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Interest Expense, Net | 12 Months Ended
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Dec. 31, 2018
Interest Expense [Abstract] |
Interest Expense, Net | Interest Expense, Net
Year Ended December 31, (in millions) | 2018 |  | 2017 |  | 2016
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 The entire disclosure for interest income and interest expense for enterprises that derive a significant portion of their revenue from interest collected on investments, loans, and securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.1-12) -URI http://asc.fasb.org/extlink&oid=114873765&loc=SL114874048-224260 + Details
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