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v3.23.1

Risk Management Activities (Narrative) (Details) mMDth in Millions, $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 USD ($) mMDth | Dec. 31, 2022 USD ($) mMDth
Derivative [Line Items] |  |
Limit of GCA Volumes | 20.00% |
Derivative Asset, Subject to Master Netting Arrangement, after Offset | $ | $ 45.0 | $ 81.8
Minimum |  |
Derivative [Line Items] |  |
Commodity Contract Length | 1 year |
Maximum |  |
Derivative [Line Items] |  |
Commodity Contract Length | 4 years |
Natural Gas |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount | mMDth | 92.8 | 99.0
Interest Rate Risk |  |
Derivative [Line Items] |  |
Maximum Length of Time Hedged in Interest Rate Cash Flow Hedge | 350 months |

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