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Inventory, Linefill and Long-term Inventory
9 Months Ended
Sep. 30, 2023
Inventory Disclosure [Abstract]  
Inventory, Linefill and Long-term Inventory Inventory, Linefill and Long-term Inventory
 
Inventory, linefill and long-term inventory consisted of the following (barrels in thousands and carrying value in millions):

 September 30, 2023December 31, 2022
 VolumesUnit of
Measure
Carrying
Value
Price/
Unit (1)
VolumesUnit of
Measure
Carrying
Value
Price/
Unit (1)
Inventory        
Crude oil4,491 barrels$366 $81.50 6,713 barrels$452 $67.33 
NGL9,107 barrels242 $26.57 7,285 barrels270 $37.06 
OtherN/A N/AN/A N/A
Inventory subtotal  617    729  
Linefill        
Crude oil15,255 barrels891 $58.41 15,480 barrels906 $58.53 
NGL2,195 barrels66 $30.07 1,876 barrels55 $29.32 
Linefill subtotal  957    961  
Long-term inventory        
Crude oil3,254 barrels290 $89.12 3,102 barrels246 $79.30 
NGL1,326 barrels37 $27.90 1,066 barrels38 $35.65 
Long-term inventory subtotal  327    284  
Total  $1,901    $1,974  
(1)Price per unit of measure is comprised of a weighted average associated with various grades, qualities and locations. Accordingly, these prices may not coincide with any published benchmarks for such products.