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GENERAL INFORMATION AND OTHER FINANCIAL DATA - OTHER INCOME (EXPENSE), NET (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Other Income [Line Items] |  |  |  |
Allowance for equity funds used during construction | $ 38 | $ 37 | $ 75 | $ 70
Investment gains, net | 3 | 5 | 19 | 17
Gains (losses) on interest rate and foreign exchange instruments, net | 1 | (1) | 1 | 4
Foreign currency transaction (losses) gains, net | (2) | 3 | (1) | 4
Non-service components of net periodic benefit cost | 32 | 26 | 4 | 51
Interest on regulatory balancing accounts, net | 24 | 19 | 42 | 37
Sundry, net | (2) | (6) | (3) | (9)
Total | 30 | 31 | 129 | 72
SDG&E |  |  |  |
Other Income [Line Items] |  |  |  |
Allowance for equity funds used during construction | 19 | 23 | 39 | 46
Non-service components of net periodic benefit cost | 3 | 5 | (7) | 9
Interest on regulatory balancing accounts, net | 11 | 11 | 18 | 21
Sundry, net | (4) | (7) | (8) | (8)
Total | 23 | 22 | 56 | 50
SoCalGas |  |  |  |
Other Income [Line Items] |  |  |  |
Allowance for equity funds used during construction | 19 | 14 | 36 | 24
Non-service components of net periodic benefit cost | 17 | 19 | (4) | 38
Interest on regulatory balancing accounts, net | 13 | 8 | 24 | 16
Sundry, net | (2) | (2) | (4) | (9)
Total | $ 13 | $ 1 | $ 60 | $ (7)

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