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INVENTORIES (Tables)
3 Months Ended
Mar. 31, 2022
Inventory Disclosure [Abstract]  
Inventories Inventories included the following: 
In millionsMarch 31,
2022
December 31,
2021
Finished products$2,767 $2,538 
Work-in-process and raw materials2,028 2,009 
Inventories at FIFO cost4,795 4,547 
Excess of FIFO over LIFO(209)(192)
Total inventories$4,586 $4,355