Commitments and Contingent Liabilities (Tables)

12 Months Ended

Dec. 31, 2020

Commitments and Contingencies Disclosure [Abstract]

Schedule of Loss Contingencies by Contingency

Environmental Reserves
($ in millions)	2020	2019
New Jersey Chrome	$102	$134
Glass and chemical	106	96
Other	92	74
Total	$300	$304
Current Portion	$99	$62

Environmental Costs

The pretax charges and cash outlays related to such environmental remediation in 2020, 2019 and 2018, were as follows:

($ in millions)	2020	2019	2018
New Jersey Chrome	$15	$43	$62
Glass and chemical	15	12	8
Other	8	22	8
Total	$38	$77	$78
Cash outlays for environmental spending	$60	$77	$64