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Commitments and Contingencies (Narrative) (Detail) $ in Millions | 12 Months Ended
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Dec. 31, 2021 USD ($) Lawsuits
Commitments And Contingencies [Line Items] |
Other material lawsuits pending | Lawsuits | 0
Fuel Line Lenders [Member] |
Commitments And Contingencies [Line Items] |
PREPA working capital | $ | $ 700

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- Details
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Period Type: |