XML 34 R25.htm IDEA: XBRL DOCUMENT v3.22.2
Inventories (Tables)
6 Months Ended
Jun. 30, 2022
Inventory Disclosure [Abstract]  
Schedule of Inventories Inventories consisted of the following:
millionsJune 30, 2022December 31, 2021
Raw materials$111 $96 
Materials and supplies837 783 
Commodity inventory and finished goods715 1,066 
1,663 1,945 
Revaluation to LIFO(99)(99)
Total
$1,564 $1,846