Trust Investments - Schedule of Accounts Receivable and Accounts Payable (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Nuclear Decommissioning Trust (NDT) Fund [Member]
Schedule of Trust Investments [Line Items]
Accounts Receivable	$ 18	$ 19
Accounts Payable	5	6
Rabbi Trust [Member]
Schedule of Trust Investments [Line Items]
Accounts Receivable	1	1
Accounts Payable	$ 0	$ 0