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Other Financial Data - Other Charges (Income) - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 29, 2018
Sep. 30, 2017
Sep. 29, 2018
Sep. 30, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]        
Environmental reserve expense $ 57 $ 0 $ 57 $ 0
Minimum activity timeline period 30 years      
Accrual for environmental loss contingencies $ 107   107  
Current ac for environmental loss contingencies 4   4  
Acquisition-related transaction fees 0 0 17 1
Building impairment 0 0 0 8
Gain on recovery of financial receivables $ 0 $ 0 $ 0 $ 42