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Interest Expense, Net | 12 Months Ended
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Dec. 31, 2021
Interest Expense [Abstract] |
Interest Expense, Net | Interest Expense, Net
Year Ended December 31, (in millions) | 2021 |  | 2020 |  | 2019
Interest on long-term debt | $ | 336.4 |  |  | $ | 354.2 |  |  | $ | 327.7 |
Interest on short-term borrowings | 0.6 |  |  | 14.7 |  |  | 50.8 |
Debt discount/cost amortization | 11.0 |  |  | 9.1 |  |  | 8.3 |
Accounts receivable securitization fees | 1.4 |  |  | 2.6 |  |  | 2.6 |
Allowance for borrowed funds used and interest capitalized during construction | (4.6) |  |  | (7.0) |  |  | (7.5) |
Debt-based post-in-service carrying charges | (14.7) |  |  | (14.6) |  |  | (18.7) |
Other | 11.0 |  |  | 11.7 |  |  | 15.7 |
Total Interest Expense, net | $ | 341.1 |  |  | $ | 370.7 |  |  | $ | 378.9 |

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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=120399700&loc=SL114874048-224260 + Details
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