Income Taxes - Reconciliation of Federal Statutory Income Tax Rate To Effective Income Tax Rate For Continuing Operations (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Jul. 04, 2020	Jan. 01, 2022	Jan. 02, 2021	Jan. 04, 2020
Federal statutory income tax rate to effective income tax rate for continuing operations
U.S. Federal statutory income tax rate		21.00%	21.00%	21.00%
Increase (decrease) resulting from:
Research and developments tax credits		(7.00%)	(18.20%)	(7.60%)
State income taxes (net of federal impact)		0.50%	(1.20%)	0.30%
Non-U.S. tax rate differential and foreign tax credits		1.30%	10.80%	1.40%
State income tax audit settlement (net of federal impact)		0.00%	(18.60%)	0.00%
Outside basis difference in assets held for sale		0.00%	(2.70%)	0.00%
U.S. amended returns tax rate differential		0.00%	0.00%	(1.20%)
Other, net		(1.40%)	(0.70%)	(0.40%)
Effective income tax rate		14.40%	(9.60%)	13.50%
Research credits related to prior years				$ 61
Segment Reporting Information
Tax expense related to dividend cash back from non-U.S. jurisdiction to the U.S.			$ 10
Valuation allowance release			14
Reconciling Items
Segment Reporting Information
Inventory Charge	$ (55)	$ 0	$ (55)	$ 0

Effective Income Tax Rate Reconciliation, Foreign Income Tax, Dividend

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Increase decrease in taxes.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to disposition of asset. Includes, but is not limited to, intra-entity transfer of asset other than inventory.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.

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