MGP, Landfill and Disposal Sites (Details) $ in Millions	Jun. 30, 2024 USD ($)
Manufactured Gas Plant (MGP) Site [Abstract]
Cost of identified MGP, landfill, or disposal sites under current investigation and/or remediation	$ 20
Other MGP, Landfill, or Disposal Sites [Domain]
Manufactured Gas Plant (MGP) Site [Abstract]
Number of identified MGP, landfill, or disposal sites under current investigation and/or remediation	13

Cost of identified MGP, landfill, or disposal sites under current investigation and/or remediation

No definition available.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant