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REGULATORY MATTERS - CPUC GRC (Details) - General Rate Case - USD ($) $ in Millions	1 Months Ended			12 Months Ended
	Oct. 31, 2023	May 31, 2022	May 31, 2021	Dec. 31, 2025	Dec. 31, 2024
2019 GRC FD - 2022 Requirement \| SDG&E
Public Utilities, General Disclosures [Line Items]
Revenue increase			$ 87
Percent increase (as a percent)			3.92%
2019 GRC FD - 2022 Requirement \| SoCalGas
Public Utilities, General Disclosures [Line Items]
Revenue increase			$ 142
Percent increase (as a percent)			4.53%
2019 GRC FD - 2023 Requirement \| SDG&E
Public Utilities, General Disclosures [Line Items]
Revenue increase			$ 86
Percent increase (as a percent)			3.70%
2019 GRC FD - 2023 Requirement \| SoCalGas
Public Utilities, General Disclosures [Line Items]
Revenue increase			$ 130
Percent increase (as a percent)			3.97%
2024 GRC - 2024 Requirement \| SDG&E
Public Utilities, General Disclosures [Line Items]
Requested revenue requirements	$ 2,200	$ 3,000
General rate case, requested review and recovery of wildfire mitigation plan costs	$ 1,500
2024 GRC - 2024 Requirement \| SDG&E \| Forecast
Public Utilities, General Disclosures [Line Items]
General rate case, expected recovery of wildlife mitigation plan costs				$ 96
2024 GRC - 2024 Requirement \| SDG&E \| Subsequent Event \| Forecast
Public Utilities, General Disclosures [Line Items]
General rate case, expected recovery of wildlife mitigation plan costs					$ 194
2024 GRC - 2024 Requirement \| SDG&E \| Minimum
Public Utilities, General Disclosures [Line Items]
Post-test year revenue annual increase		8.00%
2024 GRC - 2024 Requirement \| SDG&E \| Maximum
Public Utilities, General Disclosures [Line Items]
Post-test year revenue annual increase		11.00%
2024 GRC - 2024 Requirement \| SoCalGas
Public Utilities, General Disclosures [Line Items]
Requested revenue requirements		$ 4,400
2024 GRC - 2024 Requirement \| SoCalGas \| Minimum
Public Utilities, General Disclosures [Line Items]
Post-test year revenue annual increase		6.00%
2024 GRC - 2024 Requirement \| SoCalGas \| Maximum
Public Utilities, General Disclosures [Line Items]
Post-test year revenue annual increase		8.00%