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OTHER CONTINGENCIES AND COMMITMENTS (Nuclear Insurance and Purchase Commitments) (Details) | 3 Months Ended
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Mar. 31, 2023 USD ($) nuclear_generating_unit
Long-term Purchase Commitment [Line Items] |
Number of nuclear generating units (nuclear generating unit) | nuclear_generating_unit | 2
Nuclear Electric Insurance Limited and European Mutual Association for Nuclear Insurance |
Long-term Purchase Commitment [Line Items] |
Insurance coverage, loss | $ 400,000,000
Humboldt Bay Unit |
Long-term Purchase Commitment [Line Items] |
Amount of property damage coverage provided by NEIL | 50,000,000
Nuclear Incident |
Long-term Purchase Commitment [Line Items] |
Amount of property damage and business interruption coverage provided by NEIL for Diablo Canyon | 3,200,000,000
Non-Nuclear Incident |
Long-term Purchase Commitment [Line Items] |
Amount of property damage and business interruption coverage provided by NEIL for Diablo Canyon | 2,500,000,000
European Mutual Association for Nuclear Insurance |
Long-term Purchase Commitment [Line Items] |
Full insurance policy limit | 200,000,000
Potential premium obligation | 4,000,000
Nuclear Electric Insurance Limited |
Long-term Purchase Commitment [Line Items] |
Potential premium obligation | $ 41,000,000

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- Definition Full Insurance Policy Limit + References No definition available. + Details
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- Definition Loss Contingency, Insurance Coverage, Loss + References No definition available. + Details
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- Definition Number Of Nuclear Generating Units + References No definition available. + Details
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Period Type: | duration

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- Definition Property damage and business interruption coverage per nuclear incident provided by nuclear insurance + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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Period Type: | instant

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- Definition Property damage coverage per nuclear incident provided by nuclear insurance + References No definition available. + Details
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Balance Type: | debit
Period Type: | instant

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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Namespace Prefix: |
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Balance Type: |
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |