Discontinued Operations (Tables)

9 Months Ended

Sep. 30, 2019

Discontinued Operations and Disposal Groups [Abstract]

Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block]

Discontinued operations are summarized as follows:

	Three Months Ended September 30				Nine Months Ended September 30
	2019		2018		2019			2018
	(Dollars in Millions)
Cost of sales	$	—	$	—	$	(1	)	$	—
Selling, general and administrative expenses	—		—		—			(1		)
Restructuring, net	—		—		1			(1		)
Gain on divestitures	—		1		—			4
Income from discontinued operations, net of tax	$	—	$	1	$	—		$	2