REGULATORY MATTERS - COST OF CAPITAL (Details) - California Public Utilities Commission	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
SDG&E
Public Utilities, General Disclosures [Line Items]
Authorized weighting (as a percent)			100.00%
Weighted return on rate base (as a percent)			7.18%
SDG&E | Forecast | Subsequent Event
Public Utilities, General Disclosures [Line Items]
Approved return on equity (as a percent)	10.23%
Authorized weighting (as a percent)		100.00%
Weighted return on rate base (as a percent)		7.67%
SDG&E | Authorized weighting
Public Utilities, General Disclosures [Line Items]
Approved debt capital structure (as a percent)			45.25%
SDG&E | Authorized weighting | Preferred Equity
Public Utilities, General Disclosures [Line Items]
Approved return on equity (as a percent)			2.75%
SDG&E | Authorized weighting | Common Equity
Public Utilities, General Disclosures [Line Items]
Approved return on equity (as a percent)			52.00%
SDG&E | Authorized weighting | Forecast | Subsequent Event
Public Utilities, General Disclosures [Line Items]
Approved debt capital structure (as a percent)		45.25%
SDG&E | Authorized weighting | Forecast | Preferred Equity | Subsequent Event
Public Utilities, General Disclosures [Line Items]
Approved return on equity (as a percent)		2.75%
SDG&E | Authorized weighting | Forecast | Common Equity | Subsequent Event
Public Utilities, General Disclosures [Line Items]
Approved return on equity (as a percent)		52.00%
SDG&E | Return on rate base
Public Utilities, General Disclosures [Line Items]
Approved debt capital structure (as a percent)			4.05%
SDG&E | Return on rate base | Preferred Equity
Public Utilities, General Disclosures [Line Items]
Approved return on equity (as a percent)			6.22%
SDG&E | Return on rate base | Common Equity
Public Utilities, General Disclosures [Line Items]
Approved return on equity (as a percent)			9.95%
SDG&E | Return on rate base | Forecast | Subsequent Event
Public Utilities, General Disclosures [Line Items]
Approved debt capital structure (as a percent)		4.34%
SDG&E | Return on rate base | Forecast | Preferred Equity | Subsequent Event
Public Utilities, General Disclosures [Line Items]
Approved return on equity (as a percent)		6.22%
SDG&E | Return on rate base | Forecast | Common Equity | Subsequent Event
Public Utilities, General Disclosures [Line Items]
Approved return on equity (as a percent)		10.65%
SDG&E | Weighted return on rate base
Public Utilities, General Disclosures [Line Items]
Approved debt capital structure (as a percent)			1.83%
SDG&E | Weighted return on rate base | Preferred Equity
Public Utilities, General Disclosures [Line Items]
Approved return on equity (as a percent)			0.17%
SDG&E | Weighted return on rate base | Common Equity
Public Utilities, General Disclosures [Line Items]
Approved return on equity (as a percent)			5.17%
SDG&E | Weighted return on rate base | Forecast | Subsequent Event
Public Utilities, General Disclosures [Line Items]
Approved debt capital structure (as a percent)		1.96%
SDG&E | Weighted return on rate base | Forecast | Preferred Equity | Subsequent Event
Public Utilities, General Disclosures [Line Items]
Approved return on equity (as a percent)		0.17%
SDG&E | Weighted return on rate base | Forecast | Common Equity | Subsequent Event
Public Utilities, General Disclosures [Line Items]
Approved return on equity (as a percent)		5.54%
SoCalGas
Public Utilities, General Disclosures [Line Items]
Authorized weighting (as a percent)			100.00%
Weighted return on rate base (as a percent)			7.10%
SoCalGas | Forecast | Subsequent Event
Public Utilities, General Disclosures [Line Items]
Approved return on equity (as a percent)	10.08%
Authorized weighting (as a percent)		100.00%
Weighted return on rate base (as a percent)		7.67%
SoCalGas | Authorized weighting
Public Utilities, General Disclosures [Line Items]
Approved debt capital structure (as a percent)			45.60%
SoCalGas | Authorized weighting | Preferred Equity
Public Utilities, General Disclosures [Line Items]
Approved return on equity (as a percent)			2.40%
SoCalGas | Authorized weighting | Common Equity
Public Utilities, General Disclosures [Line Items]
Approved return on equity (as a percent)			52.00%
SoCalGas | Authorized weighting | Forecast | Subsequent Event
Public Utilities, General Disclosures [Line Items]
Approved debt capital structure (as a percent)		45.60%
SoCalGas | Authorized weighting | Forecast | Preferred Equity | Subsequent Event
Public Utilities, General Disclosures [Line Items]
Approved return on equity (as a percent)		2.40%
SoCalGas | Authorized weighting | Forecast | Common Equity | Subsequent Event
Public Utilities, General Disclosures [Line Items]
Approved return on equity (as a percent)		52.00%
SoCalGas | Return on rate base
Public Utilities, General Disclosures [Line Items]
Approved debt capital structure (as a percent)			4.07%
SoCalGas | Return on rate base | Preferred Equity
Public Utilities, General Disclosures [Line Items]
Approved return on equity (as a percent)			6.00%
SoCalGas | Return on rate base | Common Equity
Public Utilities, General Disclosures [Line Items]
Approved return on equity (as a percent)			9.80%
SoCalGas | Return on rate base | Forecast | Subsequent Event
Public Utilities, General Disclosures [Line Items]
Approved debt capital structure (as a percent)		4.54%
SoCalGas | Return on rate base | Forecast | Preferred Equity | Subsequent Event
Public Utilities, General Disclosures [Line Items]
Approved return on equity (as a percent)		6.00%
SoCalGas | Return on rate base | Forecast | Common Equity | Subsequent Event
Public Utilities, General Disclosures [Line Items]
Approved return on equity (as a percent)		10.50%
SoCalGas | Weighted return on rate base
Public Utilities, General Disclosures [Line Items]
Approved debt capital structure (as a percent)			1.86%
SoCalGas | Weighted return on rate base | Preferred Equity
Public Utilities, General Disclosures [Line Items]
Approved return on equity (as a percent)			0.14%
SoCalGas | Weighted return on rate base | Common Equity
Public Utilities, General Disclosures [Line Items]
Approved return on equity (as a percent)			5.10%
SoCalGas | Weighted return on rate base | Forecast | Subsequent Event
Public Utilities, General Disclosures [Line Items]
Approved debt capital structure (as a percent)		2.07%
SoCalGas | Weighted return on rate base | Forecast | Preferred Equity | Subsequent Event
Public Utilities, General Disclosures [Line Items]
Approved return on equity (as a percent)		0.14%
SoCalGas | Weighted return on rate base | Forecast | Common Equity | Subsequent Event
Public Utilities, General Disclosures [Line Items]
Approved return on equity (as a percent)		5.46%