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Committments and Contingent Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract] |
Schedule of Loss Contingencies by Contingency [Table Text Block] | maintain reserves for various contingent liabilities as follows:
| December 31,
Dollar amounts in millions | 2019 |  | 2018
Environmental reserves | $ | 10 |  |  | $ | 11 |
Other reserves | — |  |  | — |
Total contingencies | 10 |  |  | 11 |
Current portion | (2 | ) |  | (2 | )
Long-term portion | $ | 8 |  |  | $ | 9 |
Schedule of Environmental Loss Contingencies by Site [Table Text Block] | The activity in our reserve for estimated environmental loss contingency reserves for the last two years is summarized in the following table.
| Year ended December 31,
Dollar amounts in millions | 2019 |  | 2018
Beginning balance | $ | 11 |  |  | $ | 15 |
Adjusted to expense (income) during the year | 1 |  |  | (2 | )
Payments made | (1 | ) |  | (2 | )
Translation | — |  |  | — |
Ending balance | $ | 10 |  |  | $ | 11 |

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