Commitments and Contingencies - Environmental (Details) $ in Millions	Sep. 30, 2024 USD ($)
Public Utilities, General Disclosures [Line Items]
Legacy CCR Investigation and Remediation Costs	$ 4
Other MGP, Landfill, or Disposal Sites
Public Utilities, General Disclosures [Line Items]
Number of identified MGP, landfill, or disposal sites under current investigation and/or remediation	3

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