CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - SCG - USD ($) $ in Millions	Total	Preferred stock	Common stock	Retained earnings	Accumulated other comprehensive income (loss)	SoCalGas	SoCalGas Preferred stock	SoCalGas Common stock	SoCalGas Retained earnings	SoCalGas Accumulated other comprehensive income (loss)
Beginning Balance at Dec. 31, 2019	$ 21,805	$ 2,258	$ 7,480	$ 11,130	$ (939)	$ 4,748	$ 22	$ 866	$ 3,883	$ (23)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	4,105			3,933		505			505
Other comprehensive income	422				446	(8)				(8)
Preferred stock dividends declared						(1)			(1)
Common stock dividends declared	(1,214)			(1,214)		(100)			(100)
Ending balance at Dec. 31, 2020	24,934	3,147	7,053	13,673	(500)	5,144	22	866	4,287	(31)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	1,463			1,318		(426)			(426)
Other comprehensive income	171				160
Preferred stock dividends declared						(1)			(1)
Common stock dividends declared	(1,379)			(1,379)		(75)			(75)
Equity contribution from Sempra Energy						800		800
Ending balance at Dec. 31, 2021	27,419	889	11,862	13,548	(318)	5,442	22	1,666	3,785	(31)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	2,285			2,139		600			600
Other comprehensive income	228				174	7				7
Preferred stock dividends declared						(1)			(1)
Common stock dividends declared	(1,441)			(1,441)
Equity contribution from Sempra Energy						650		650
Ending balance at Dec. 31, 2022	$ 29,256	$ 889	$ 12,160	$ 14,201	$ (135)	$ 6,698	$ 22	$ 2,316	$ 4,384	$ (24)