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Derivative Instruments (Tables) | 12 Months Ended
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Dec. 31, 2023
Derivative Instruments |
Schedule of derivatives financial position | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2023
​ | ​ | Derivative Assets | ​ | Derivative Liabilities
(in millions) |  | Short-Term1 |  | Short-Term2
Commodity derivative contracts |  | ​ |  |  | ​ |
Gross amounts recognized | ​ | $ | 94 | ​ | $ | 77
Gross amounts offset in the consolidated balance sheets | ​ |  | (3) | ​ | ​ | (3)
Cash collateral posted | ​ |  | — | ​ |  | (74)
Net amounts presented in the consolidated balance sheets | ​ | $ | 91 | ​ | $ | —
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2022
​ | ​ | Derivative Assets | ​ | Derivative Liabilities
(in millions) |  | Short-Term1 |  | Short-Term2
Commodity derivative contracts |  | ​ |  |  | ​ |
Gross amounts recognized | ​ | $ | 459 | ​ | $ | 120
Gross amounts offset in the consolidated balance sheets | ​ |  | (119) | ​ |  | (119)
Cash collateral received | ​ |  | (99) | ​ |  | —
Net amounts presented in the consolidated balance sheets | ​ | $ | 241 | ​ | $ | 1
1 | Included in "Other current assets" on SCE's consolidated balance sheets.
2 | Included in "Other current liabilities" on SCE's consolidated balance sheets.
Schedule of gains/(losses) of SCE's economic hedging activity | The following table summarizes the gains/(losses) of SCE's economic hedging activity:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | Years ended December 31,
(in millions) |  | ​ | 2023 | ​ | ​ | 2022 | ​ | ​ | 2021
Realized | ​ | $ | (14) | ​ | $ | 178 | ​ | $ | 200
Unrealized | ​ |  | (322) | ​ |  | 310 | ​ |  | (75)
Schedule of notional volumes of derivatives | The following table summarizes the notional volumes of derivatives used for SCE's economic hedging activities:
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Economic Hedges
​ | ​ | Unit of | ​ | December 31,
Commodity |  | Measure |  | 2023 |  | 2022
Electricity options, swaps and forwards |  | Gigawatt hours |  | 3,494 |  | 1,022
Natural gas options, swaps and forwards |  | Billion cubic feet |  | 31 |  | 42
Congestion revenue rights |  | Gigawatt hours |  | 35,011 |  | 44,028
​

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