Investments (Trust Info) (Details) - USD ($) $ in Billions	Mar. 31, 2024	Dec. 31, 2023
SCE
Investments
Cumulative unrealized holding gains, net of losses	$ 1.8	$ 1.8

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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