Inventories

9 Months Ended

Sep. 30, 2023

Inventory Disclosure [Abstract]

Inventories

Inventories

Crude oil and natural gas liquids are recorded at weighted average cost and carried at the lower of cost or net realizable value. Supplies and other items consist principally of tubular goods and equipment which are valued at weighted average cost and reviewed periodically for obsolescence or impairment when market conditions indicate.

(In millions)	September 30, 2023		December 31, 2022
Crude oil and natural gas liquids	$	9	$	15
Supplies and other items	165		110
Inventories	$	174	$	125