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Litigation (Details)
$ in Millions
3 Months Ended
Mar. 29, 2020
USD ($)
individual
Dec. 31, 2019
USD ($)
Loss Contingencies [Line Items]    
Accrued potential and legal fees $ 38 $ 44
Insurance reimbursements 23 $ 25
Insurance reimbursement of claims potential maximum exposure $ 45  
Number of birth defect individuals | individual 18  
Minimum    
Loss Contingencies [Line Items]    
Range of possible loss $ 0  
Maximum    
Loss Contingencies [Line Items]    
Range of possible loss $ 42