Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Jul. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets and Goodwill [Table Text Block]

The following table summarizes the changes in goodwill and other intangible assets during the three months ended July 31, 2016:

(Dollars in millions)	Goodwill			Other Intangible Assets
Balance at April 30, 2016	$	590		$	595
Acquisitions (Note 14)	182			65
Foreign currency translation adjustment	(16		)	(11		)
Balance at July 31, 2016	$	756		$	649