Net Income (Loss) per Share (Tables)

The following table summarizes the reconciliation of the basic weighted average number of shares outstanding and the diluted weighted average number of shares outstanding:


	Years ended
		December 31, 2024		December 31, 2023		December 31, 2022







		(in US $ millions, except share and share price amounts)
Numerator:
Net income (loss)		2,019		132		(3,460)
After tax effect of debt interest(1)		—		1		—
Net (loss) income after tax effected debt interest		2,019		133		(3,460)

Denominator:
Basic weighted average number of shares outstanding		1,289,812,124		1,281,554,559		1,266,268,155
Weighted average effect of dilutive securities:
Stock options		3,988,316		4,586,659		—
Restricted share units		1,307,610		2,974,367		—
Convertible senior notes		6,388,480		6,388,480		—
Deferred share units		13,450		7,320		—
Diluted weighted average number of shares		1,301,509,980		1,295,511,385		1,266,268,155

Net income (loss) per share:
Basic		$	1.57	$	0.10	$	(2.73)
Diluted		$	1.55	$	0.10	$	(2.73)

Common stock equivalents excluded from net income (loss) per diluted share because they are anti-dilutive:
Stock options		858,528		150,558		14,008,761
Restricted share units		459,136		1,058,628		10,218,906
Convertible senior notes		—		—		6,388,480
Deferred share units		125		—		11,413
		1,317,789		1,209,186		30,627,560

(1) When the Notes are dilutive, the after tax effect of debt interest is added back to net income to calculate diluted net income per share.