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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
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