Earnings Per Share (Tables)

12 Months Ended

Apr. 30, 2022

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: 

	2020		2021		2022
Net income available to common stockholders	$	827	$	903	$	838
Share data (in thousands):
Basic average common shares outstanding	477,765		478,527		478,879
Dilutive effect of stock-based awards	2,644		2,150		1,686
Diluted average common shares outstanding	480,409		480,677		480,565
Basic earnings per share	$	1.73	$	1.89	$	1.75
Diluted earnings per share	$	1.72	$	1.88	$	1.74