Variable Interest Entities (Recovery Funding) (Details) - USD ($) $ in Millions	Jun. 30, 2023	Apr. 30, 2023	Dec. 31, 2022
Variable Interest Entity
Other current assets	$ 289		$ 397
Regulatory assets: non-current	8,621		8,181
Regulatory liabilities: current	797		964
Current portion of long-term debt	2,889		2,614
Other current liabilities	1,631		1,601
Long-term debt	29,430		27,025
SCE Recovery Funding LLC
Variable Interest Entity
Other current assets	38		45
Regulatory assets: non-current	1,585		834
Regulatory liabilities: current	10		33
Current portion of long-term debt	54		29
Other current liabilities	11		4
Long-term debt	1,539		809
SCE
Variable Interest Entity
Other current assets	276		384
Regulatory assets: non-current	8,621		8,181
Regulatory liabilities: current	797		964
Current portion of long-term debt	2,889		2,214
Other current liabilities	1,611		1,578
Long-term debt	25,358		24,044
SCE | SCE Recovery Funding LLC
Variable Interest Entity
Debt carrying amount	1,600
Debt, face amount		$ 775
Regulatory assets: non-current	1,585		834
Long-term debt	$ 1,539		$ 809