Commitments and Contingent Liabilities (Tables)

3 Months Ended

Mar. 31, 2020

Commitments and Contingencies Disclosure [Abstract]

Environmental Liabilities [Table Text Block]

Environmental Reserves
($ in millions)	March 31, 2020	December 31, 2019
New Jersey Chrome	$116	$134
Glass and chemical	100	96
Other	83	74
Total	$299	$304
Current portion	$71	$62

Environmental Costs [Table Text Block]

Pretax charges against income for environmental remediation costs are included in Other charges in the accompanying condensed consolidated statement of income. The pretax charges and cash outlays related to such environmental remediation for the three months ended March 31, 2020 and 2019 were as follows:

	Three Months Ended March 31
($ in millions)	2020	2019
Environmental remediation pretax charges	$11	$16
Cash outlays for environmental remediation activities	$25	$16