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Income Taxes (Details) - USD ($) $ in Billions	3 Months Ended		9 Months Ended
	Oct. 03, 2021	Mar. 29, 2020	Oct. 03, 2021	Sep. 27, 2020
Income Tax (Textuals)
Worldwide effective income tax rate (as a percent)			10.00%	12.60%
Deferred tax benefits related to tax basis increase of certain assets due to reorganization	$ 2.3		$ 2.3
Deferred tax benefit, net	0.6		$ 0.6
Increase (decrease) in effective income tax rate, percent			(3.40%)
Increase in U.S. GILTI deferred tax liability	1.7	$ 0.2
Deferred tax benefit related to TRAF		$ 0.3		$ 0.4
Deferred tax benefit related to TRAF, percent				2.70%
Effective income tax rate, prior year income taxes, percent			1.00%
Unrecognized tax benefits	3.3		$ 3.3
In-process research and development
Income Tax (Textuals)
Effective income tax rate, impairment losses, amount	$ 0.9
Effective income tax rate, impairment losses, percent	22.40%
Baby Powder
Income Tax (Textuals)
Effective income tax rate, accrued legal expenses, amount	$ 1.4
Effective income tax rate, accrued legal expenses, percent	23.50%
Risperdal
Income Tax (Textuals)
Effective income tax rate, accrued legal expenses, amount	$ 0.8
Effective income tax rate, accrued legal expenses, percent	16.40%
Auris Health
Income Tax (Textuals)
Increase (decrease) in effective income tax rate, percent				1.00%

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