Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Jan. 31, 2019

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 nine months ended January 31, 2019:

(Dollars in millions)	Goodwill			Other Intangible Assets
Balance at April 30, 2018	$	763		$	670
Foreign currency translation adjustment	(9		)	(19		)
Balance at January 31, 2019	$	754		$	651