Fair Value Measurements (Tables)

12 Months Ended

Apr. 30, 2023

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

The following table summarizes the assets and liabilities measured or disclosed at fair value on a recurring basis:

	2022				2023
April 30,	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Assets:
Cash and cash equivalents	$	868	$	868	$	374	$	374
Currency derivatives	48		48		16		16
Liabilities:
Currency derivatives	1		1		2		2
Contingent consideration (Note 12)	—		—		56		56
Short-term borrowings	—		—		235		235
Long-term debt (including current portion)	2,269		2,239		2,678		2,556