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Income Taxes - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 26, 2020
Sep. 28, 2019
Sep. 26, 2020
Sep. 28, 2019
Dec. 28, 2019
Income Tax Contingency [Line Items]          
Effective income tax rate 16.00% 27.00% 20.00% 22.00%  
Income taxes paid     $ 212 $ 211  
Unrecognized tax benefits $ 62   62   $ 90
Projected additions to unrecognized tax benefits 3   3    
Unrecognized tax benefits that would affect the effective income tax rate 53   53    
Reversal of liability for uncertain tax positions 32   32    
Other current liabilities          
Income Tax Contingency [Line Items]          
Unrecognized tax benefits $ 16   $ 16