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Rate Matters and Regulation - Additional Information (Details) $ in Millions	Jun. 30, 2026 USD ($)
Rate Matters and Regulation [Line Items]
Estimated Refund to SPP	$ 14
Impact to Company [Member]
Rate Matters and Regulation [Line Items]
Estimated Refund to SPP	4
Customer Impact [Member]
Rate Matters and Regulation [Line Items]
Estimated Refund to SPP	$ 10

X

- Definition

Estimated Refund to SPP

+ References

No definition available.

+ Details

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Period Type:	instant

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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X

- Details

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Balance Type:
Period Type:

X

- Details

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Period Type: