Acquisitions and Divestitures (Tables)

9 Months Ended

Sep. 30, 2018

Business Combinations [Abstract]

Disposal Groups, Including Discontinued Operations [Table Text Block]

The net sales and income from discontinued operations related to the former Glass reportable business segment for the three and nine months ended September 30, 2018 and 2017 were as follows:

($ in millions)	Three Months Ended September 30				Nine Months Ended September 30
	2018		2017		2018		2017
							As Restated
Net sales		$—		$50		$—		$217
Income from operations		$13		$5		$21		$26
Net gain on divestiture of North American fiber glass business	—		343		—		343
Income tax expense	3		131		5		139
Income from discontinued operations, net of tax		$10		$217		$16		$230