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Trust Investments - Schedule of Amount Available-For-Sale Debt Securities By Maturity Periods (Details) $ in Millions | Dec. 31, 2024 USD ($)
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Nuclear Decommissioning Trust (NDT) Fund [Member] |
Schedule of Trust Investments [Line Items] |
Total Available-for-Sale Debt Securities | $ 1,266
Rabbi Trust [Member] |
Schedule of Trust Investments [Line Items] |
Total Available-for-Sale Debt Securities | 148
Debt Securities [Member] | Nuclear Decommissioning Trust (NDT) Fund [Member] |
Schedule of Trust Investments [Line Items] |
Less than one year | 17
1 - 5 years | 358
6 - 10 years | 215
11 - 15 years | 64
16 - 20 years | 109
Over 20 years | 503
Debt Securities [Member] | Rabbi Trust [Member] |
Schedule of Trust Investments [Line Items] |
Less than one year | 4
1 - 5 years | 30
6 - 10 years | 16
11 - 15 years | 10
16 - 20 years | 15
Over 20 years | $ 73

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