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RESEARCH AND DEVELOPMENT COSTS (Tables)
3 Months Ended
Mar. 31, 2021
Research and Development [Abstract]  
Schedule of research and development costs
The following table presents the Company’s gross and net expenditures on R&D activities:
Three Months Ended March 31,
(in millions)20212020
Gross R&D expenditures$200 $118 
Customer reimbursements(17)(9)
Net R&D expenditures$183 $109