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Commitments and Contingent Liabilities (Tables) | 3 Months Ended
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Mar. 31, 2024
Commitments and Contingencies Disclosure [Abstract] |
Environmental Liabilities [Table Text Block] |
Environmental Reserves
($ in millions) | March 31, 2024 |  | December 31, 2023
New Jersey Chrome | $50 |  |  | $53 |
Glass and chemical | 53 |  |  | 54 |
Other | 117 |  |  | 120 |
Total environmental reserves | $220 |  |  | $227 |
Current portion | $45 |  |  | $52 |
Environmental Costs [Table Text Block] | Pretax charges against income for environmental remediation costs are included in Other charges/(income), net in the accompanying condensed consolidated statement of income. The pretax charges and cash outlays related to such environmental remediation for the three months ended March 31, 2024 and 2023 were as follows:
| Three Months Ended March 31 |  |
($ in millions) | 2024 |  | 2023 |  |  |  |
Environmental remediation pretax charges | $3 |  |  | $3 |  |  |  |  |
Cash outlays for environmental remediation activities | $8 |  |  | $9 |  |  |  |  |

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- Definition Environmental Liabilities [Table Text Block] + References No definition available. + Details
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