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Derivative Instruments (Tables) | 6 Months Ended
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Jun. 30, 2024
Derivative Instruments |
Schedule of derivative assets financial position | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, 2024
​ | ​ | Derivative Assets | ​ | Derivative Liabilities
(in millions) |  | Short-Term1 |  | Short-Term
Commodity derivative contracts |  | ​ |  |  | ​ |
Gross amounts recognized | ​ | $ | 89 | ​ | $ | 110
Gross amounts offset in the consolidated balance sheets | ​ |  | (10) | ​ | ​ | (10)
Cash collateral posted | ​ |  | — | ​ |  | (100)
Net amounts presented in the consolidated balance sheets | ​ | $ | 79 | ​ | $ | —
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2023
​ | ​ | Derivative Assets | ​ | Derivative Liabilities
(in millions) |  | Short-Term1 |  | Short-Term
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 | ​ | $ | —
1 | Included in "Other current assets" on SCE's consolidated balance sheets.
Schedule of gains/(losses) of SCE's economic hedging activity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended June 30, | ​ | ​ | Six months ended June 30,
(in millions) |  | ​ | 2024 | ​ | ​ | 2023 |  | ​ | 2024 | ​ | ​ | 2023
Realized | ​ | $ | (55) | ​ | $ | (7) | ​ | $ | (126) | ​ | $ | 109
Unrealized | ​ |  | (9) | ​ |  | (114) | ​ |  | (37) | ​ |  | (378)
Schedule of notional volumes of derivatives | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Unit of | ​ | Economic Hedges
Commodity |  | Measure |  | June 30, 2024 |  | December 31, 2023
Electricity options, swaps and forwards |  | Gigawatt hours |  | 7,572 |  | 3,494
Natural gas options, swaps and forwards |  | Billion cubic feet |  | 17 |  | 31
Congestion revenue rights |  | Gigawatt hours |  | 18,571 |  | 35,011
​

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- Definition Tabular disclosure of derivative and other financial assets that are subject to offsetting, including master netting arrangements. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483466/210-20-50-4 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483466/210-20-50-3 + Details
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- Definition Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4E -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4E Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4C Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4A + Details
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