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Other Liabilities and Provisions (Tables)
 12 Months Ended
Dec. 31, 2017
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Summary of Other Liabilities and Provisions

(CAD$ in millions)

    December 31,
2017		      December 31,
2016		  

Provisions (a)

    $ 1,905      $ 1,236  

Derivative liabilities (net of current portion of $nil (2016 —$5 million))

      43        21  

Other

      29        65  
  

 

 

     

 

 

  
   $ 1,977      $ 1,322  
  

 

 

     

 

 

  
Summary of Movements in Provisions

The following table summarizes the movements in provisions for the year ended December 31, 2017:

 

(CAD$ in millions)

    Decommissioning and
Restoration Provisions		     Other     Total  

As at January 1, 2017

    $ 1,220     $ 87     $ 1,307  

Settled during the year

      (39 )      (10 )      (49 ) 

Change in discount rate

      210       —         210  

Change in amount and timing of cash flows

      406       121       527  

Accretion

      81       —         81  

Other

      (2 )      —         (2 ) 

Changes in foreign exchange rates

      (32 )      (4 )      (36 ) 
  

 

 

    

 

 

    

 

 

  

As at December 31, 2017

      1,844       194       2,038  

Less current portion of provisions (Note 17)

      (83 )      (50 )      (133 ) 
  

 

 

    

 

 

    

 

 

  

Long-term provisions

    $ 1,761     $ 144     $ 1,905