Derivative Instruments - Summarizes the Gross and Net Fair Values (Details) - SCE - Commodity Contract - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Derivative Assets Short-Term
Gross amounts recognized	$ 213	$ 94
Gross amounts offset in the consolidated balance sheets	(1)	(3)
Cash collateral posted	0	0
Net amounts presented in the consolidated balance sheets	212	91
Derivative Liabilities Short-Term
Gross amounts recognized	47	77
Gross amounts offset in the consolidated balance sheets	(1)	(3)
Cash collateral posted	(46)	(74)
Net amounts presented in the consolidated balance sheets	$ 0	$ 0

Amount of obligation to return cash collateral under master netting arrangements offset against derivative assets.

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