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

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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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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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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 of loss contingency liability.

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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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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
	Nov. 30, 2023	Aug. 31, 2023	May 31, 2023	Mar. 31, 2024	Mar. 31, 2023	Jun. 30, 2023	Dec. 31, 2023	Oct. 31, 2021
Commitments and Contingencies
Requested increase (decrease) revenue requirement	$ (290.0)
SCE
Commitments and Contingencies
Wildfire insurance expense						$ 450.0
Regulatory assets				$ 11,795.0			$ 11,421.0
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%
Payment of Self Insurance Cost			$ 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 \| 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 \| Edison Insurance Services-EIS \| Insurance coverage through June 2023
Commitments and Contingencies
Coverage net				102.0
2017/2018 Wildfire/Mudslide Events
Commitments and Contingencies
Charge for wildfire-related claims				1,031.0			715.0
Increase in accrued estimated losses				490.0	$ 90.0
Expected revenue through electric rates				27.0	6.0
2017/2018 Wildfire/Mudslide Events \| SCE
Commitments and Contingencies
Increase in accrued estimated losses				490.0
Expected revenue through electric rates				27.0
Regulatory assets				64.0
Potential impairment				169.0
2017/2018 Wildfire/Mudslide Events \| SCE \| Aggregate
Commitments and Contingencies
Increase in accrued estimated losses				9,900.0
Litigation settlement				9,000.0
Insurance recoveries				2,000.0
Expected revenue through electric rates				440.0
2017/2018 Wildfire/Mudslide Events \| SCE \| SED Settlement
Commitments and Contingencies
Charge for wildfire-related claims				60.0				$ 550.0
Thomas and Koenigstein Fires and Montecito Mudslides-TKM \| SCE
Commitments and Contingencies
Wildfire Insurance Coverage				1,000.0
Self insurance				10.0
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
November 2018-Woolsey \| SCE
Commitments and Contingencies
Wildfire Insurance Coverage				1,000.0
Self insurance				10.0
Other Wildfires
Commitments and Contingencies
Charge for wildfire-related claims				786.0			$ 683.0
Increase in accrued estimated losses				180.0	6.0
Insurance recoveries				55.0
Expected revenue through electric rates				7.0
Other Wildfires \| Edison Insurance Services-EIS
Commitments and Contingencies
Increase in accrued estimated losses				1.0
Other Wildfires \| SCE
Commitments and Contingencies
Charge for wildfire-related claims				780.0
Increase in accrued estimated losses				180.0	$ 6.0
Insurance recoveries				56.0
Expected revenue through electric rates				7.0
Regulatory assets				156.0
Other Wildfires \| SCE \| Aggregate
Commitments and Contingencies
Increase in accrued estimated losses				1,100.0
Insurance recoveries				679.0
Expected revenue through electric rates				$ 175.0