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Debt (Tables) | 12 Months Ended
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Dec. 31, 2021
Debt |
Summary of long-term debt |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | December 31, | ​
(Millions of dollars) | ​ | ​ | 2021 | ​ | ​ | 2020 | ​
Term Loans due 2028 | ​ | $ | 677 | ​ | $ | 684 | ​
Foreign subsidiary obligations | ​ | ​ | 1 | ​ | ​ | 49 | ​
Other long-term debt | ​ | ​ | 39 | ​ | ​ | 30 | ​
Total debt at face value | ​ | ​ | 717 | ​ | ​ | 763 | ​
Current maturities and unamortized discount and costs | ​ | ​ | (9) | ​ | ​ | (56) | ​
Long-term debt, less current maturities and unamortized discount and costs | ​ | $ | 708 | ​ | $ | 707 | ​

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