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Stock Compensation (Tables)
9 Months Ended
Sep. 26, 2020
Share-based Payment Arrangement [Abstract]  
Schedule of Compensation Expense for Equity-Based Programs and Related Income Tax Benefits For the periods presented, compensation expense for all types of equity-based programs and the related income tax benefit recognized was as follows:
 Quarter endedYear-to-date period ended
(millions)September 26, 2020September 28, 2019September 26, 2020September 28, 2019
Pre-tax compensation expense$18 $14 $59 $46 
Related income tax benefit$5 $$16 $12