Litigation and Environmental - Portland Harbor (Details) - Environmental Protection Agency - Portland Harbor Superfund Site, Willamette River, Portland, Oregon $ in Billions |
3 Months Ended |
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Mar. 31, 2026
USD ($)
Terminals
Parties
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| KMLT | |
| Site Contingency [Line Items] | |
| Site Contingency, Loss Exposure Not Accrued, Best Estimate | $ | $ 2.8 |
| Number of Liquid Terminals | 2 |
| Site Contingency, Disbursement Period, Estimate, Unrecognized | 10 years |
| Loss Contingency, Number of Defendants | Parties | 90 |
| KMBT | |
| Site Contingency [Line Items] | |
| Number of Liquid Terminals | 2 |
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- Definition Number of Liquid Terminals No definition available.
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- Definition Number of defendants named in a legal action. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Period of disbursement over which unrecognized amount may be paid out for an individual site or group of sites, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Best estimate of the loss exposure for reasonably possible environmental contingencies at an individual site for which no accrual has been recorded. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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