v3.26.3
Litigation and Environmental - Portland Harbor (Details) - Environmental Protection Agency - Portland Harbor Superfund Site, Willamette River, Portland, Oregon
$ in Billions
9 Months Ended
Sep. 30, 2026
USD ($)
Terminals
Parties
KMLT  
Site Contingency [Line Items]  
Site Contingency, Loss Exposure Not Accrued, Best Estimate | $ $ 2.8
Site Contingency, Disbursement Period, Estimate, Unrecognized 10 years
Loss Contingency, Number of Defendants | Parties 90
Number of Liquid Terminals 2
KMBT  
Site Contingency [Line Items]  
Number of Liquid Terminals 2