INCOME TAXES - COMPONENTS OF INCOME TAX EXPENSE (BENEFIT) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Expense (Benefit), Continuing Operations [Abstract]
U.S.	$ 2,678	$ 1,449	$ 346
Non-U.S.	582	560	487
Pretax income	3,260	2,009	833
Current:
U.S. federal	102	0	0
U.S. state	3	(1)	(6)
Non-U.S.	208	165	183
Total	313	164	177
Deferred:
U.S. federal	(56)	248	(9)
U.S. state	18	50	(37)
Non-U.S.	225	94	(31)
Total	187	392	(77)
Deferred investment tax credits	(10)	0	(1)
Total income tax expense	490	556	99
SDG&E
Income Tax Expense (Benefit), Continuing Operations [Abstract]
Pretax income	910	1,097	1,020
Current:
U.S. federal	(156)	76	35
U.S. state	(5)	13	13
Total	(161)	89	48
Deferred:
U.S. federal	111	54	99
U.S. state	35	38	54
Total	146	92	153
Deferred investment tax credits	(11)	1	0
Total income tax expense	(26)	182	201
SoCalGas
Income Tax Expense (Benefit), Continuing Operations [Abstract]
Pretax income	807	738	(736)
Current:
U.S. federal	(6)	(5)	134
U.S. state	(11)	(3)	50
Total	(17)	(8)	184
Deferred:
U.S. federal	22	125	(334)
U.S. state	(11)	22	(159)
Total	11	147	(493)
Deferred investment tax credits	1	(1)	(1)
Total income tax expense	$ (5)	$ 138	$ (310)