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INCOME TAXES - UNRECOGNIZED TAX BENEFITS (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Reconciliation of Unrecognized Tax Benefits |  |  |
Beginning balance | $ 492 | $ 278 | $ 304
Increase in prior period tax positions | 40 | 308 | 16
Decrease in prior period tax positions | (8) | (63) | (2)
Decrease in current period tax positions | 0 | (21) | 0
Settlements with tax authorities | (15) | (16) | (43)
Expiration of statutes of limitations | 0 | 0 | (1)
Increase in current period tax positions | 39 | 6 | 4
Ending balance | 548 | 492 | 278
Of the total, amounts related to tax positions that, if recognized, in future years, would decrease the effective tax rate | (229) | (224) | (117)
Of the total, amounts related to tax positions that, if recognized, in future years, would increase the effective tax rate | 1 | 1 | 38
SDG&E |  |  |
Reconciliation of Unrecognized Tax Benefits |  |  |
Beginning balance | 14 | 14 | 14
Increase in prior period tax positions | 0 | 2 | 0
Settlements with tax authorities | 0 | (2) | 0
Ending balance | 14 | 14 | 14
Of the total, amounts related to tax positions that, if recognized, in future years, would decrease the effective tax rate | (11) | (11) | (11)
Of the total, amounts related to tax positions that, if recognized, in future years, would increase the effective tax rate | 1 | 1 | 1
SoCalGas |  |  |
Reconciliation of Unrecognized Tax Benefits |  |  |
Beginning balance | 29 | 77 | 72
Increase in prior period tax positions | 0 | 1 | 1
Decrease in prior period tax positions | 0 | (47) | 0
Settlements with tax authorities | 0 | (2) | 0
Increase in current period tax positions | 0 | 0 | 4
Ending balance | 29 | 29 | 77
Of the total, amounts related to tax positions that, if recognized, in future years, would decrease the effective tax rate | (29) | (29) | (67)
Of the total, amounts related to tax positions that, if recognized, in future years, would increase the effective tax rate | $ 0 | $ 0 | $ 37

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