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RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - EFFECTS OF DERIVATIVE INSTRUMENTS ON STATEMENT OF EARNINGS AND COMPREHENSIVE INCOME (Details) - CAD CAD in Millions | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |  |
Amount of unrealized gains/(loss) recognized in OCI | CAD (484) | CAD (1,128) | CAD 778
Amount of gains/(loss) reclassified from AOCI to earnings (effective portion) | 119 | 106 | 100
De-designation of qualifying hedges in connection with the Canadian Restructuring Plan (Note 1) | 338 |  |
Amount of gains/(loss) reclassified from AOCI to earnings (ineffective portion and amount excluded from effectiveness testing) | 26 | 210 | 48
Total unrealized derivative fair value gains/(loss) | CAD (2,373) | 96 | (1,262)
Rolling time period over which the Company forecasts cash requirements | 12 months |  |
Period of anticipated requirements for which the Company maintains sufficient liquidity through committed credit facilities | 1 year |  |
Non-Qualifying Derivative Instruments |  |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |  |
Total unrealized derivative fair value gains/(loss) | CAD (2,373) | 106 | (1,247)
Cash Flow Hedges. |  |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |  |
Estimated amount of AOCI related to cash flow hedges reclassified to earnings in the next 12 months | CAD 71 |  |
Period to hedge exposures to the variability of cash flows for all forecasted transactions | 48 months |  |
Foreign Exchange Risk | Other income/(expense) |  |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |  |
Amount of gains/(loss) reclassified from AOCI to earnings (effective portion) | CAD 9 | 8 | (8)
Foreign Exchange Risk | Non-Qualifying Derivative Instruments |  |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |  |
Total unrealized derivative fair value gains/(loss) | (2,187) | (936) | (738)
Foreign Exchange Risk | Non-Qualifying Derivative Instruments | Transportation and other services revenues |  |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |  |
Total unrealized derivative fair value gains/(loss) | (1,383) | (496) | (352)
Foreign Exchange Risk | Non-Qualifying Derivative Instruments | Other income/(expense) |  |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |  |
Total unrealized derivative fair value gains/(loss) | (804) | (440) | (386)
Foreign Exchange Risk | Cash Flow Hedges. |  |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |  |
Amount of unrealized gains/(loss) recognized in OCI | 77 | 8 | 56
Foreign Exchange Risk | Net Investment Hedges |  |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |  |
Amount of unrealized gains/(loss) recognized in OCI | (248) | (113) | (81)
Interest rate contracts | Interest expense. |  |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |  |
Amount of gains/(loss) reclassified from AOCI to earnings (effective portion) | 128 | 101 | 107
De-designation of qualifying hedges in connection with the Canadian Restructuring Plan (Note 1) | 338 |  |
Amount of gains/(loss) reclassified from AOCI to earnings (ineffective portion and amount excluded from effectiveness testing) | 21 | 216 | 51
Interest rate contracts | Non-Qualifying Derivative Instruments |  |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |  |
Total unrealized derivative fair value gains/(loss) | (363) | 4 | (10)
Interest rate contracts | Cash Flow Hedges. |  |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |  |
Amount of unrealized gains/(loss) recognized in OCI | (275) | (1,086) | 814
Commodity contracts | Commodity costs |  |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |  |
Amount of gains/(loss) reclassified from AOCI to earnings (effective portion) | (46) | 4 | 1
Amount of gains/(loss) reclassified from AOCI to earnings (ineffective portion and amount excluded from effectiveness testing) | 5 | (6) | (3)
Commodity contracts | Non-Qualifying Derivative Instruments |  |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |  |
Total unrealized derivative fair value gains/(loss) | 199 | 1,031 | (496)
Commodity contracts | Non-Qualifying Derivative Instruments | Commodity sales |  |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |  |
Total unrealized derivative fair value gains/(loss) | (226) | 0 | 0
Commodity contracts | Non-Qualifying Derivative Instruments | Commodity costs |  |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |  |
Total unrealized derivative fair value gains/(loss) | 99 | 303 | (35)
Commodity contracts | Non-Qualifying Derivative Instruments | Operating and administrative expense |  |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |  |
Total unrealized derivative fair value gains/(loss) | (2) | (13) | (86)
Commodity contracts | Non-Qualifying Derivative Instruments | Transportation and other services revenues |  |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |  |
Total unrealized derivative fair value gains/(loss) | 328 | 741 | (375)
Commodity contracts | Cash Flow Hedges. |  |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |  |
Amount of unrealized gains/(loss) recognized in OCI | 9 | 50 | (9)
Other contracts | Operating and administrative expense |  |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |  |
Amount of gains/(loss) reclassified from AOCI to earnings (effective portion) | 28 | (7) |
Other contracts | Non-Qualifying Derivative Instruments |  |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |  |
Total unrealized derivative fair value gains/(loss) | (22) | 7 | (3)
Other contracts | Cash Flow Hedges. |  |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |  |
Amount of unrealized gains/(loss) recognized in OCI | CAD (47) | CAD 13 | CAD (2)

X
- Definition The dedesignation of qualifying hedges reclassified from accumulated other comprehensive income into income on derivative instruments qualifying as hedging instruments. + References No definition available. + Details
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