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Inventory, Linefill and Long-term Inventory (Tables)
12 Months Ended
Dec. 31, 2022
Inventory Disclosure [Abstract]  
Schedule of inventory, linefill and base gas and long-term inventory
Inventory, linefill and long-term inventory consisted of the following (barrels in thousands and carrying value in millions):

December 31, 2022December 31, 2021
VolumesUnit of
Measure
Carrying
Value
Price/
Unit (1)
VolumesUnit of
Measure
Carrying
Value
Price/
Unit (1)
Inventory
Crude oil6,713 barrels$452 $67.33 8,041 barrels$544 $67.65 
NGL7,285 barrels270 $37.06 6,982 barrels234 $33.51 
OtherN/AN/AN/AN/A
Inventory subtotal729 783 
Linefill
Crude oil15,480 barrels906 $58.53 15,199 barrels862 $56.71 
NGL1,876 barrels55 $29.32 1,633 barrels45 $27.56 
Linefill subtotal961 907 
Long-term inventory
Crude oil3,102 barrels246 $79.30 2,973 barrels209 $70.30 
NGL1,066 barrels38 $35.65 1,135 barrels44 $38.77 
Long-term inventory subtotal284 253 
Total$1,974 $1,943 
(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.