Variable Interest Entities (Recovery Funding) (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Variable Interest Entities
Other current assets	$ 335	$ 341
Regulatory assets: non-current	8,658	8,897
Regulatory liabilities: current	1,193	763
Current portion of long-term debt	1,698	2,697
Other current liabilities	1,387	1,538
Long-term debt	33,099	30,316
SCE Recovery Funding LLC
Variable Interest Entities
Other current assets	48	53
Regulatory assets: non-current	1,535	1,558
Regulatory liabilities: current	29	34
Current portion of long-term debt	48	47
Other current liabilities	6	6
Long-term debt	1,492	1,515
SCE
Variable Interest Entities
Other current assets	326	331
Regulatory assets: non-current	8,658	8,897
Regulatory liabilities: current	1,193	763
Current portion of long-term debt	798	2,197
Other current liabilities	1,390	1,535
Long-term debt	28,979	26,297
SCE | SCE Recovery Funding LLC
Variable Interest Entities
Debt carrying amount	1,600
Regulatory assets: non-current	1,535	1,558
Long-term debt	$ 1,492	$ 1,515