Loss Contingency Accrual, Period Increase (Decrease)

No definition available.

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Namespace Prefix:	eix_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
-SubTopic 20
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of loss contingency liability expected to be resolved within one year or the normal operating cycle, if longer.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of loss contingency liability expected to be resolved after one year or beyond the normal operating cycle, if longer.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

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Balance Type:	debit
Period Type:	instant

- Details

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Balance Type:
Period Type:

- Details

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Namespace Prefix:
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Balance Type:
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- Details

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- Details

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- Details

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Commitments and Contingencies - Payments to be Made Under Settlement Agreements (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Dec. 31, 2024	Dec. 31, 2023	Oct. 31, 2021
Commitments and Contingencies
Current portion of Wildfire-related claims liabilities		$ 60	$ 30
Long term wildfire-related claims liabilities		941	1,368
Charge for wildfire-related claims		1,001	1,398
SCE
Commitments and Contingencies
Current portion of Wildfire-related claims liabilities		60	30
Long term wildfire-related claims liabilities		941	1,368
Charge for wildfire-related claims			1,398
2017/2018 Wildfire/Mudslide Events
Commitments and Contingencies
Current portion of Wildfire-related claims liabilities		48
Long term wildfire-related claims liabilities		378	48
Charge for wildfire-related claims		426	715
Estimate of possible loss		340	637
Loss contingency accrual, period increase (decrease)	$ 490
2017/2018 Wildfire/Mudslide Events \| SED Settlement
Commitments and Contingencies
Current portion of Wildfire-related claims liabilities		19	14
2017/2018 Wildfire/Mudslide Events \| Settled Litigation
Commitments and Contingencies
Current portion of Wildfire-related claims liabilities		29	16
2017/2018 Wildfire/Mudslide Events \| SED Settlement
Commitments and Contingencies
Long term wildfire-related claims liabilities		38
2017/2018 Wildfire/Mudslide Events \| SCE
Commitments and Contingencies
Current portion of Wildfire-related claims liabilities			30
Long term wildfire-related claims liabilities			685
Charge for wildfire-related claims			715
2017/2018 Wildfire/Mudslide Events \| SCE \| SED Settlement
Commitments and Contingencies
Charge for wildfire-related claims				$ 550
Other Wildfire Events
Commitments and Contingencies
Current portion of Wildfire-related claims liabilities		12
Long term wildfire-related claims liabilities		563
Charge for wildfire-related claims		$ 575	683
Other Wildfire Events \| SCE
Commitments and Contingencies
Current portion of Wildfire-related claims liabilities			0
Long term wildfire-related claims liabilities			683
Charge for wildfire-related claims			$ 683