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Acquisitions - Additional Information (Detail)
$ in Millions
3 Months Ended
Mar. 30, 2019
USD ($)
Business
Mar. 31, 2018
USD ($)
Dec. 29, 2018
USD ($)
Business Acquisition, Acquisition Related Costs [Line Items]      
Number of business acquired | Business 2    
Goodwill $ 922   $ 914
Contingent consideration, liability, amount recognized     $ 25
Contingent consideration liability, amount paid 23    
Contingent consideration payments up to amount of acquisition-date liability 12 $ 2  
Contingent consideration payments in excess of acquisition-date liability 11    
Contingent consideration liability expected to be paid 2    
Multiple Acquisition      
Business Acquisition, Acquisition Related Costs [Line Items]      
Business combination consideration transferred 7    
Goodwill 5    
Multiple Acquisition | Customer Relationships      
Business Acquisition, Acquisition Related Costs [Line Items]      
Intangible assets acquired 1    
Multiple Acquisition | Maximum      
Business Acquisition, Acquisition Related Costs [Line Items]      
Contingent consideration estimated to be paid in 2020 $ 1    
United States      
Business Acquisition, Acquisition Related Costs [Line Items]      
Number of business acquired | Business 2