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PROPERTY (Tables)
 12 Months Ended
Dec. 31, 2021
Property, Plant and Equipment [Abstract]  
Schedule of property
The following table provides a breakdown of property:
 
Property at Dec 31Estimated Useful 
Lives (Years)		20212020
In millions
Land and land improvements
0-25
$2,045 $2,011 
Buildings
5-50
5,108 4,976 
Machinery and equipment
3-25
42,627 42,108 
Other property
3-50
6,286 5,626 
Construction in progress— 1,538 1,604 
Total property $57,604 $56,325 

In millions202120202019
Depreciation expense$2,063 $2,092 $2,156 
Capitalized interest$59 $64 $80