Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Oct. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets and Goodwill [Table Text Block]

The following table shows the changes in goodwill (which includes no accumulated impairment losses) and other intangible assets during the six months ended October 31, 2020:

(Dollars in millions)	Goodwill		Other Intangible Assets
Balance at April 30, 2020	$	756	$	635
Sale of business (Note 14)	(4)		(1)
Foreign currency translation adjustment	7		20
Balance at October 31, 2020	$	759	$	654