Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Apr. 30, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets and Goodwill [Table Text Block]

The following table shows the changes in goodwill (which include no accumulated impairment losses) and other intangible assets over the past two years: 

	Goodwill		Other Intangible Assets
Balance as of April 30, 2021	$	779	$	676
Foreign currency translation adjustment	(18)		(38)
Impairment	—		(52)
Balance as of April 30, 2022	761		586
Acquisitions (Note 12)	652		619
Foreign currency translation adjustment	44		55
Impairment	—		(96)
Balance as of April 30, 2023	$	1,457	$	1,164