Comparison of income tax expense at the Statutory rate and Company's tax rate.

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Effective Income Tax Rate Reconciliation, Capital Loss

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Effective Income Tax Rate Reconciliation, Consumer Health Separation

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Effective income tax rate reconciliation related to domestic tax on international income.

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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 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 other deductions.

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The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

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Income taxes - Comparison of Income Taxes at Statutory Rate and Company's Effective Tax Rate (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Oct. 01, 2023	Jul. 02, 2023	Apr. 02, 2023	Jan. 01, 2023	Oct. 02, 2022	Jul. 03, 2022	Apr. 03, 2022	Dec. 31, 2023	Jan. 01, 2023	Jan. 02, 2022	Dec. 29, 2019	Dec. 30, 2018
Comparison Of Income Tax Expense At Statutory Rate And Company's Tax Rate Abstract
U.S.									$ (2,033)	$ 4,606	$ 4,275
International									17,095	14,753	14,903
Earnings before provision for taxes on income	$ 4,826	$ 5,217	$ 6,306	$ (1,287)	$ 3,840	$ 5,172	$ 5,144	$ 5,203	$ 15,062	$ 19,359	$ 19,178
Tax rates:
U.S. statutory rate									21.00%	21.00%	21.00%	21.00%	35.00%
International operations									(8.10%)	(5.00%)	(19.10%)
U.S. Tax Settlements									(3.00%)	0.00%	0.00%
U.S. taxes on international income									(0.30%)	(1.10%)	8.90%
Tax benefits from loss on capital assets					(1.60%)						(1.60%)
Tax benefits on share-based compensation									(0.80%)	(1.40%)	(1.20%)
All other									2.70%	1.90%	(0.80%)
Effective Rate									11.50%	15.40%	7.20%