CONDENSED STATEMENTS OF CHANGES IN SHAREHOLDER’S EQUITY - SDG&E - USD ($) $ in Millions	Total		Common stock	Retained earnings	Accumulated other comprehensive income (loss)	Sempra Energy shareholders' equity	San Diego Gas and Electric Company	San Diego Gas and Electric Company Common stock	San Diego Gas and Electric Company Retained earnings	San Diego Gas and Electric Company Accumulated other comprehensive income (loss)	San Diego Gas and Electric Company Sempra Energy 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 (loss)	751			703		703	$ 603		603		603
Total other comprehensive (loss) income	121				114	114				1	1
Common stock dividends declared	(1,031)			(1,031)		(1,031)
Ending balance at Sep. 30, 2021	24,604		10,791	13,292	(418)	24,554		1,660	6,683	(9)	8,334
Beginning Balance at Jun. 30, 2021	25,692		10,150	14,291	(444)	25,451		1,660	6,478	(10)	8,128
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(632)			(637)		(637)			205		205
Total other comprehensive (loss) income	18				20	20				1	1
Common stock dividends declared	(351)			(351)		(351)
Ending balance at Sep. 30, 2021	24,604		10,791	13,292	(418)	24,554		1,660	6,683	(9)	8,334
Beginning Balance at Dec. 31, 2021	27,419	[1]	11,862	13,548	(318)	25,981		1,660	6,599	(10)	8,249
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	1,877			1,690		1,690	$ 681		681		681
Total other comprehensive (loss) income	245				189	189				1	1
Common stock dividends declared	(1,081)			(1,081)		(1,081)			(100)		(100)
Ending balance at Sep. 30, 2022	29,289		12,138	14,123	(120)	27,030		1,660	7,180	(9)	8,831
Beginning Balance at Jun. 30, 2022	29,053		12,121	13,998	(167)	26,841		1,660	7,009	(10)	8,659
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	561			496		496			271		271
Total other comprehensive (loss) income	67				47	47				1	1
Common stock dividends declared	(360)			(360)		(360)			(100)		(100)
Ending balance at Sep. 30, 2022	$ 29,289		$ 12,138	$ 14,123	$ (120)	$ 27,030		$ 1,660	$ 7,180	$ (9)	$ 8,831

[1] Derived from audited financial statements.