Commitments and Contingent Liabilities (Tables)

6 Months Ended

Jun. 30, 2019

Commitments and Contingencies Disclosure [Abstract]

Environmental Liabilities [Table Text Block]

Environmental Reserves
($ in millions)	June 30, 2019		December 31, 2018
New Jersey Chrome		$148		$151
Glass and chemical	73		90
Other	72		50
Total		$293		$291
Current portion		$110		$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 and six months ended June 30, 2019 and 2018 were as follows:

	Three Months Ended June 30				Six Months Ended June 30
($ in millions)	2019		2018		2019		2018
Environmental remediation pre-tax charges		$35		$1		$51		$35
Cash outlays for environmental remediation activities		$20		$14		$36		$31