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QUARTERLY FINANCIAL DATA (UNAUDITED)
12 Months Ended
Dec. 31, 2019
Quarterly Financial Information Disclosure [Abstract]  
QUARTERLY FINANCIAL DATA (UNAUDITED) QUARTERLY FINANCIAL DATA (UNAUDITED)
 
Q1

Q2

Q3

Q4

Total

(unaudited; millions of Canadian dollars, except per share amounts)
 
 
 
 
 
2019
 
 
 
 
 
Operating revenues
12,856

13,263

11,598

12,352

50,069

Operating income
2,619

2,285

1,588

1,768

8,260

Earnings
2,023

1,830

1,060

914

5,827

Earnings attributable to controlling interests
1,986

1,832

1,045

842

5,705

Earnings attributable to common shareholders
1,891

1,736

949

746

5,322

Earnings per common share
 
 
 
 
 
Basic
0.94

0.86

0.47

0.37

2.64

Diluted
0.94

0.86

0.47

0.36

2.63

2018
 
 
 
 
 
Operating revenues
12,726

10,745

11,345

11,562

46,378

Operating income
878

1,571

854

1,513

4,816

Earnings
510

1,327

213

1,283

3,333

Earnings attributable to controlling interests
534

1,160

4

1,184

2,882

Earnings/(loss) attributable to common shareholders
445

1,071

(90
)
1,089

2,515

Earnings/(loss) per common share
 
 
 
 
 
Basic
0.26

0.63

(0.05
)
0.60

1.46

Diluted
0.26

0.63

(0.05
)
0.60

1.46