Variable Interest Entities - Summarizes of Recovery Funding (Details) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Variable Interest Entities
Other current assets	$ 377	$ 418
Regulatory assets: non-current	10,548	8,886
Regulatory liabilities: current	563	1,347
Current portion of long-term debt	2,999	2,049
Other current liabilities	1,373	1,439
Long-term debt	35,387	33,534
SCE Recovery Funding LLC
Variable Interest Entities
Other current assets	72	49
Regulatory assets: non-current	1,500	1,512
Regulatory liabilities: current	27	30
Current portion of long-term debt	49	49
Other current liabilities	20	6
Long-term debt	1,468	1,468
SCE
Variable Interest Entities
Other current assets	373	415
Regulatory assets: non-current	10,548	8,886
Regulatory liabilities: current	563	1,347
Current portion of long-term debt	2,199	1,249
Other current liabilities	1,440	1,495
Long-term debt	30,578	29,266
SCE | SCE Recovery Funding LLC
Variable Interest Entities
Regulatory assets: non-current	1,500	1,512
Long-term debt	$ 1,468	$ 1,468