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RESEARCH AND DEVELOPMENT (Tables)
 9 Months Ended
Sep. 30, 2019
Research and Development [Abstract]  
Summary of research and development Research and development costs consist of:
 
 
Three Months Ended
September 30,
 
Nine Months Ended
September 30,
(in millions)
 
2019
 
2018
 
2019
 
2018
Product related research and development
 
$
114

 
$
98

 
$
329

 
$
265

Quality assurance
 
9

 
9

 
28

 
28

 
 
$
123

 
$
107

 
$
357

 
$
293