Commitments and Contingent Liabilities (Tables)

3 Months Ended

Mar. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

Environmental Liabilities [Table Text Block]

Environmental Reserves
($ in millions)	March 31, 2019		December 31, 2018
New Jersey Chrome		$137		$151
Glass and chemical	68		90
Other	61		50
Total		$266		$291
Current portion		$109		$105

Environmental Costs [Table Text Block]

Pre-tax charges against income for environmental remediation costs are included in Other charges in the accompanying condensed consolidated statement of income. The pre-tax charges and cash outlays related to such environmental remediation for the three months ended March 31, 2019 and 2018 were as follows:

	Three Months Ended March 31
($ in millions)	2019		2018
Environmental remediation pre-tax charges		$16		$34
Cash outlays for environmental remediation activities		$16		$17