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Inventory, Linefill and Base Gas and Long-term Inventory (Tables) | 12 Months Ended
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Dec. 31, 2021
Inventory, Linefill and Base Gas and Long-term Inventory |
Schedule of inventory, linefill and base gas and long-term inventory | Inventory, linefill and base gas and long-term inventory consisted of the following (barrels and natural gas volumes in thousands and carrying value in millions):
| December 31, 2021 |  |  | December 31, 2020
| Volumes |  | Unit of Measure |  | Carrying Value |  | Price/ Unit (1) |  |  | Volumes |  | Unit of Measure |  | Carrying Value |  | Price/ Unit (1)
Inventory |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Crude oil | 8,041 |  |  | barrels |  | $ | 544 |  |  | $ | 67.65 |  |  |  | 13,450 |  |  | barrels |  | $ | 441 |  |  | $ | 32.79 |
NGL | 6,982 |  |  | barrels |  | 234 |  |  | $ | 33.51 |  |  |  | 12,302 |  |  | barrels |  | 199 |  |  | $ | 16.18 |
Other | N/A |  |  |  | 5 |  |  | N/A |  |  | N/A |  |  |  | 7 |  |  | N/A
Inventory subtotal |  |  |  |  | 783 |  |  |  |  |  |  |  |  |  | 647 |  |  |
Linefill and base gas |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Crude oil | 15,199 |  |  | barrels |  | 862 |  |  | $ | 56.71 |  |  |  | 14,669 |  |  | barrels |  | 828 |  |  | $ | 56.45 |
NGL | 1,633 |  |  | barrels |  | 45 |  |  | $ | 27.56 |  |  |  | 1,640 |  |  | barrels |  | 44 |  |  | $ | 26.83 |
Natural gas (2) | — |  |  | Mcf |  | — |  |  | $ | — |  |  |  | 25,576 |  |  | Mcf |  | 110 |  |  | $ | 4.30 |
Linefill and base gas subtotal |  |  |  |  | 907 |  |  |  |  |  |  |  |  |  | 982 |  |  |
Long-term inventory |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Crude oil | 2,973 |  |  | barrels |  | 209 |  |  | $ | 70.30 |  |  |  | 2,499 |  |  | barrels |  | 111 |  |  | $ | 44.42 |
NGL | 1,135 |  |  | barrels |  | 44 |  |  | $ | 38.77 |  |  |  | 1,185 |  |  | barrels |  | 19 |  |  | $ | 16.03 |
Long-term inventory subtotal |  |  |  |  | 253 |  |  |  |  |  |  |  |  |  | 130 |  |  |
Total |  |  |  |  | $ | 1,943 |  |  |  |  |  |  |  |  |  | $ | 1,759 |  |  |
(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. (2)Base gas with a carrying value of $110 million was included in the sale of our natural gas storage facilities, which closed in August 2021. See Note 7 for additional information.

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- Definition Tabular disclosure of the carrying amount as of the balance sheet date of inventory, linefill and base gas and long-term inventory. This may include, but is not limited to, the volumes, unit of measure, total value, and price per unit of each of the major classes of inventory. + References No definition available. + Details
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