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Inventories (Tables)
9 Months Ended
Sep. 30, 2022
Inventory Disclosure [Abstract]  
Schedule of Inventory
Inventories consisted of the following:
September 30,
2022
December 31,
2021
 (In millions)
Crude oil and natural gas liquids$96 $52 
Materials and supplies182 171 
Total Inventories$278 $223