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COMMITMENTS AND CONTINGENCIES - LEASE INCOME STATEMENT INFORMATION (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Lessee, Lease, Description [Line Items] |  |  |
Operating lease costs | $ 118 | $ 99 | $ 83
Amortization of ROU assets | 65 | 60 | 48
Interest on lease liabilities | 178 | 182 | 184
Total finance lease costs | 243 | 242 | 232
Short-term lease costs | 9 | 9 | 3
Variable lease costs | 472 | 458 | 411
Total lease costs | 842 | 808 | 729
Purchased-Power Agreements |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Operating lease costs | 37 | 21 | 10
Depreciation and Amortization Expense |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Amortization of ROU assets | 30 | 29 | 25
SDG&E |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Operating lease costs | 71 | 53 | 45
Amortization of ROU assets | 42 | 40 | 33
Interest on lease liabilities | 173 | 177 | 181
Total finance lease costs | 215 | 217 | 214
Short-term lease costs | 8 | 8 | 2
Variable lease costs | 460 | 447 | 399
Total lease costs | 754 | 725 | 660
SDG&E | Purchased-Power Agreements |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Operating lease costs | 37 | 21 | 10
SDG&E | Depreciation and Amortization Expense |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Amortization of ROU assets | 29 | 28 | 24
SoCalGas |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Operating lease costs | 12 | 13 | 18
Amortization of ROU assets | 23 | 20 | 15
Interest on lease liabilities | 6 | 5 | 2
Total finance lease costs | 29 | 25 | 17
Short-term lease costs | 0 | 0 | 0
Variable lease costs | 10 | 10 | 11
Total lease costs | 51 | 48 | 46
SoCalGas | Depreciation and Amortization Expense |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Amortization of ROU assets | $ 1 | $ 1 | $ 1

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