Earnings Per Share (Tables)

9 Months Ended

Jan. 31, 2021

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following table presents information concerning basic and diluted earnings per share:

	Three Months Ended				Nine Months Ended
	January 31,				January 31,
(Dollars in millions, except per share amounts)	2020		2021		2020		2021
Net income available to common stockholders	$	231	$	219	$	699	$	783
Share data (in thousands):
Basic average common shares outstanding	477,898		478,599		477,643		478,471
Dilutive effect of stock-based awards	2,859		2,237		2,793		2,194
Diluted average common shares outstanding	480,757		480,836		480,436		480,665
Basic earnings per share	$	0.48	$	0.46	$	1.46	$	1.64
Diluted earnings per share	$	0.48	$	0.45	$	1.45	$	1.63