Derivative Instruments (Balance Sheet) (Details) - SCE - Commodity derivative contracts - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Derivative Liabilities
Cash collateral posted for liability	$ 161
Net Asset
Gross amounts recognized	(39)	$ 339
Gross amounts offset in the consolidated balance sheets	0
Netting and Collateral, Total	52	(99)
Net amounts presented in the consolidated balance sheets	13	240
Other Current Assets
Derivative Assets
Gross amounts recognized	24	459
Gross amounts offset in the consolidated balance sheets	(11)	(119)
Cash collateral received	0	(99)
Net amounts presented in the consolidated balance sheets	13	241
Derivative Liabilities
Cash collateral not offset against liability	109
Other Current Liabilities
Derivative Liabilities
Gross amounts recognized	63	120
Gross amounts offset in the consolidated balance sheets	(11)	(119)
Cash collateral posted	(52)
Net amounts presented in the consolidated balance sheets	$ 0	$ 1

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