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Inventory, Linefill and Long-term Inventory (Tables)
3 Months Ended
Mar. 31, 2023
Inventory Disclosure [Abstract]  
Schedule of inventory
Inventory, linefill and long-term inventory consisted of the following (barrels in thousands and carrying value in millions):

 March 31, 2023December 31, 2022
 VolumesUnit of
Measure
Carrying
Value
Price/
Unit (1)
VolumesUnit of
Measure
Carrying
Value
Price/
Unit (1)
Inventory        
Crude oil5,373 barrels$342 $63.65 6,713 barrels$452 $67.33 
NGL3,427 barrels111 $32.39 7,285 barrels270 $37.06 
OtherN/A 10 N/AN/A N/A
Inventory subtotal  463    729  
Linefill        
Crude oil15,459 barrels907 $58.67 15,480 barrels906 $58.53 
NGL1,865 barrels55 $29.49 1,876 barrels55 $29.32 
Linefill subtotal  962    961  
Long-term inventory        
Crude oil3,136 barrels227 $72.39 3,102 barrels246 $79.30 
NGL1,063 barrels30 $28.22 1,066 barrels38 $35.65 
Long-term inventory subtotal  257    284  
Total  $1,682    $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.
Schedule of linefill and long-term inventory
Inventory, linefill and long-term inventory consisted of the following (barrels in thousands and carrying value in millions):

 March 31, 2023December 31, 2022
 VolumesUnit of
Measure
Carrying
Value
Price/
Unit (1)
VolumesUnit of
Measure
Carrying
Value
Price/
Unit (1)
Inventory        
Crude oil5,373 barrels$342 $63.65 6,713 barrels$452 $67.33 
NGL3,427 barrels111 $32.39 7,285 barrels270 $37.06 
OtherN/A 10 N/AN/A N/A
Inventory subtotal  463    729  
Linefill        
Crude oil15,459 barrels907 $58.67 15,480 barrels906 $58.53 
NGL1,865 barrels55 $29.49 1,876 barrels55 $29.32 
Linefill subtotal  962    961  
Long-term inventory        
Crude oil3,136 barrels227 $72.39 3,102 barrels246 $79.30 
NGL1,063 barrels30 $28.22 1,066 barrels38 $35.65 
Long-term inventory subtotal  257    284  
Total  $1,682    $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.