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Business Segments - Business Segment Reporting Information (Details) (Parenthetical) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |
Other | $ 40 |  | $ 67 |
Insurance Deductible For Severe Weather Event In Tupelo [Member] |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |
Other |  | $ 14 |  | $ 14
Insurance Deductible For Severe Weather Event In Mississippi [Member] |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |
Other |  | $ 14 |  | $ 14

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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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X
- Details
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Balance Type: |
Period Type: |