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Earnings per share (Tables)
12 Months Ended
Dec. 31, 2019
Earnings per share  
Summary of calculation of basic and diluted EPS

Year Ended December 31, 

    

2019

    

2018

2017

Income (loss) from continuing operations

$

83

$

(873)

$

(56)

Income (loss) from discontinued operations, net of tax

26

(377)

116

Net income (loss)

$

109

$

(1,250)

$

60

Weighted average number of common shares outstanding-basic

59.6

58.1

41.2

Weighted dilutive effect of equity awards

 

0.6

 

Weighted average number of common shares outstanding-diluted

60.2

58.1

41.2

Basic net income (loss) per common share:

Income (loss) from continuing operations

$

1.39

$

(15.03)

$

(1.36)

Income (loss) from discontinued operations, net of tax

0.44

(6.49)

2.82

Basic net income (loss) per common share

$

1.83

$

(21.52)

$

1.46

Diluted net income (loss) per common share:

Income (loss) from continuing operations

$

1.38

$

(15.03)

$

(1.36)

Income (loss) from discontinued operations, net of tax

0.43

(6.49)

2.82

Diluted net income (loss) per common share

$

1.81

$

(21.52)

$

1.46