Accounting Policies - Property, Plant and Equipment (Details)	Dec. 31, 2025
Minimum | Buildings and building improvements
Property, Plant and Equipment [Line Items]
Estimated useful life (years)	15 years
Minimum | Pipelines, tanks and terminals
Property, Plant and Equipment [Line Items]
Estimated useful life (years)	10 years
Minimum | Other equipment
Property, Plant and Equipment [Line Items]
Estimated useful life (years)	3 years
Maximum | Buildings and building improvements
Property, Plant and Equipment [Line Items]
Estimated useful life (years)	40 years
Maximum | Pipelines, tanks and terminals
Property, Plant and Equipment [Line Items]
Estimated useful life (years)	40 years
Maximum | Other equipment
Property, Plant and Equipment [Line Items]
Estimated useful life (years)	15 years