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Regulatory Matters: Winter Storm Uri (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Public Utilities, General Disclosures [Line Items] |  |
Regulatory assets | $ 480.1 | $ 653.0
Storm Costs |  |
Public Utilities, General Disclosures [Line Items] |  |
Regulatory assets | $ 199.6 | 348.0
Regulatory Asset, Amortization Period | 2 years 2 months 12 days |
Deferred gas cost adjustments |  |
Public Utilities, General Disclosures [Line Items] |  |
Regulatory assets | $ 4.1 | $ 12.2

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- Definition Amortization period for the recovery of regulatory asset, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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