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GENERAL INFORMATION AND OTHER FINANCIAL DATA - CAPITALIZED FINANCING COSTS (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025
Capitalized Financing Costs Disclosure [Line Items] |  |  |  |
Capitalized interest | $ 195 | $ 133 | $ 379 | $ 253
AFUDC debt | 14 | 16 | 27 | 29
AFUDC equity | 38 | 46 | 80 | 87
SDG&E |  |  |  |
Capitalized Financing Costs Disclosure [Line Items] |  |  |  |
AFUDC debt | 7 | 9 | 13 | 15
AFUDC equity | 16 | 23 | 33 | 42
SoCalGas |  |  |  |
Capitalized Financing Costs Disclosure [Line Items] |  |  |  |
AFUDC debt | 7 | 7 | 14 | 14
AFUDC equity | $ 15 | $ 18 | $ 30 | $ 36

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