Derivative Instruments - Narrative (Details) - SCE - Commodity Contract - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Derivatives
Cash collateral posted for liability	$ 74
Cash collateral posted/received	46	$ 74
Other Current Liabilities
Derivatives
Cash collateral posted/received	46
Other Current Assets
Derivatives
Cash collateral not offset against liability	$ 28

Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities.

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Amount of right to receive cash collateral under master netting arrangements offset against derivative liabilities.

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Fair value of securities pledged as collateral against derivative liabilities.

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