EQUITY AND EARNINGS PER COMMON SHARE - Preferred Stock Narrative (Details) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($) vote $ / shares shares	Dec. 31, 2024 USD ($) shares	Dec. 31, 2023 USD ($)
Preferred Stock [Line Items]
Preferred stock, shares authorized (in shares)	50,000,000	50,000,000
Redemption of preferred stock | $	$ 900
Preferred stock redemption premium | $	$ 11	$ 0	$ 0
Preferred Class C
Preferred Stock [Line Items]
Preferred stock, shares outstanding (in shares)		900,000
Shares redeemed during period (in shares)	900,000
Preferred stock redemption price (in dollars per share) | $ / shares	$ 1,000
Redemption of preferred stock | $	$ 900
Preferred stock redemption premium | $	$ 11
SDG&E
Preferred Stock [Line Items]
Preferred stock, shares authorized (in shares)	45,000,000	45,000,000
Preferred stock, shares outstanding (in shares)	0	0
SoCalGas
Preferred Stock [Line Items]
Preferred stock, shares authorized (in shares)	11,000,000	11,000,000
Preferred stock, shares outstanding (in shares)	862,043	862,043
Number of votes per share | vote	1
SoCalGas | Twenty Five Dollar Par, Six Percent Series A
Preferred Stock [Line Items]
Preferred stock, shares outstanding (in shares)	783,032
Liquidation preference (in dollars per share) | $ / shares	$ 25
SoCalGas | Twenty Five Dollar Par, Six Percent Series
Preferred Stock [Line Items]
Preferred stock, shares authorized (in shares)	1,000,000
Preferred stock, shares outstanding (in shares)	79,011
Liquidation preference (in dollars per share) | $ / shares	$ 25
SoCalGas | SoCalGas Series Preferred Stock
Preferred Stock [Line Items]
Preferred stock, shares authorized (in shares)	5,000,000
SoCalGas | SoCalGas Series Preferred Stock
Preferred Stock [Line Items]
Preferred stock, shares authorized (in shares)	5,000,000