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v3.23.1

Long-Term Debt (Tables) | 3 Months Ended
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Mar. 31, 2023
Debt Disclosure [Abstract] |
Long-Term Debt |
|  | March 31, |  |  | December 31, |
|  | 2023 |  |  | 2022 |
|  | (Dollars in Millions) |
0.650% Senior Notes, due 2023 (discharged) |  | $ | 699.6 |  |  | $ | 699.1 |
4.250% Senior Notes, due 2024 |  |  | 399.1 |  |  |  | 398.9 |
7% Debentures, due 2025 |  |  | 124.7 |  |  |  | 124.7 |
3.450% Senior Notes, due 2027 |  |  | 298.4 |  |  |  | 298.3 |
3.500% Senior Notes, due 2027 |  |  | 491.7 |  |  |  | 491.5 |
2.500% Senior Notes, due 2030 |  |  | 470.8 |  |  |  | 470.5 |
2.400% Senior Notes, due 2031 |  |  | 888.8 |  |  |  | 888.6 |
6.25% Senior Notes, due 2037 |  |  | 228.4 |  |  |  | 228.4 |
4.250% Senior Notes, due 2047 |  |  | 590.2 |  |  |  | 590.2 |
3.200% Senior Notes, due 2051 |  |  | 849.9 |  |  |  | 849.8 |
Total debt |  |  | 5,041.6 |  |  |  | 5,040.0 |
Less: current maturities |  |  | (699.6 | ) |  |  | (699.1 | )
Long-term debt |  | $ | 4,342.0 |  |  | $ | 4,340.9 |

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