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Other Financial Data - Other Charges (Income) - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 28, 2019
Sep. 29, 2018
Sep. 28, 2019
Sep. 29, 2018
Business Acquisition [Line Items]        
Acquisition-related transaction fees $ 1 $ 0 $ 4 $ 17
Environmental reserve expense $ 0 $ 57 0 57
Minimum activity timeline period   30 years    
Accrual for environmental loss contingencies   $ 107   107
Current ac for environmental loss contingencies   $ 4   4
VaaS and Avtec        
Business Acquisition [Line Items]        
Acquisition-related transaction fees     $ 4  
Avigilon and Plant        
Business Acquisition [Line Items]        
Acquisition-related transaction fees       $ 17