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Other comprehensive income (loss) information (Tables)
9 Months Ended
Sep. 30, 2017
Changes in Accumulated Other Comprehensive Income (Loss)

Changes in accumulated other comprehensive income (loss):

 

millions of Canadian dollars    2017     2016  

 

 

Balance at January 1

     (1,897     (1,828

Post-retirement benefits liability adjustment:

    

Current period change excluding amounts reclassified from accumulated other comprehensive
income

     41       100  

Amounts reclassified from accumulated other comprehensive income

     106       108  

 

 

Balance at September 30

     (1,750     (1,620

 

 

Amounts Reclassified Out of Accumulated Other Comprehensive Income (Loss) - Before-Tax Income (Expense)

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

 

     Third Quarter     Nine Months
to September 30
 
millions of Canadian dollars    2017     2016     2017     2016  
   

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

     (47     (44     (145     (138
   

(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)

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

 

     Third Quarter      Nine Months
to September 30
 
millions of Canadian dollars    2017      2016      2017      2016  
   

Post-retirement benefits liability adjustments:

           

Post-retirement benefits liability adjustment (excluding amortization)

     -        -        16        37  

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

     13        10        39        30  
   

Total

     13        10        55        67