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Financing Arrangements (Tables) | 12 Months Ended
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Dec. 31, 2021
Financing Arrangements |
Schedule of debt | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 2021 | ​ | 2020 | ​
​ | ​ | Carrying | ​ | Fair | ​ | Carrying | ​ | Fair | ​
(in millions) |  | Value |  | Value |  | Value |  | Value |
2.900% senior notes due June 1, 2030 | ​ | $ | 595 | ​ | $ | 619 | ​ | $ | 594 | ​ | $ | 596 | ​
3.200% senior notes due October 1, 2026 | ​ | ​ | 498 | ​ | ​ | 531 | ​ | ​ | 497 | ​ | ​ | 500 | ​
3.900% senior notes due June 1, 2050 | ​ | ​ | 390 | ​ | ​ | 455 | ​ | ​ | 390 | ​ | ​ | 395 | ​
6.625% senior notes due April 15, 2037 | ​ | ​ | 253 | ​ | ​ | 350 | ​ | ​ | 253 | ​ | ​ | 246 | ​
Revolving credit agreement | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​
Other long-term borrowings | ​ | ​ | 2 | ​ | ​ | 2 | ​ | ​ | 14 | ​ | ​ | 14 | ​
Total long-term debt | ​ | ​ | 1,738 | ​ | ​ | 1,957 | ​ | ​ | 1,748 | ​ | ​ | 1,751 | ​
Term loan credit agreement due April 12, 2021 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 380 | ​ | ​ | 380 | ​
Commercial paper | ​ | ​ | 250 | ​ | ​ | 250 | ​ | ​ | — | ​ | ​ | — | ​
Other short-term borrowings | ​ | ​ | 58 | ​ | ​ | 58 | ​ | ​ | 58 | ​ | ​ | 58 | ​
Total short-term borrowings | ​ | ​ | 308 | ​ | ​ | 308 | ​ | ​ | 438 | ​ | ​ | 438 | ​
Total debt | ​ | $ | 2,046 | ​ | $ | 2,265 | ​ | $ | 2,186 | ​ | $ | 2,189 | ​

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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