CONSOLIDATED BALANCE SHEETS - SCG (Parentheticals)	Dec. 31, 2023 shares
Stockholders' Equity Attributable to Parent [Abstract]
Preferred stock, shares authorized (in shares)	50,000,000
Common stock, shares authorized (in shares)	1,125,000,000
Common stock, shares outstanding (in shares)	631,431,732
SoCalGas
Stockholders' Equity Attributable to Parent [Abstract]
Preferred stock, shares authorized (in shares)	11,000,000
Preferred stock, shares outstanding (in shares)	862,043
Common stock, shares authorized (in shares)	100,000,000
Common stock, shares outstanding (in shares)	91,300,000