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INCOME TAXES - RECONCILIATION TO EFFECTIVE TAX RATE (Details) - USD ($) $ in Millions | 12 Months Ended
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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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