INCOME TAXES - RECONCILIATION TO EFFECTIVE TAX RATE (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Line Items]
Net income, income tax expense (benefit), attributable to parent	$ 490	$ 556	$ 99
Income before income taxes and equity earnings	2,627	1,343	219
Equity earnings	633	666	614
Pretax income	$ 3,260	$ 2,009	$ 833
Effective Income Tax Rate Reconciliation, Percent [Abstract]
U.S. federal statutory income tax rate	21.00%	21.00%	21.00%
Foreign exchange and inflation effects	9.00%	9.00%	1.00%
Utility depreciation	3.00%	4.00%	8.00%
Non-U.S. earnings taxed at rates different from the U.S. statutory income tax rate	1.00%	3.00%	5.00%
State income taxes, net of federal income tax benefit	1.00%	1.00%	(4.00%)
Outside basis differences	0.00%	6.00%	9.00%
Impairment losses	0.00%	0.00%	(1.00%)
Compensation-related items	0.00%	0.00%	(1.00%)
Valuation allowances	0.00%	(2.00%)	1.00%
Utility self-developed software expenditures	(1.00%)	0.00%	(5.00%)
Allowance for equity funds used during construction	(1.00%)	(1.00%)	(3.00%)
Amortization of excess deferred income taxes	(1.00%)	(2.00%)	(3.00%)
Remeasurement of deferred taxes	(1.00%)	(3.00%)	(4.00%)
Resolution of prior years’ income tax items	(2.00%)	(2.00%)	0.00%
Noncontrolling interests	(3.00%)	0.00%	(2.00%)
Tax credits	(5.00%)	(1.00%)	0.00%
Utility repairs expenditures	(6.00%)	(5.00%)	(9.00%)
Other, net	0.00%	0.00%	(1.00%)
Effective income tax rate	15.00%	28.00%	12.00%
SDG&E
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Line Items]
Net income, income tax expense (benefit), attributable to parent	$ (26)	$ 182	$ 201
Income before income taxes and equity earnings	910	1,097	1,020
Pretax income	$ 910	$ 1,097	$ 1,020
Effective Income Tax Rate Reconciliation, Percent [Abstract]
U.S. federal statutory income tax rate	21.00%	21.00%	21.00%
Utility depreciation	5.00%	3.00%	3.00%
State income taxes, net of federal income tax benefit	2.00%	4.00%	5.00%
Utility self-developed software expenditures	(1.00%)	0.00%	(1.00%)
Allowance for equity funds used during construction	(2.00%)	(2.00%)	(2.00%)
Amortization of excess deferred income taxes	(2.00%)	(2.00%)	(2.00%)
Resolution of prior years’ income tax items	(1.00%)	(2.00%)	0.00%
Tax credits	(16.00%)	0.00%	0.00%
Utility repairs expenditures	(8.00%)	(5.00%)	(4.00%)
Other, net	(1.00%)	0.00%	0.00%
Effective income tax rate	(3.00%)	17.00%	20.00%
SoCalGas
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Line Items]
Net income, income tax expense (benefit), attributable to parent	$ (5)	$ 138	$ (310)
Income before income taxes and equity earnings	807	738	(736)
Pretax income	$ 807	$ 738	$ (736)
Effective Income Tax Rate Reconciliation, Percent [Abstract]
U.S. federal statutory income tax rate	21.00%	21.00%	21.00%
Utility depreciation	5.00%	5.00%	(5.00%)
State income taxes, net of federal income tax benefit	(2.00%)	2.00%	11.00%
Nondeductible expenditures	0.00%	2.00%	0.00%
Utility self-developed software expenditures	(2.00%)	0.00%	5.00%
Allowance for equity funds used during construction	(1.00%)	(2.00%)	1.00%
Amortization of excess deferred income taxes	(2.00%)	(2.00%)	2.00%
Resolution of prior years’ income tax items	(6.00%)	0.00%	0.00%
Utility repairs expenditures	(14.00%)	(6.00%)	5.00%
Other, net	0.00%	(1.00%)	2.00%
Effective income tax rate	(1.00%)	19.00%	42.00%

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