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v3.23.2

Fair Value Measurements (Hierarchy) (Details) - USD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Assets at fair value |  |
Nuclear decommissioning trusts | $ 4,126 | $ 3,948
SCE |  |
Assets at fair value |  |
Nuclear decommissioning trusts | $ 4,126 | $ 3,948
Liabilities at fair value |  |
Percentage of equity investments located in the United States (as a percent) | 75.00% | 74.00%
Collateralized mortgage obligations and other asset backed securities | $ 77 | $ 49
Receivable (payables), net, related to investments | (96) | (85)
SCE | Fair Value, Measurements, Recurring |  |
Assets at fair value |  |
Netting and Collateral | (11) | (218)
Derivative contracts, net | 13 | 241
Money market funds and other | 27 | 669
Nuclear decommissioning trusts | 4,222 | 4,033
Total assets | 4,262 | 4,943
Liabilities at fair value |  |
Netting and Collateral | (63) | (119)
Derivative contracts, net | 0 | 1
Total liabilities | 0 | 1
Net assets | 4,262 | 4,942
Netting and Collateral, Total | 52 | (99)
SCE | Fair Value, Measurements, Recurring | Level 1 |  |
Assets at fair value |  |
Derivative contracts | 0 |
Money market funds and other | 5 | 647
Nuclear decommissioning trusts | 2,787 | 2,688
Total assets | 2,792 | 3,335
Liabilities at fair value |  |
Derivative contracts | 0 |
Total liabilities | 0 |
Net assets | 2,792 | 3,335
SCE | Fair Value, Measurements, Recurring | Level 2 |  |
Assets at fair value |  |
Derivative contracts | 11 | 392
Money market funds and other | 22 | 22
Nuclear decommissioning trusts | 1,435 | 1,345
Total assets | 1,468 | 1,759
Liabilities at fair value |  |
Derivative contracts | 62 | 116
Total liabilities | 62 | 116
Net assets | 1,406 | 1,643
SCE | Fair Value, Measurements, Recurring | Level 3 |  |
Assets at fair value |  |
Derivative contracts | 13 | 67
Money market funds and other | 0 |
Nuclear decommissioning trusts | 0 |
Total assets | 13 | 67
Liabilities at fair value |  |
Derivative contracts | 1 | 4
Total liabilities | 1 | 4
Net assets | 12 | 63
SCE | Fair Value, Measurements, Recurring | Equity securities |  |
Assets at fair value |  |
Nuclear decommissioning trusts | 1,632 | 1,610
SCE | Fair Value, Measurements, Recurring | Equity securities | Level 1 |  |
Assets at fair value |  |
Nuclear decommissioning trusts | 1,632 | 1,610
SCE | Fair Value, Measurements, Recurring | Equity securities | Level 2 |  |
Assets at fair value |  |
Nuclear decommissioning trusts | 0 |
SCE | Fair Value, Measurements, Recurring | Equity securities | Level 3 |  |
Assets at fair value |  |
Nuclear decommissioning trusts | 0 |
SCE | Fair Value, Measurements, Recurring | Fixed Income |  |
Assets at fair value |  |
Nuclear decommissioning trusts | 2,340 | 2,222
SCE | Fair Value, Measurements, Recurring | Fixed Income | Level 1 |  |
Assets at fair value |  |
Nuclear decommissioning trusts | 936 | 941
SCE | Fair Value, Measurements, Recurring | Fixed Income | Level 2 |  |
Assets at fair value |  |
Nuclear decommissioning trusts | 1,404 | 1,281
SCE | Fair Value, Measurements, Recurring | Fixed Income | Level 3 |  |
Assets at fair value |  |
Nuclear decommissioning trusts | 0 |
SCE | Fair Value, Measurements, Recurring | Short-term investments, primarily cash equivalents |  |
Assets at fair value |  |
Nuclear decommissioning trusts | 250 | 201
SCE | Fair Value, Measurements, Recurring | Short-term investments, primarily cash equivalents | Level 1 |  |
Assets at fair value |  |
Nuclear decommissioning trusts | 219 | 137
SCE | Fair Value, Measurements, Recurring | Short-term investments, primarily cash equivalents | Level 2 |  |
Assets at fair value |  |
Nuclear decommissioning trusts | 31 | $ 64
SCE | Fair Value, Measurements, Recurring | Short-term investments, primarily cash equivalents | Level 3 |  |
Assets at fair value |  |
Nuclear decommissioning trusts | $ 0 |

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- Definition The fair value of investments held in a trust fund to pay for the costs of decontaminating and decommissioning facilities, whether such amount is presented as a separate caption or as a parenthetical disclosure on the balance sheet. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481850/410-20-50-1 + Details
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