Earnings Per Share (Tables)

3 Months Ended

Dec. 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 December 31,
	2019		2018
Income Available to Ordinary Shareholders
Income from continuing operations	$	159	$	107
Income from discontinued operations	—		248
Basic and diluted income available to    shareholders	$	159	$	355
Weighted Average Shares Outstanding
Basic weighted average shares outstanding	769.9		921.6
Effect of dilutive securities:
Stock options, unvested restricted stock and      unvested performance share awards	4.1		3.6
Diluted weighted average shares outstanding	774.0		925.2
Antidilutive Securities
Options to purchase shares	0.2		2.7