CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - SCG - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Net (loss) income	$ 2,285	$ 1,463	$ 4,105
Other comprehensive income (loss):
Total other comprehensive (loss) income	228	171	422
Pretax amount
Net (loss) income	2,695	1,417	5,368
Other comprehensive income (loss):
Financial instruments	221	191	(146)
Pension and other postretirement benefits	3	28	11
Total other comprehensive (loss) income	235	213	412
Total comprehensive income, after preferred dividends of subsidiaries	2,929	1,629	5,779
Income tax (expense) benefit
Net (loss) income	(556)	(99)	(1,435)
Other comprehensive income (loss):
Financial instruments	(55)	(47)	33
Pension and other postretirement benefits	(6)	(6)	1
Total other comprehensive (loss) income	(61)	(53)	34
Total comprehensive income, after preferred dividends of subsidiaries	(617)	(152)	(1,401)
Net-of-tax amount
Net (loss) income	2,139	1,318	3,933
Other comprehensive income (loss):
Financial instruments	166	144	(113)
Pension and other postretirement benefits	(3)	22	12
Total other comprehensive (loss) income	174	160	446
Total comprehensive income, after preferred dividends of subsidiaries	2,312	1,477	4,378
SoCalGas
Net (loss) income	600	(426)	505
Other comprehensive income (loss):
Total other comprehensive (loss) income	7		(8)
SoCalGas | Pretax amount
Net (loss) income	738	(736)	601
Other comprehensive income (loss):
Financial instruments	1
Pension and other postretirement benefits	8		(12)
Total other comprehensive (loss) income	9		(12)
Total comprehensive income, after preferred dividends of subsidiaries	747	(736)	589
SoCalGas | Income tax (expense) benefit
Net (loss) income	(138)	310	(96)
Other comprehensive income (loss):
Financial instruments	0
Pension and other postretirement benefits	(2)		4
Total other comprehensive (loss) income	(2)		4
Total comprehensive income, after preferred dividends of subsidiaries	(140)	310	(92)
SoCalGas | Net-of-tax amount
Net (loss) income	600	(426)	505
Other comprehensive income (loss):
Financial instruments	1
Pension and other postretirement benefits	6		(8)
Total other comprehensive (loss) income	7		(8)
Total comprehensive income, after preferred dividends of subsidiaries	$ 607	$ (426)	$ 497