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Derivative Instruments - Schedule of Gains/(Losses) of Economic Hedging Activity (Details) - SCE - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Derivative Instruments, Gain (Loss) [Line Items]
Realized	$ (37)	$ (187)	$ (81)	$ (313)
Unrealized	$ (122)	$ (19)	$ (111)	$ (56)

X

- Definition

The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, held at each balance sheet date, that was included In Regulatory Assets and Liabilities.

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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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The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings.

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