Amount of public utility's requested rate increase with regulatory agency related to capital recovery.

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Current or expected co-insurance per wildfire occurrence.

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Potential amount of reduction to the carrying amounts of assets that result from impairment due to actions of a regulator.

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Loss Contingency, Estimated Recovery from Electric Rates

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The amount of uninsured claims in loss contingency transaction.

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The maximum amount of annual shareholder contribution to wildfire insurance program.

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Threshold for wildfire insurance costs before shareholder contributions.

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Percentage of shareholder contribution on self insurance cost.

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The future amount to be collected from self insurance program in the absence of wildfire related claims.

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No definition available.

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The amount to be collected for wildfire related self insurance program.

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The amount of self insurance fund.

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Current or expected self insurance per wildfire occurrence.

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Current or expected wildfire insurance coverage.

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Current or expected wildfire insurance coverage, net.

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Wildfire Insurance Expense

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Carrying amount as of the balance sheet date of amounts expected to be recovered under the terms of insurance contracts.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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The amount recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Amount awarded to other party in judgment or settlement of litigation.

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No definition available.

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Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
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Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges.

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Amount of public utility's requested rate increase (decrease) with regulatory agency.

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No definition available.

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The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Commitments and Contingencies (Wildfire Insurance) (Details) - USD ($) $ in Millions	1 Months Ended		3 Months Ended		9 Months Ended		12 Months Ended
	Aug. 31, 2023	May 31, 2023	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
SCE
Commitments and Contingencies
Regulatory assets			$ 11,182.0		$ 11,182.0				$ 10,678.0
Wildfire insurance expense							$ 450.0	$ 437.0
SCE \| Customer-funded self-insurance
Commitments and Contingencies
Wildfire insurance coverage		$ 1,000.0
Rate funded wildfire self-insurance program		150.0
Rate funded wildfire self-insurance program future proceeds, assuming no claims		$ 300.0
Shareholder contribution on self insurance (as a percent)		2.50%
Threshold for insurance costs before shareholder contributions		$ 500.0
Maximum annual shareholder contribution		12.5
Self-insurance fund value		$ 1,000.0
SCE \| Insurance coverage through June 2023
Commitments and Contingencies
Wildfire insurance coverage					1,000.0
Self insurance					100.0
Coverage net					937.0
SCE \| Insurance coverage through June 2022
Commitments and Contingencies
Wildfire insurance coverage					1,000.0
Self insurance					100.0
Co-insurance					63.0
SCE \| Commercial insurance carriers
Commitments and Contingencies
Wildfire insurance expense							$ 357.0	$ 413.0
SCE \| Commercial insurance carriers \| Insurance coverage through June 2023
Commitments and Contingencies
Coverage net					835.0
SCE \| Commercial insurance carriers \| Insurance coverage through June 2022
Commitments and Contingencies
Coverage net					875.0
SCE \| Edison Insurance Services-EIS \| Insurance coverage through June 2023
Commitments and Contingencies
Coverage net					102.0
SCE \| Edison Insurance Services-EIS \| Insurance coverage through June 2022
Commitments and Contingencies
Coverage net					28.0
2017/2018 Wildfire/Mudslide Events
Commitments and Contingencies
Charge for wildfire-related claims			475.0	$ 880.0	565.0	$ 1,296.0
Expected revenue through electric rates			27.0	50.0	33.0	76.0
2017/2018 Wildfire/Mudslide Events \| SCE
Commitments and Contingencies
Wildfire insurance coverage					1,000.0
Self insurance					10.0
Expected revenue through electric rates			27.0
Regulatory assets			51.0		51.0
Potential impairment			173.0		173.0
2017/2018 Wildfire/Mudslide Events \| SCE \| Aggregate
Commitments and Contingencies
Charge for wildfire-related claims					9,300.0
Litigation settlement					8,600.0
Insurance recoveries					2,000.0
Expected revenue through electric rates					409.0
2017/2018 Wildfire/Mudslide Events \| SCE \| SED Settlement \| Aggregate
Commitments and Contingencies
Litigation settlement					65.0
November 2018 Wildfires \| SCE
Commitments and Contingencies
Wildfire insurance coverage					1,000.0
Self insurance					10.0
Thomas and Koenigstein Fires and Montecito Mudslides \| SCE
Commitments and Contingencies
Requested increase (decrease) revenue requirement	$ 2,400.0
Loss contingency, Uninsured claims	2,000.0
Legal and other costs	400.0
CPUC cost recovery proceedings, capital recovery portion	$ 65.0
Post-2018 Wildfires
Commitments and Contingencies
Charge for wildfire-related claims			118.0	415.0	124.0	565.0
Insurance recoveries			111.0	244.0	111.0	383.0
Expected revenue through electric rates				162.0		162.0
Post-2018 Wildfires \| Edison Insurance Services-EIS
Commitments and Contingencies
Charge for wildfire-related claims			3.0	9.0	3.0	9.0
Post-2018 Wildfires \| SCE
Commitments and Contingencies
Charge for wildfire-related claims			118.0	415.0	124.0	565.0
Insurance recoveries			114.0	253.0	114.0	392.0
Expected revenue through electric rates				$ 162.0		$ 162.0
Regulatory assets			166.0		166.0
Expected insurance recoveries			$ 560.0		560.0
Post-2018 Wildfires \| SCE \| Aggregate
Commitments and Contingencies
Charge for wildfire-related claims					820.0
Insurance recoveries					587.0
Expected revenue through electric rates					$ 166.0