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FAIR VALUE MEASUREMENTS - RECON OF LEVEL 3 ASSETS (Details) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 USD ($) $ / MWh | Jun. 30, 2022 USD ($) $ / MWh | Jun. 30, 2023 USD ($) $ / MWh | Jun. 30, 2022 USD ($) $ / MWh
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |  |  |
Beginning balance | $ 30 | $ 58 | $ 35 | $ 54
Realized and unrealized losses | (4) | (30) | (8) | (23)
Allocated transmission instruments | (2) | (6) | (2) | (6)
Settlements | (4) | 11 | (5) | 8
Ending balance | 20 | 33 | 20 | 33
Change in unrealized losses relating to instruments still held at June 30 | (7) | (23) | (9) | (18)
Sempra Infrastructure |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Beginning balance | 24 | 12 | 17 | 7
Realized and unrealized gains | 1 | 6 | 10 | 14
Settlements | (2) | (2) | (4) | (5)
Ending balance | 23 | 16 | 23 | 16
Change in unrealized gains (losses) relating to instruments still held at the end of the period | 1 | 5 | 9 | 13
Sempra Infrastructure | Other current assets |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Ending balance | 7 |  | 7 |
Sempra Infrastructure | Other long-term assets |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Ending balance | 16 |  | 16 |
San Diego Gas and Electric Company |  |  |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |  |  |
Beginning balance | 30 | 58 | 35 | 54
Realized and unrealized losses | (4) | (30) | (8) | (23)
Allocated transmission instruments | (2) | (6) | (2) | (6)
Settlements | (4) | 11 | (5) | 8
Ending balance | 20 | 33 | 20 | 33
Change in unrealized losses relating to instruments still held at June 30 | $ (7) | $ (23) | $ (9) | $ (18)
Level 3 | San Diego Gas and Electric Company | Minimum |  |  |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |  |  |
Congestion revenue rights (in dollars per MWH) | $ / MWh |  |  | (3.09) | (3.67)
Market electricity forward price inputs ( in dollars per MWH) | $ / MWh | 22.75 | 25.25 | 22.75 | 25.25
Level 3 | San Diego Gas and Electric Company | Maximum |  |  |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |  |  |
Congestion revenue rights (in dollars per MWH) | $ / MWh |  |  | 10.71 | 6.96
Market electricity forward price inputs ( in dollars per MWH) | $ / MWh | 117.50 | 125.00 | 117.50 | 125.00
Level 3 | San Diego Gas and Electric Company | 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 |  |  | (0.56) | (0.70)
Market electricity forward price inputs ( in dollars per MWH) | $ / MWh | 74.02 | 66.36 | 74.02 | 66.36

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