STATEMENTS OF CHANGES IN SHAREHOLDER’S EQUITY - SDG&E - USD ($) $ in Millions	Total	Common stock	Retained earnings	Accumulated other comprehensive income (loss)	Sempra shareholders' equity	SDG&E	SDG&E Common stock	SDG&E Retained earnings	SDG&E Accumulated other comprehensive income (loss)	SDG&E Sempra shareholders' equity
Beginning Balance at Dec. 31, 2020	$ 24,934	$ 7,053	$ 13,673	$ (500)	$ 23,373		$ 1,660	$ 6,080	$ (10)	$ 7,730
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,463		1,318		1,318	$ 819		819		819
Other comprehensive income (loss)	171			160	160
Common stock dividends declared	(1,379)		(1,379)		(1,379)			(300)		(300)
Ending balance at Dec. 31, 2021	27,419	11,862	13,548	(318)	25,981		1,660	6,599	(10)	8,249
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,285		2,139		2,139	915		915		915
Other comprehensive income (loss)	228			174	174				3	3
Common stock dividends declared	(1,441)		(1,441)		(1,441)			(100)		(100)
Ending balance at Dec. 31, 2022	29,256	12,160	14,201	(135)	27,115		1,660	7,414	(7)	9,067
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	3,618		3,075		3,075	$ 936		936		936
Other comprehensive income (loss)	3			31	31				(1)	(1)
Common stock dividends declared	(1,499)		(1,499)		(1,499)			(100)		(100)
Ending balance at Dec. 31, 2023	$ 33,654	$ 12,204	$ 15,732	$ (150)	$ 28,675		$ 1,660	$ 8,250	$ (8)	$ 9,902