Earnings Per Share (Tables)

9 Months Ended

Jun. 30, 2021

The following table reconciles the numerators and denominators used to calculate basic and diluted earnings per share (in millions):


	Three Months Ended June 30,				Nine Months Ended June 30,
	2021		2020		2021		2020
Income (Loss) Available to Ordinary Shareholders
Income (loss) from continuing operations	$	574	$	(182)	$	1,244	$	190
Income from discontinued operations	—		—		124		—
Basic and diluted income (loss) available to shareholders	$	574	$	(182)	$	1,368	$	190

Weighted Average Shares Outstanding
Basic weighted average shares outstanding	714.5		744.0		718.2		756.3
Effect of dilutive securities:
Stock options, unvested restricted stock and unvested performance share awards	5.2		—		4.3		2.6
Diluted weighted average shares outstanding	719.7		744.0		722.5		758.9

Antidilutive Securities
Options to purchase shares	—		—		0.1		1.6

For the three months ended June 30, 2020, the total number of potential dilutive shares due to stock options, unvested restricted stock and unvested performance share awards was 1.5 million. However, these items were not included in the computation of diluted loss per share for the three months ended June 30, 2020 since to do so would decrease the loss per share.