Environmental Costs, Potential Monetary Sanctions, Threshold

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Environmental Costs, Potential Monetary Sanctions, Threshold, Actual Amount

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Environmental Costs, Potential Monetary Sanctions, Threshold, Percentage

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Payments For Accrued Environmental Loss Contingencies, After Year Five

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Payments For Accrued Environmental Loss Contingencies, Next Twelve Month

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Payments For Accrued Environmental Loss Contingencies, Year Five

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Payments For Accrued Environmental Loss Contingencies, Year Four

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Payments For Accrued Environmental Loss Contingencies, Year Three

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Payments For Accrued Environmental Loss Contingencies, Year Two

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Site contingency, sites completed.

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Site contingency, sites in process.

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Amount of imputed interest necessary to reduce (reconcile) the undiscounted amount of the accrual for environmental loss contingencies to the present value.

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Rate applied to the undiscounted amount of environmental loss contingencies to arrive at the present value recorded as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Undiscounted amount of the accrual for environmental loss contingencies.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer.

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Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable after twelve months or beyond the next operating cycle if longer.

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Amount of environmental remediation costs capitalized. These expenditures may relate to long-lived improvements in operating facilities.

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Total anticipated costs associated with remediation, site restoration, postclosure, monitoring commitments, or other exit costs that may occur on the sale, disposal, or abandonment of a particular property resulting from unanticipated contamination of the assets.

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Indicates line item in statement of financial position that includes accrual for environmental loss contingency classified as noncurrent.

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Amount, before recovery, of expense for known and estimated future costs arising from requirement to perform environmental remediation.

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Best estimate of the loss exposure for reasonably possible environmental contingencies at an individual site for which no accrual has been recorded.

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COMMITMENTS AND CONTINGENCIES - ENVIRONMENTAL ISSUES (Details) $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($) site	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Environmental Issues [Line Items]
Potential monetary sanctions threshold, percentage	1.00%
Potential monetary sanctions threshold, actual amount	$ 53
Capital expenditures for environmental issues	65	$ 107	$ 87
Accrued liability for environmental matters, discount	$ 14
Accrued liability for environmental matters, discount rate (as a percent)	2.45%
Accrual for environmental loss contingencies	$ 54
Accrual for environmental loss contingencies, current	6
Accrual for environmental loss contingencies, noncurrent	$ 48
Environmental Loss Contingency, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Liabilities, Other than Long-Term Debt, Noncurrent
Expected future payments for accruals, year one	$ 6
Expected future payments for accruals, year two	4
Expected future payments for accruals, year three	8
Expected future payments for accruals, year four	24
Expected future payments for accruals, year five	1
Expected future payments for accruals, thereafter	14
Minimum
Environmental Issues [Line Items]
Potential monetary sanctions threshold	1
SDG&E
Environmental Issues [Line Items]
Potential monetary sanctions threshold, actual amount	13
Capital expenditures for environmental issues	23	29	31
Accrual for environmental loss contingencies	16
Accrual for environmental loss contingencies, noncurrent	15
SoCalGas
Environmental Issues [Line Items]
Potential monetary sanctions threshold, actual amount	16
Capital expenditures for environmental issues	42	$ 78	$ 56
Accrued liability for environmental matters, discount	$ 14
Accrued liability for environmental matters, discount rate (as a percent)	2.45%
Accrual for environmental loss contingencies	$ 38
Accrual for environmental loss contingencies, current	5
Accrual for environmental loss contingencies, noncurrent	33
SDG&E and SoCalGas
Environmental Issues [Line Items]
Accrual for environmental loss contingencies, current	1
Manufactured-gas sites
Environmental Issues [Line Items]
Accrual for environmental loss contingencies	$ 34
Manufactured-gas sites \| SDG&E
Environmental Issues [Line Items]
Number of sites complete \| site	3
Number of sites in process \| site	0
Accrual for environmental loss contingencies	$ 0
Manufactured-gas sites \| SoCalGas
Environmental Issues [Line Items]
Number of sites complete \| site	39
Number of sites in process \| site	3
Accrual for environmental loss contingencies	$ 34
Waste Disposal Sites
Environmental Issues [Line Items]
Accrual for environmental loss contingencies	$ 8
Waste Disposal Sites \| SDG&E
Environmental Issues [Line Items]
Number of sites complete \| site	2
Number of sites in process \| site	1
Accrual for environmental loss contingencies	$ 5
Waste Disposal Sites \| SoCalGas
Environmental Issues [Line Items]
Number of sites complete \| site	5
Number of sites in process \| site	2
Accrual for environmental loss contingencies	$ 3
Other hazardous waste sites
Environmental Issues [Line Items]
Accrual for environmental loss contingencies	12
Other hazardous waste sites \| SDG&E
Environmental Issues [Line Items]
Accrual for environmental loss contingencies	11
Other hazardous waste sites \| SoCalGas
Environmental Issues [Line Items]
Accrual for environmental loss contingencies	1
SONGS Sites \| SDG&E
Environmental Issues [Line Items]
Estimated SONGS mitigation costs, recoverable in rates	154
SONGS mitigation costs incurred	56
SONGS mitigation costs remaining	$ 98