Long-Term Debt (Narrative) (Details) $ in Millions |
Jun. 27, 2025
USD ($)
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Mar. 27, 2025
USD ($)
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Jun. 30, 2025
USD ($)
MW
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|---|---|---|---|
| NiSource | |||
| Debt Instrument [Line Items] | |||
| Senior Notes | $ 900.0 | ||
| Rosewater | |||
| Debt Instrument [Line Items] | |||
| Nameplate Capacity | MW | 102 | ||
| Senior Notes | NiSource | |||
| Debt Instrument [Line Items] | |||
| Senior Notes | $ 750.0 | $ 750.0 | $ 1,500.0 |
| Debt, Weighted Average Interest Rate | 5.85% | 5.85% | |
| Proceeds from Debt, Net of Issuance Costs | $ 1,616.0 | $ 739.6 | |
| Unsecured Debt | NiSource | |||
| Debt Instrument [Line Items] | |||
| Debt, Weighted Average Interest Rate | 5.35% |
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- Definition Nameplate Capacity No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Weighted average interest rate of debt outstanding. No definition available.
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- Definition The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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