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other income (Tables)
 12 Months Ended
Dec. 31, 2020
other income  
Schedule of other income

 

 

 

 

 

 

 

 

 

 

Years ended December 31 (millions)

    

Note

    

2020

    

2019

Government assistance

 

 

 

$

13

 

$

22

Other sublet revenue

 

19

 

 

 4

 

 

 2

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

 

 

 

 

(12)

 

 

24

Interest income

 

21(b)

 

 

 4

 

 

 4

Changes in business combination-related provisions

 

25

 

 

113

 

 

17

 

 

 

 

$

122

 

$

69