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Debt and Credit Agreements (Long-term Debt) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Debt |  |
Current portion of long-term debt | $ (2,697) | $ (2,614)
Long-term debt | 30,316 | 27,025
Edison International Parent and Other |  |
Debt |  |
Current portion of long-term debt | (500) | (400)
Unamortized debt discount/premium and issuance costs, net | (31) | (19)
Long-term debt | 4,019 | 2,981
Edison International Parent and Other | Debentures and notes |  |
Debt |  |
Long-term debt | $ 4,550 | 3,400
Edison International Parent and Other | Debentures and notes | Minimum |  |
Debt |  |
Interest rate on debt (as a percent) | 3.55% |
Edison International Parent and Other | Debentures and notes | Maximum |  |
Debt |  |
Interest rate on debt (as a percent) | 8.13% |
SCE |  |
Debt |  |
Current portion of long-term debt | $ (2,197) | (2,214)
Unamortized debt discount/premium and issuance costs, net | (165) | (149)
Long-term debt | 26,297 | 24,044
SCE | Debentures and notes |  |
Debt |  |
Long-term debt | $ 306 | 306
SCE | Debentures and notes | Minimum |  |
Debt |  |
Interest rate on debt (as a percent) | 5.06% |
SCE | Debentures and notes | Maximum |  |
Debt |  |
Interest rate on debt (as a percent) | 6.65% |
SCE | First and refunding mortgage bonds |  |
Debt |  |
Long-term debt | $ 24,700 | 23,900
SCE | First and refunding mortgage bonds | Minimum |  |
Debt |  |
Interest rate on debt (as a percent) | 0.98% |
SCE | First and refunding mortgage bonds | Maximum |  |
Debt |  |
Interest rate on debt (as a percent) | 6.05% |
SCE | Pollution-control bonds |  |
Debt |  |
Long-term debt | $ 752 | 752
SCE | Pollution-control bonds | Minimum |  |
Debt |  |
Interest rate on debt (as a percent) | 1.45% |
SCE | Pollution-control bonds | Maximum |  |
Debt |  |
Interest rate on debt (as a percent) | 4.50% |
SCE | Senior secured recovery bonds |  |
Debt |  |
Long-term debt | $ 1,579 | 849
SCE | Senior secured recovery bonds | Minimum |  |
Debt |  |
Interest rate on debt (as a percent) | 0.86% |
SCE | Senior secured recovery bonds | Maximum |  |
Debt |  |
Interest rate on debt (as a percent) | 5.11% |
SCE | Other long-term debt |  |
Debt |  |
Long-term debt | $ 1,322 | $ 600
Other long-term debt | $ 722 |
SCE | Other long-term debt | Secured Overnight Financing Rate ("SOFR") |  |
Debt |  |
Variable rate on debt (as a percent) | 0.90% | 0.90%

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