net financial asset/(liability) | (353) | 371
Total Gross Derivative Instruments | Interest rate contracts |  |
Fair Value of Derivatives |  |
Current derivative assets, Total Gross Derivative Instruments | 79 | 16
Long-term derivative assets, Total Gross Derivative Instruments | 290 | 30
Current derivative liabilities, Total Gross Derivative Instruments | (373) | (673)
Long-term derivative liabilities, Total Gross Derivative Instruments | (108) | (305)
Total net financial asset/(liability) | (112) | (932)
Total Gross Derivative Instruments | Commodity contracts |  |
Fair Value of Derivatives |  |
Current derivative assets, Total Gross Derivative Instruments | 222 | 128
Long-term derivative assets, Total Gross Derivative Instruments | 74 | 60
Current derivative liabilities, Total Gross Derivative Instruments | (193) | (297)
Long-term derivative liabilities, Total Gross Derivative Instruments | (484) | (389)
Total net financial asset/(liability) | (381) | (498)
Total Gross Derivative Instruments | Other contracts |  |
Fair Value of Derivatives |  |
Current derivative assets, Total Gross Derivative Instruments | 11 | 9
Long-term derivative assets, Total Gross Derivative Instruments | 4 | 3
Total net financial asset/(liability) | 15 | 12
Level 1 |  |
Fair Value of Derivatives |  |
Current derivative assets, Total Gross Derivative Instruments | 3 | 3
Current derivative liabilities, Total Gross Derivative Instruments | (5) | (9)
Total net financial asset/(liability) | (2) | (6)
Level 1 | Commodity contracts |  |
Fair Value of Derivatives |  |
Current derivative assets, Total Gross Derivative Instruments | 3 | 3
Current derivative liabilities, Total Gross Derivative Instruments | (5) | (9)
Total net financial asset/(liability) | (2) | (6)
Level 2 |  |
Fair Value of Derivatives |  |
Current derivative assets, Total Gross Derivative Instruments | 286 | 262
Long-term derivative assets, Total Gross Derivative Instruments | 449 | 399
Current derivative liabilities, Total Gross Derivative Instruments | (595) | (990)
Long-term derivative liabilities, Total Gross Derivative Instruments | (890) | (688)
Total net financial asset/(liability) | (750) | (1,017)
Level 2 | Foreign exchange contracts |  |
Fair Value of Derivatives |  |
Current derivative assets, Total Gross Derivative Instruments | 99 | 230
Long-term derivative assets, Total Gross Derivative Instruments | 95 | 315
Current derivative liabilities, Total Gross Derivative Instruments | (101) | (105)
Long-term derivative liabilities, Total Gross Derivative Instruments | (446) | (69)
Total net financial asset/(liability) | (353) | 371
Level 2 | Interest rate contracts |  |
Fair Value of Derivatives |  |
Current derivative assets, Total Gross Derivative Instruments | 79 | 16
Long-term derivative assets, Total Gross Derivative Instruments | 290 | 30
Current derivative liabilities, Total Gross Derivative Instruments | (373) | (673)
Long-term derivative liabilities, Total Gross Derivative Instruments | (108) | (305)
Total net financial asset/(liability) | (112) | (932)
Level 2 | Commodity contracts |  |
Fair Value of Derivatives |  |
Current derivative assets, Total Gross Derivative Instruments | 97 | 7
Long-term derivative assets, Total Gross Derivative Instruments | 60 | 51
Current derivative liabilities, Total Gross Derivative Instruments | (121) | (212)
Long-term derivative liabilities, Total Gross Derivative Instruments | (336) | (314)
Total net financial asset/(liability) | (300) | (468)
Level 2 | Other contracts |  |
Fair Value of Derivatives |  |
Current derivative assets, Total Gross Derivative Instruments | 11 | 9
Long-term derivative assets, Total Gross Derivative Instruments | 4 | 3
Total net financial asset/(liability) | 15 | 12
Level 3 |  |
Fair Value of Derivatives |  |
Current derivative assets, Total Gross Derivative Instruments | 122 | 118
Long-term derivative assets, Total Gross Derivative Instruments | 14 | 9
Current derivative liabilities, Total Gross Derivative Instruments | (67) | (76)
Long-term derivative liabilities, Total Gross Derivative Instruments | (148) | (75)
Total net financial asset/(liability) | (79) | (24)
Level 3 | Commodity contracts |  |
Fair Value of Derivatives |  |
Current derivative assets, Total Gross Derivative Instruments | 122 | 118
Long-term derivative assets, Total Gross Derivative Instruments | 14 | 9
Current derivative liabilities, Total Gross Derivative Instruments | (67) | (76)
Long-term derivative liabilities, Total Gross Derivative Instruments | (148) | (75)
Total net financial asset/(liability) | (79) | (24)

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