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Inventories (Tables)
9 Months Ended
Sep. 30, 2018
Inventory, Net [Abstract]  
Schedule Of Inventory
Inventories consisted of the following:
 
September 30, 2018
 
December 31, 2017
Natural gas, NGLs, and refined products
$
1,072

 
$
1,120

Crude oil
643

 
551

Spare parts and other
351

 
351

Total inventories
$
2,066

 
$
2,022