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Interest Expense, Net (Tables) | 12 Months Ended
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Dec. 31, 2024
Interest Expense, Operating and Nonoperating [Abstract] |
Schedule Of Interest Expense, Net |
Year Ended December 31, (in millions) | 2024 |  | 2023 |  | 2022
Interest on long-term debt | $ | 506.2 |  |  | $ | 404.1 |  |  | $ | 344.5 |
Interest on short-term borrowings | 43.2 |  |  | 108.9 |  |  | 22.7 |
Debt discount/cost amortization | 13.8 |  |  | 13.5 |  |  | 11.7 |
Accounts receivable securitization fees | 1.5 |  |  | 2.7 |  |  | 2.5 |
Allowance for borrowed funds used and interest capitalized during construction | (40.1) |  |  | (25.3) |  |  | (6.7) |
Debt-based post-in-service carrying charges | (26.4) |  |  | (30.7) |  |  | (21.1) |
Other | 19.0 |  |  | 16.4 |  |  | 8.0 |
Total Interest Expense, net | $ | 517.2 |  |  | $ | 489.6 |  |  | $ | 361.6 |

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