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Employees' Stock Incentive Plans Schedule of RSU Activity and Related Information (Details) - RSUs
3 Months Ended
Mar. 28, 2020
$ / shares
shares
Roll-forward of RSU Activity (in shares)  
Beginning balance (in shares) | shares 9,395,909
Granted (in shares) | shares 1,488,962
Forfeited (in shares) | shares (356,717)
Vested (in shares) | shares (52,786)
Ending balance (in shares) | shares 10,475,368
Weighted Average Grant Date Fair Value [Abstract]  
Outstanding at period start, weighted average grant date fair value (in dollars per share) | $ / shares $ 33.51
Granted, weighted average grant date fair value (in dollars per share) | $ / shares 26.07
Forfeited, weighted average grant date fair value (in dollars per share) | $ / shares 34.49
Vested, weighted average grant date fair value (in dollars per share) | $ / shares 86.70
Outstanding at period end, weighted average grant date fair value (in dollars per share) | $ / shares $ 32.17