Employees' Stock Incentive Plans Schedule of Stock Option Activity and Related Information (Details)	9 Months Ended
	Sep. 28, 2019 $ / shares shares
Share-based Payment Arrangement [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | shares	1,880,648
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares	$ 25.41
Roll-forward of Stock Option Activity (in shares)
Beginning balance (in shares) | shares	18,259,965
Forfeited (in shares) | shares	(1,279,549)
Exercised (in shares) | shares	(469,687)
Ending balance (in shares) | shares	18,391,377
Stock Option Activity, Weighted Average Exercise Price [Abstract]
Options outstanding at period start, weighted average exercise price (in dollars per share) | $ / shares	$ 44.64
Options forfeited, weighted average exercise price (in dollars per share) | $ / shares	66.59
Options exercised, weighted average exercise price (in dollars per share) | $ / shares	23.19
Options outstanding at period end, weighted average exercise price (in dollars per share) | $ / shares	$ 41.70