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Investments in Unconsolidated Entities (Tables)
 6 Months Ended
Jun. 30, 2020
Equity Method Investments and Joint Ventures [Abstract]  
Schedule of investments in unconsolidated entities Our investments in unconsolidated entities consisted of the following (in millions, except percentage data):
Ownership Interest at June 30,
2020		Investment Balance
Entity (1)
Type of OperationJune 30,
2020		December 31,
2019
BridgeTex Pipeline Company, LLC
Crude Oil Pipeline20%$424  $431  
Cactus II Pipeline LLC
Crude Oil Pipeline65%789  738  
Capline Pipeline Company LLC
Crude Oil Pipeline (2)
54%503  484  
Diamond Pipeline LLC
Crude Oil Pipeline50%479  476  
Eagle Ford Pipeline LLC
Crude Oil Pipeline50%375  382  
Eagle Ford Terminals Corpus Christi LLC (“Eagle
Ford Terminals”)
Crude Oil Terminal and Dock50%122  126  
Red Oak Pipeline LLC (“Red Oak”)
Crude Oil Pipeline50%35  20  
Saddlehorn Pipeline Company, LLC (“Saddlehorn”)
Crude Oil Pipeline30%198  234  
STACK Pipeline LLC
Crude Oil Pipeline50%114  117  
White Cliffs Pipeline, LLC
Crude Oil Pipeline36%197  196  
Wink to Webster Pipeline LLC
Crude Oil Pipeline (3)
16%242  136  
Other investments303  343  
Total investments in unconsolidated entities
$3,781  $3,683  

(1)Except for Eagle Ford Terminals, which is reported in our Facilities segment, the financial results from the entities are reported in our Transportation segment.
(2)The Capline pipeline was taken out of service pending the reversal of the pipeline system.
(3)Asset is currently under construction and has not yet been placed in service.