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other operating income (Tables)
 12 Months Ended
Dec. 31, 2018
other operating income  
Schedule of other operating income

 

 

 

 

 

 

 

 

 

 

Years ended December 31 (millions)

    

Note

    

2018

    

2017

Government assistance, including deferral account amortization

 

 

 

$

23

 

$

32

Investment income, gain (loss) on disposal of assets and other

 

21

 

 

230

 

 

45

Changes in business combination-related accrued receivable and provisions

 

 

 

 

17

 

 

26

Interest income

 

21(c)

 

 

 3

 

 

 —

 

 

 

 

$

273

 

$

103