Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Jan. 31, 2026

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

The following table shows the changes in goodwill (which includes no accumulated impairment losses) during the nine months ended January 31, 2026:

(Dollars in millions)	Goodwill
Balance at April 30, 2025	$	1,505
Foreign currency translation adjustment	31
Balance at January 31, 2026	$	1,536

Schedule of Indefinite-Lived Intangible Assets [Table Text Block]

The following table presents details of our other intangible assets as of April 30, 2025 and January 31, 2026, respectively:

	April 30, 2025						January 31, 2026
(Dollars in millions)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Definite-lived intangible assets:
Supply contract	$	—	$	—	$	—	$	88	$	(6)	$	82
Indefinite-lived intangible assets:
Trademarks and brand names	981				981		1,006				1,006
Total other intangible assets	$	981			$	981	$	1,094			$	1,088