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FAIR VALUE MEASUREMENTS - FINANCIAL INSTRUMENTS (Details) - USD ($) $ in Millions | Jun. 30, 2026 | Dec. 31, 2025
--- | --- | ---
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Notes receivable, allowance for credit losses | $ 4 | $ 4
Notes receivable, unamortized transaction costs | 2 | 3
Long-term debt held for sale, unamortized discount and debt issuance costs | 125 | 132
Unamortized discount and debt issuance costs | 329 | 305
Finance lease obligations | 1,264 | 1,293
Carrying amount |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Long-term note receivable | 379 | 369
Long-term amounts due to unconsolidated affiliates held for sale | 506 | 477
Long-term debt held for sale | 9,201 | 7,925
Long-term debt | 32,163 | 29,867
Fair value |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Long-term note receivable | 372 | 366
Long-term amounts due to unconsolidated affiliates held for sale | 488 | 463
Long-term debt held for sale | 8,845 | 7,611
Long-term debt | 30,194 | 28,282
Fair value | Level 1 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Long-term note receivable | 0 | 0
Long-term amounts due to unconsolidated affiliates held for sale | 0 | 0
Long-term debt held for sale | 0 | 0
Long-term debt | 0 | 0
Fair value | Level 2 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Long-term note receivable | 0 | 0
Long-term amounts due to unconsolidated affiliates held for sale | 488 | 463
Long-term debt held for sale | 8,845 | 7,611
Long-term debt | 30,194 | 28,282
Fair value | Level 3 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Long-term note receivable | 372 | 366
Long-term amounts due to unconsolidated affiliates held for sale | 0 | 0
Long-term debt held for sale | 0 | 0
Long-term debt | 0 | 0
SDG&E |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Unamortized discount and debt issuance costs | 108 | 97
Finance lease obligations | 1,159 | 1,176
SDG&E | Carrying amount |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Long-term debt | 10,150 | 9,800
SDG&E | Fair value |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Long-term debt | 9,037 | 8,810
SDG&E | Fair value | Level 1 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Long-term debt | 0 | 0
SDG&E | Fair value | Level 2 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Long-term debt | 9,037 | 8,810
SDG&E | Fair value | Level 3 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Long-term debt | 0 | 0
SoCalGas |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Unamortized discount and debt issuance costs | 85 | 78
Finance lease obligations | 105 | 117
SoCalGas | Carrying amount |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Long-term debt | 8,255 | 8,109
SoCalGas | Fair value |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Long-term debt | 7,845 | 7,818
SoCalGas | Fair value | Level 1 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Long-term debt | 0 | 0
SoCalGas | Fair value | Level 2 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Long-term debt | 7,845 | 7,818
SoCalGas | Fair value | Level 3 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Long-term debt | $ 0 | $ 0

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