Earnings Per Share (Tables)

3 Months Ended

Jul. 31, 2025

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)	2024		2025
Net income available to common stockholders	$	195	$	170
Share data (in thousands):
Basic average common shares outstanding	472,637		472,724
Dilutive effect of stock-based awards	304		239
Diluted average common shares outstanding	472,941		472,963
Basic earnings per share	$	0.41	$	0.36
Diluted earnings per share	$	0.41	$	0.36