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Earnings per Common Share (Tables)
12 Months Ended
Dec. 31, 2022
Earnings per Common Share  
Schedule of earnings per common share

($ millions)

    

2022

    

2021

  

Net earnings

 

9 077

 

4 119

(millions of common shares)

Weighted average number of common shares

 

1 387

 

1 488

Dilutive securities:

Effect of share options

 

3

 

1

Weighted average number of diluted common shares

 

1 390

 

1 489

(dollars per common share)

Basic earnings per share

 

6.54

 

2.77

Diluted earnings per share

 

6.53

 

2.77