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Interest Expense, Net (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Interest Expense [Abstract] |  |  |
Interest on long-term debt | $ 342.2 | $ 354.8 | $ 352.3
Interest on short-term borrowings | 31.8 | 14.9 | 9.2
Debt discount/cost amortization | 7.7 | 7.2 | 7.6
Accounts receivable securitization fees | 2.6 | 2.5 | 2.3
Allowance for borrowed funds used and interest capitalized during construction | (9.1) | (6.2) | (5.6)
Debt-based post-in-service carrying charges | (35.0) | (36.4) | (35.1)
Other | 13.1 | 16.4 | 18.8
Total Interest Expense, net | $ 353.3 | $ 353.2 | $ 349.5

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- Definition Securitization transaction fees + References No definition available. + Details
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