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Inventories (Tables)
3 Months Ended
Mar. 31, 2022
Inventory Disclosure [Abstract]  
Schedule of Inventory [Table Text Block]
Inventories were as follows (in millions):
 December 31,
2021
March 31,
2022
Raw materials, work-in-process, and supplies$5,785 $6,117 
Finished products6,280 8,530 
Total inventories$12,065 $14,647