Fair Value Measurements (Tables)

9 Months Ended

Jan. 31, 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:

	April 30, 2022				January 31, 2023
	Carrying		Fair		Carrying		Fair
(Dollars in millions)	Amount		Value		Amount		Value
Assets
Cash and cash equivalents	$	868	$	868	$	428	$	428
Currency derivatives, net	48		48		18		18
Liabilities
Currency derivatives, net	1		1		1		1
Short-term borrowings	—		—		1,004		1,004
Long-term debt (including current portion)	2,269		2,239		2,024		1,915