Trust Investments - Schedule of Accounts Receivable and Accounts Payable (Details) - Nuclear Decommissioning Trust (NDT) Fund [Member] - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Schedule of Trust Investments [Line Items]
Accounts Receivable	$ 23	$ 18
Accounts Payable	$ 16	$ 5

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