Earnings Per Share (Tables)

6 Months Ended

Mar. 31, 2019

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 March 31,				Six Months Ended March 31,
	2019		2018		2019		2018
Income Available to Ordinary Shareholders
Income from continuing operations	$	240	$	184	$	347	$	109
Income from discontinued operations	275		254		523		559
Basic and diluted income available to    shareholders	$	515	$	438	$	870	$	668
Weighted Average Shares Outstanding
Basic weighted average shares outstanding	902.5		926.2		912.1		926.2
Effect of dilutive securities:
Stock options, unvested restricted stock and      unvested performance share awards	3.4		6.3		3.5		6.7
Diluted weighted average shares outstanding	905.9		932.5		915.6		932.9
Antidilutive Securities
Options to purchase shares	2.2		1.4		2.4		1.2