Summary of Accounting Policies (Environmental Liabilities Narrative) (Details)	12 Months Ended
Dec. 31, 2024
Accounting Policies [Abstract]
Environmental liabilities accrual period	15 years

Describes the important assumptions underlying the estimate of the remediation loss, and may describe any changes in the assumptions made since the last reporting period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.Y.Q2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480102/450-20-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.Y.Q4)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480102/450-20-S99-1

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