Earnings Per Share (Notes)

12 Months Ended

Sep. 30, 2021

Earnings Per Share [Abstract]

EARNINGS PER SHARE

EARNINGS PER SHARE

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

	Year Ended September 30,
	2021		2020		2019
Income Available to Ordinary Shareholders
Income from continuing operations	$	1,513	$	631	$	1,100
Income from discontinued operations	124		—		4,574
Basic and diluted income available to shareholders	$	1,637	$	631	$	5,674
Weighted Average Shares Outstanding
Basic weighted average shares outstanding	716.6		751.0		870.2
Effect of dilutive securities:
Stock options, unvested restricted stock and unvested    performance share awards	4.5		2.6		4.1
Diluted weighted average shares outstanding	721.1		753.6		874.3
Antidilutive Securities
Options to purchase shares	—		1.4		1.4