Earnings Per Share (Tables)

3 Months Ended

Dec. 31, 2021

Earnings Per Share [Abstract]

Earnings Per Share

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

	Three Months Ended December 31,
	2021		2020
Income Available to Ordinary Shareholders
Income from continuing operations	$	381	$	327
Income from discontinued operations	—		124
Basic and diluted income available to    shareholders	$	381	$	451
Weighted Average Shares Outstanding
Basic weighted average shares outstanding	704.3		723.1
Effect of dilutive securities:
Stock options, unvested restricted stock and      unvested performance share awards	5.2		3.4
Diluted weighted average shares outstanding	709.5		726.5
Antidilutive Securities
Options to purchase shares	—		0.2