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.

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+ Details

PRESENTATION OF FINANCIAL INFORMATION - Narrative (Details) $ in Millions	Feb. 01, 2025 USD ($)	Mar. 31, 2026 member_system non-utility_member
Mountain Park Electric
Disaggregation of Revenue [Line Items]
Amount received for contract termination payment \| $	$ 86
Class A Members
Disaggregation of Revenue [Line Items]
Number of electric distribution member systems \| member_system		40
Non-Utility Members
Disaggregation of Revenue [Line Items]
Number of members \| non-utility_member		3