Three Months Ended

Six Months Ended

June 30

(in millions of U.S. dollars, except share and per share data)

2020

2019

2020

2019

Numerator:

Net income (loss)

$

(331)

$

1,150

$

(79)

$

2,190

Denominator:

Denominator for basic earnings per share:

Weighted-average shares outstanding

451,402,807

457,224,455

451,635,733

458,010,447

Denominator for diluted earnings per share:

Share-based compensation plans ⁽¹⁾

—

2,945,237

—

2,863,109

Weighted-average shares outstanding and assumed conversions

451,402,807

460,169,692

451,635,733

460,873,556

Basic earnings (loss) per share

$

(0.73)

$

2.52

$

(0.17)

$

4.78

Diluted earnings (loss) per share

$

(0.73)

$

2.50

$

(0.17)

$

4.75

Potential anti-dilutive share conversions

8,378,447

2,660,925

6,583,319

5,037,959