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Operating Revenue (Tables)
 3 Months Ended
Mar. 31, 2021
Revenue from Contract with Customer [Abstract]  
Disaggregation of Revenue Operating revenue by product category, which is consistent with the Company's segment presentation, for the three months ended March 31, 2021 and 2020 was as follows:
Three Months Ended
March 31,
In millions20212020
Automotive OEM$783 $696 
Food Equipment451 483 
Test & Measurement and Electronics552 485 
Welding401 372 
Polymers & Fluids435 393 
Construction Products469 390 
Specialty Products457 414 
Intersegment revenue(4)(5)
Total operating revenue$3,544 $3,228