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Other Commitments And Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2022
Commitments and Contingencies Disclosure [Abstract] |
Contractual Obligation, Fiscal Year Maturity | Contractual Obligations. We have certain contractual obligations requiring payments at specified periods. The obligations include long-term debt, lease obligations, energy commodity contracts and obligations for various services including pipeline capacity and outsourcing of IT services. The total contractual obligations in existence at December 31, 2022 and their maturities were:
(in millions) | Total |  | 2023 |  | 2024 |  | 2025 |  | 2026 |  | 2027 |  | After
Long-term debt (1) | $ | 9,455.0 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,260.0 |  |  | $ | — |  |  | $ | 1,090.0 |  |  | $ | 7,105.0 |
Interest payments on long-term debt | 5,890.4 |  |  | 351.6 |  |  | 351.6 |  |  | 351.6 |  |  | 339.1 |  |  | 319.7 |  |  | 4,176.8 |
Finance leases(2) | 226.5 |  |  | 38.9 |  |  | 30.9 |  |  | 24.5 |  |  | 19.4 |  |  | 15.4 |  |  | 97.4 |
Operating leases(3) | 43.3 |  |  | 7.9 |  |  | 6.4 |  |  | 5.8 |  |  | 5.3 |  |  | 4.5 |  |  | 13.4 |
Energy commodity contracts | 231.7 |  |  | 119.7 |  |  | 76.0 |  |  | 36.0 |  |  | — |  |  | — |  |  | — |
Service obligations: |  |  |  |  |  |  |  |  |  |  |  |  |
Pipeline service obligations | 2,484.9 |  |  | 642.2 |  |  | 556.9 |  |  | 410.5 |  |  | 337.2 |  |  | 328.8 |  |  | 209.3 |
IT service obligations | 177.4 |  |  | 71.9 |  |  | 50.0 |  |  | 41.3 |  |  | 11.4 |  |  | 2.8 |  |  | — |
Other liabilities(4) | 654.2 |  |  | 612.5 |  |  | 6.2 |  |  | 5.9 |  |  | 5.2 |  |  | 5.2 |  |  | 19.2 |
Total contractual obligations | $ | 19,163.4 |  |  | $ | 1,844.7 |  |  | $ | 1,078.0 |  |  | $ | 2,135.6 |  |  | $ | 717.6 |  |  | $ | 1,766.4 |  |  | $ | 11,621.1 |
(1) Long-term debt balance excludes unamortized issuance costs and discounts of $76.1 million. (2) Finance lease payments shown above are inclusive of interest totaling $51.8 million. (3) Operating lease payments shown above are inclusive of interest totaling $6.6 million. Operating lease balances do not include obligations for possible fleet vehicle lease renewals beyond the initial lease term. While we have the ability to renew these leases beyond the initial term, we are not reasonably certain to do so as they are renewed month-to-month after the first year. (4)Other liabilities shown above are inclusive of the Rosewater, Indiana Crossroads Wind, and Indiana Crossroads Solar Developer payments due in 2023 and Equity Unit purchase contract liability payments to be made in 2023.

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- Definition Tabular disclosure of contractual obligation by timing of payment due. Includes, but is not limited to, long-term debt obligation, lease obligation, and purchase obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 303 -Paragraph (a) -Subparagraph (5) + Details
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