Earnings Per Share (Tables)

3 Months Ended

Jul. 31, 2023

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
	July 31,
(Dollars in millions, except per share amounts)	2022		2023
Net income available to common stockholders	$	249	$	231
Share data (in thousands):
Basic average common shares outstanding	479,079		479,353
Dilutive effect of stock-based awards	1,365		1,030
Diluted average common shares outstanding	480,444		480,383
Basic earnings per share	$	0.52	$	0.48
Diluted earnings per share	$	0.52	$	0.48