XML 55 R33.htm IDEA: XBRL DOCUMENT v3.22.0.1
Inventories (Tables)
12 Months Ended
Dec. 31, 2021
Inventory Disclosure [Abstract]  
Inventories
December 31
Millions of dollars20212020
Finished products and parts$1,380$1,330
Raw materials and supplies890952
Work in process9167
Total$2,361$2,349