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

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Current or expected additional co-insurance limit per policy year.

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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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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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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
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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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Commitments and Contingencies (Wildfire Insurance) (Details) - USD ($) $ in Millions	1 Months Ended		3 Months Ended			12 Months Ended
	Aug. 31, 2023	May 31, 2023	Dec. 31, 2023	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2023	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022
SCE
Commitments and Contingencies
Wildfire insurance expense							$ 450.0
Regulatory assets			$ 11,421.0			$ 11,421.0		$ 10,678.0
SCE \| Customer-funded self-insurance
Commitments and Contingencies
Rate funded wildfire self-insurance program		$ 150.0
Rate funded wildfire self-insurance program future proceeds, assuming no claims		300.0
Wildfire insurance coverage		$ 1,000.0
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 limit per policy year									63.0
SCE \| Commercial insurance carriers
Commitments and Contingencies
Wildfire insurance expense							357.0
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									837.0
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						630.0		1,296.0
Expected revenue through electric rates						37.0		76.0
2017/2018 Wildfire/Mudslide Events \| SCE
Commitments and Contingencies
Wildfire insurance coverage						1,000.0
Self insurance						10.0
Charge for wildfire-related claims						630.0
Expected revenue through electric rates			4.0
Regulatory assets			37.0			37.0
Potential impairment						172.0
2017/2018 Wildfire/Mudslide Events \| SCE \| Aggregate
Commitments and Contingencies
Charge for wildfire-related claims						9,400.0
Litigation settlement						8,800.0
Insurance recoveries						2,000.0
Expected revenue through electric rates						413.0
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			65.0
Post-2018 Wildfires
Commitments and Contingencies
Charge for wildfire-related claims						184.0		572.0
Insurance recoveries						147.0		390.0
Expected revenue through electric rates						2.0		162.0
Post-2018 Wildfires \| Edison Insurance Services-EIS
Commitments and Contingencies
Charge for wildfire-related claims				$ 3.0	$ 9.0
Post-2018 Wildfires \| SCE
Commitments and Contingencies
Charge for wildfire-related claims						184.0		572.0
Insurance recoveries						149.0		399.0
Expected revenue through electric rates						2.0		$ 162.0
Regulatory assets			154.0			154.0
Expected insurance recoveries			$ 512.0			512.0
Post-2018 Wildfires \| SCE \| Aggregate
Commitments and Contingencies
Charge for wildfire-related claims						880.0
Insurance recoveries						622.0
Expected revenue through electric rates						$ 168.0