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RESEARCH AND DEVELOPMENT (Tables)
 12 Months Ended
Dec. 31, 2020
Research and Development [Abstract]  
Summary of research and development Research and development costs for the years 2020, 2019 and 2018 consists of:
(in millions)202020192018
Product related research and development$420 $434 $376 
Quality assurance32 37 37 
Research and development$452 $471 $413