Goodwill (Tables)

3 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

(Dollars in millions)	Western Hemisphere			Eastern Hemisphere		Total
Balance at December 31, 2018	$	494		$	219	$	713
Impairment	(229		)	—		(229		)
Reclassification from held for sale	4			—		4
Foreign currency translation adjustments	12			4		16
Balance at March 31, 2019	$	281		$	223	$	504