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v3.22.2.2

Risk Management Activities (Narrative) (Details) mMDth in Millions, $ in Millions |  | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 07, 2022 USD ($) | Sep. 30, 2022 USD ($) mMDth | Dec. 31, 2021 USD ($) mMDth
Derivative [Line Items] |  |  |
Limit of GCA Volumes |  | 20.00% |
Derivative, Gain (Loss) on Derivative, Net | $ 10.2 |  |
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net |  | $ 0.0 | $ 0.0
Minimum |  |  |
Derivative [Line Items] |  |  |
Commodity Contract Length |  | 1 year |
Maximum |  |  |
Derivative [Line Items] |  |  |
Commodity Contract Length |  | 5 years |
Senior Notes | NiSource |  |  |
Derivative [Line Items] |  |  |
Senior Notes | $ 350.0 |  |
Debt, Weighted Average Interest Rate | 5.00% |  |
Interest Rate Swap |  |  |
Derivative [Line Items] |  |  |
Derivative, Notional Amount | $ 250.0 | $ 250.0 |
Natural Gas |  |  |
Derivative [Line Items] |  |  |
Derivative, Nonmonetary Notional Amount | mMDth |  | 108.0 | 124.5

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