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Segment Information-Acquisitions and Dispositions (Details)
$ in Millions
3 Months Ended 9 Months Ended
Mar. 28, 2020
USD ($)
Sep. 26, 2020
USD ($)
segment
Dec. 31, 2019
USD ($)
Segment Information      
Number of reportable segments | segment   6  
Goodwill   $ 164 $ 164
CLDP | CT&M      
Segment Information      
Intangible assets $ 1    
Goodwill $ 0