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Variable Interest Entities - Narrative (Details) - SCE $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025 USD ($) MW	Sep. 30, 2024 USD ($) MW	Sep. 30, 2025 USD ($) MW	Sep. 30, 2024 USD ($) MW
Variable Interest Entities
Debt carrying amount	$ 3,000		$ 3,000
SCE Recovery Funding LLC
Variable Interest Entities
Debt carrying amount	$ 1,600		$ 1,600
SCE Power Purchases Contracts
Variable Interest Entities
Power generating capacity of projects owned controlled | MW	6,024	5,103	6,024	5,103
Power Purchase Agreement
Variable Interest Entities
Amounts paid to VIEs	$ 292	$ 246	$ 677	$ 592

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Power Generating Capacity of Projects Owned Controlled

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Face (par) amount of debt instrument at time of issuance.

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