CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Millions	Total	Cumulative Effect, Period of Adoption, Adjustment	Cumulative Effect, Period of Adoption, Adjusted Balance	Preferred stock	Preferred stock Cumulative Effect, Period of Adoption, Adjusted Balance	Common stock	Common stock Cumulative Effect, Period of Adoption, Adjusted Balance	Retained earnings	Retained earnings Cumulative Effect, Period of Adoption, Adjustment	Retained earnings Cumulative Effect, Period of Adoption, Adjusted Balance	Accumulated other comprehensive income (loss)	Accumulated other comprehensive income (loss) Cumulative Effect, Period of Adoption, Adjusted Balance	Sempra Energy shareholders' equity	Sempra Energy shareholders' equity Cumulative Effect, Period of Adoption, Adjustment	Sempra Energy shareholders' equity Cumulative Effect, Period of Adoption, Adjusted Balance	Non- controlling interests	Non- controlling interests Cumulative Effect, Period of Adoption, Adjustment	Non- controlling interests Cumulative Effect, Period of Adoption, Adjusted Balance	Preferred Class A	Preferred Class A Preferred stock	Preferred Class A Common stock	Preferred Class A Retained earnings	Preferred Class A Sempra Energy shareholders' equity	Preferred Class B	Preferred Class B Preferred stock	Preferred Class B Common stock	Preferred Class B Retained earnings	Preferred Class B Sempra Energy shareholders' equity	Preferred Class C	Preferred Class C Preferred stock	Preferred Class C Retained earnings	Preferred Class C Sempra Energy shareholders' equity
Beginning Balance at Dec. 31, 2019	$ 21,805		$ 21,796	$ 2,258	$ 2,258	$ 7,480	$ 7,480	$ 11,130		$ 11,123	$ (939)	$ (939)	$ 19,929		$ 19,922	$ 1,876		$ 1,874
Beginning Balance (Accounting Standards Update 2016-13) at Dec. 31, 2019		$ (9)							$ (7)					$ (7)			$ (2)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	4,105							3,933					3,933			172
Other comprehensive income	422										446		446			(24)
Share-based compensation expense	71					71							71
Preferred stock dividends declared																			$ (104)			$ (104)	$ (104)	$ (39)			$ (39)	$ (39)	$ (25)		$ (25)	$ (25)
Common stock dividends declared	(1,214)							(1,214)					(1,214)
Preferred dividends of subsidiary	(1)							(1)					(1)
Issuances of stock	33					33							33																889	$ 889		889
Repurchases of common stock	(566)					(566)							(566)
Contributions	1															1
Distributions	(1)															(1)
Purchases	(248)					34					(7)		27			(275)
Sale	28					1							1			27
Acquisition	1															1
Equitization of long-term debt for deficit held by NCI	22															22
Deconsolidation	(236)															(236)
Ending balance at Dec. 31, 2020	24,934			3,147		7,053		13,673			(500)		23,373			1,561
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,463							1,318					1,318			145
Other comprehensive income	171										160		160			11
Share-based compensation expense	63					63							63
Preferred stock dividends declared																								$ (19)			$ (19)	$ (19)	(44)		(44)	(44)
Common stock dividends declared	(1,379)							(1,379)					(1,379)
Preferred dividends of subsidiary	(1)							(1)					(1)
Conversion of stock																				$ (1,693)	$ 1,693				$ (565)	$ 565
Issuances of stock	5					5							5
Repurchases of common stock	(339)					(339)							(339)
Contributions	4															4
Purchases	(152)					1,459					(44)		1,415			(1,567)
Sale	2,712					1,363					66		1,429			1,283
Deconsolidation	1															1
Ending balance at Dec. 31, 2021	27,419			889		11,862		13,548			(318)		25,981			1,438
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,285							2,139					2,139			146
Other comprehensive income	228										174		174			54
Share-based compensation expense	71					71							71
Preferred stock dividends declared																													$ (44)		$ (44)	$ (44)
Common stock dividends declared	(1,441)							(1,441)					(1,441)
Preferred dividends of subsidiary	(1)							(1)					(1)
Issuances of stock	4					4							4
Repurchases of common stock	(478)					(478)							(478)
Contributions	31															31
Distributions	(237)															(237)
Sale	1,419					701					9		710			709
Ending balance at Dec. 31, 2022	$ 29,256			$ 889		$ 12,160		$ 14,201			$ (135)		$ 27,115			$ 2,141