Contingencies (Details) $ in Millions |
1 Months Ended | 6 Months Ended |
|---|---|---|
|
Sep. 30, 2025
USD ($)
|
Jun. 30, 2026
USD ($)
Party
|
|
| Loss Contingencies [Line Items] | ||
| Number of potentially responsible parties | Party | 100 | |
| Investigation-related costs | $ 115 | |
| Undiscounted estimated total cost | 1,700 | |
| Long-term operation and maintenance costs | 500 | |
| lower range of costs | 2,500 | |
| upper range of costs | 5,500 | |
| Estimated low end of share of liability | 20 | |
| EPA Investigation of Portland Harbor [Member] | ||
| Loss Contingencies [Line Items] | ||
| Remediation construction costs | $ 1,200 | |
| Loss from Catastrophes [Member] | ||
| Loss Contingencies [Line Items] | ||
| Remediation construction costs | $ 375 |
| X | ||||||||||
- Definition lower range of costs No definition available.
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| X | ||||||||||
- Definition Number of potentially responsible parties. No definition available.
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| X | ||||||||||
- Definition upper range of costs No definition available.
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| X | ||||||||||
- Definition Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of loss contingency liability. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The value (monetary amount) of the award the plaintiff seeks in the legal matter. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The difference between the maximum amount of estimated loss and the amount recorded as of the balance sheet date. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Details
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- Details
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