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Inventories (Tables)
3 Months Ended
Mar. 31, 2019
Inventory, Net [Abstract]  
Schedule Of Inventory
Inventories consisted of the following:
 
March 31, 2019
 
December 31, 2018
Natural gas, NGLs and refined products
$
760

 
$
833

Crude oil
589

 
506

Spare parts and other
373

 
338

Total inventories
$
1,722

 
$
1,677