v3.20.4
ORGANIZATION AND OPERATIONS Narrative 10 - Operations (Details)
bbl in Millions
12 Months Ended
Dec. 31, 2020
mi
bbl
Segment Information  
Number of business segments 3
Pipeline Segment | Central West Refined Products Pipelines  
Segment Information  
Pipeline length, in miles 3,205
Pipeline Segment | Crude Oil Pipelines  
Segment Information  
Pipeline length, in miles 2,205
Storage capacity, in barrels | bbl 5.6
Pipeline Segment | East and North Pipelines  
Segment Information  
Pipeline length, in miles 2,500
Storage capacity, in barrels | bbl 7.4
Pipeline Segment | Ammonia Pipeline  
Segment Information  
Pipeline length, in miles 2,000
Storage Segment  
Segment Information  
Storage capacity, in barrels | bbl 59.0