Trust Investments - Schedule Of Accounts Receivable And Accounts Payable (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Nuclear Decommissioning Trust (NDT) Fund [Member]
Schedule of Trust Investments [Line Items]
Accounts Receivable	$ 21	$ 19
Accounts Payable	14	6
Rabbi Trust [Member]
Schedule of Trust Investments [Line Items]
Accounts Receivable	2	1
Accounts Payable	$ 0	$ 0