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Employees' Stock Incentive Plans Schedule of PSU Activity and Related Information (Details) - PSUs
12 Months Ended
Dec. 29, 2018
$ / shares
shares
Roll-forward of PSU Activity (in shares)  
Beginning balance | shares 815,383
Granted | shares 2,730,130
Forfeited | shares (293,457)
Ending balance | shares 3,252,056
Weighted Average Grant Date Fair Value [Abstract]  
Outstanding at period start, weighted average grant date fair value (in dollars per share) | $ / shares $ 70.16
Granted, weighted average grant date fair value (in dollars per share) | $ / shares 56.31
Forfeited, weighted average grant date fair value (in dollars per share) | $ / shares 62.28
Outstanding at period end, weighted average grant date fair value (in dollars per share) | $ / shares $ 59.24