SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - (Nuclear Decommissioning Trusts) (Narrative) (Details)	12 Months Ended
Dec. 31, 2025 facility
Diablo Canyon \| Utility
Public Utility, Property, Plant and Equipment [Line Items]
Number of generation facilities	2

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.

No definition available.

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Balance Type:	na
Period Type:	duration