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Commitments and Contingent Liabilities (Tables)
 12 Months Ended
Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Loss Contingencies by Contingency
Environmental Reserves
($ in millions)20212020
New Jersey Chrome$89 $102 
Glass and chemical83 106 
Other110 92 
Total$282 $300 
Current Portion$97 $99 
Environmental Costs The pretax charges and cash outlays related to such environmental remediation in 2021, 2020 and 2019, were as follows:
($ in millions)202120202019
New Jersey Chrome$25 $15 $43 
Glass and chemical12 15 12 
Other7 8 22 
Total$44 $38 $77 
Cash outlays for environmental spending$56 $60 $77