Income Taxes (Details) - USD ($) $ in Billions	3 Months Ended		6 Months Ended
	Jul. 04, 2021	Mar. 29, 2020	Jul. 04, 2021	Jun. 28, 2020
Income Tax (Textuals)
Worldwide effective income tax rate (as a percent)			11.50%	9.80%
Deferred tax benefits related to tax basis increase of certain assets due to reorganization	$ 2.3		$ 2.3
Increase in U.S. GILTI deferred tax liability	1.7	$ 0.2
Deferred tax benefit, net	0.6		$ 0.6
Increase (decrease) in effective income tax rate, percent			(4.40%)	1.00%
Deferred tax benefit related to TRAF		$ 0.3		$ 0.4
Deferred tax benefit related to TRAF, percent				3.80%
Unrecognized tax benefits	$ 3.3		$ 3.3
Auris Health
Income Tax (Textuals)
Increase (decrease) in effective income tax rate, percent				1.00%