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FAIR VALUE MEASUREMENTS - RECON OF LEVEL 3 ASSETS (Details) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) | Jun. 30, 2024 USD ($) $ / MWh | Jun. 30, 2023 USD ($) $ / MWh
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |  |  |
Beginning balance | $ 9 | $ 30 | $ 10 | $ 35
Realized and unrealized gains (losses), net | (2) | (4) | (3) | (8)
Allocated transmission instruments | 0 | (2) | 0 | (2)
Settlements | (1) | (4) | (1) | (5)
Ending balance | 6 | 20 | 6 | 20
Change in unrealized losses relating to instruments still held at June 30 | (1) | (7) | (2) | (9)
Other Sempra |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Beginning balance | 23 | 24 | 23 | 17
Realized and unrealized gains (losses), net | 2 | 1 | 4 | 10
Settlements | (2) | (2) | (4) | (4)
Ending balance | 23 | 23 | 23 | 23
Change in unrealized gains relating to instruments still held at June 30 | 2 | 1 | 3 | 9
Other Sempra | Other current assets |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Ending balance | 7 |  | 7 |
Other Sempra | Other long-term assets |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Ending balance | 16 |  | 16 |
SDG&E |  |  |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |  |  |
Beginning balance | 9 | 30 | 10 | 35
Realized and unrealized gains (losses), net | (2) | (4) | (3) | (8)
Allocated transmission instruments | 0 | (2) | 0 | (2)
Settlements | (1) | (4) | (1) | (5)
Ending balance | 6 | 20 | 6 | 20
Change in unrealized losses relating to instruments still held at June 30 | $ (1) | $ (7) | $ (2) | $ (9)
Level 3 | SDG&E | Minimum |  |  |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |  |  |
Congestion revenue rights (in dollars per MWH) | $ / MWh |  |  | (3.69) | (3.09)
Level 3 | SDG&E | Maximum |  |  |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |  |  |
Congestion revenue rights (in dollars per MWH) | $ / MWh |  |  | 9.55 | 10.71
Level 3 | SDG&E | Weighted Average |  |  |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |  |  |
Congestion revenue rights (in dollars per MWH) | $ / MWh |  |  | (0.44) | (0.56)

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