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Litigation and Environmental - Portland (Details) - Environmental Protection Agency - Portland Harbor Superfund Site, Willamette River, Portland, Oregon $ in Billions | 12 Months Ended
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Dec. 31, 2024 USD ($) Terminals Parties
KMBT |
Site Contingency [Line Items] |
Number of Liquid Terminals | 2
KMLT |
Site Contingency [Line Items] |
Site Contingency, Loss Exposure Not Accrued, Best Estimate | $ | $ 2.8
Number of Liquid Terminals | 2
Loss Contingency, Number of Defendants | Parties | 90
Site Contingency, Disbursement Period, Estimate, Accrued | 10 years

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