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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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