Acquisitions and Divestitures Acquisitions & Divestitures (Tables)

3 Months Ended

Mar. 31, 2017

Business Combinations [Abstract]

Disposal Groups, Including Discontinued Operations [Table Text Block]

The net sales and income from discontinued operations related to the flat glass business for the three months ended March 31, 2016 were as follows:

	Three Months Ended March 31
($ in millions)	2016
Net sales	$	128
Income from operations	$	15
Income tax expense	5
Income from discontinued operations, net of tax	$	10