XML 54 R45.htm IDEA: XBRL DOCUMENT v3.5.0.2
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - EFFECTS OF DERIVATIVE INSTRUMENTS ON STATEMENT OF EARNINGS AND COMPREHENSIVE INCOME (Details) - CAD
CAD in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income        
Amount of unrealized gains/(loss) recognized in OCI CAD (450) CAD 364 CAD (930) CAD (367)
Amount of (gains)/loss reclassified from AOCI to earnings (effective portion) 69 28 17 23
Amount of (gains)/loss reclassified from AOCI to earnings (ineffective portion and amount excluded from effectiveness testing) 5 (12) 31 (30)
Total unrealized derivative fair value gains/(loss) (77) 352 CAD 765 (1,131)
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) (77) 352 CAD 765 (1,131)
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 33  
Period to hedge exposures to the variability of cash flows for all forecasted transactions     42 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) (1) 6 CAD 2 6
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) 28 388 1,044 (905)
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)     564 (571)
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)     480 (334)
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 2 (15) (33) 30
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 (12) 22 72 (101)
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) 72 23 51 33
Amount of (gains)/loss reclassified from AOCI to earnings (ineffective portion and amount excluded from effectiveness testing) 5 (12) 31 (35)
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) 4   8  
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 (428) 392 (1,004) (272)
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) 2 (2) (6) (22)
Amount of (gains)/loss reclassified from AOCI to earnings (ineffective portion and amount excluded from effectiveness testing)       5
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) (114) (35) (298) (227)
Commodity contracts | Non-Qualifying Derivative Instruments | Commodity sales revenue        
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income        
Total unrealized derivative fair value gains/(loss)     (302) (357)
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)     6 118
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)     (4) 7
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)     2 5
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 (18) (29) (2) (10)
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) (4) 1 (30) 6
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) 5 (1) 11 1
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 6 CAD (6) CAD 37 CAD (14)