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Other comprehensive income (loss) information
 9 Months Ended
Sep. 30, 2016
Other comprehensive income (loss) information

9.   Other comprehensive income (loss) information

Changes in accumulated other comprehensive income (loss):

 

 millions of Canadian dollars            2016         2015    

 

  

 Balance at January 1

      (1,828 )      (2,059)    

 Post-retirement benefits liability adjustment:

     

Current period change excluding amounts reclassified from accumulated other
comprehensive income

      100        (176)    

Amounts reclassified from accumulated other comprehensive income

      108        126     

 

  

 Balance at September 30

      (1,620 )      (2,109)    

 

  

Amounts reclassified out of accumulated other comprehensive income (loss) - before-tax income (expense):

 

     Third Quarter    

     Nine Months

     to September 30

  
 millions of Canadian dollars    2016         2015             2016         2015    

 

  

 Amortization of post-retirement benefits liability adjustment included in net periodic benefit cost (a)

      (44 )      (57 )      (138 )      (170)    

 

  
 (a) This accumulated other comprehensive income component is included in the computation of net periodic benefit cost (note 4).

Income tax expense (credit) for components of other comprehensive income (loss):

 

     Third Quarter     

     Nine Months

     to September 30

  
 millions of Canadian dollars    2016          2015              2016          2015    

 

  

 Post-retirement benefits liability adjustments:

            

Post-retirement benefits liability adjustment (excluding amortization)

      -         -         37         (61)    

Amortization of post-retirement benefits liability adjustment included in net periodic benefit cost

      10         15         30         44     

 

  

 Total

      10         15         67         (17)