Income Taxes - Comparison of Income Taxes at Statutory Rate and Company's Effective Tax Rate (Details) - USD ($) $ in Millions	12 Months Ended
Jan. 03, 2021	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Comparison Of Income Tax Expense At Statutory Rate And Company's Tax Rate Abstract
U.S.	$ 4,312	$ 3,543	$ 5,575
International	12,185	13,785	12,424
Earnings before provision for taxes on income	$ 16,497	$ 17,328	$ 17,999
Tax rates:
U.S. statutory rate	21.00%	21.00%	21.00%	35.00%
International operations (1)	(9.90%)	(5.90%)	(3.70%)
U.S. taxes on international income (2)	2.70%	1.80%	1.40%
Tax benefits on Capital Loss	(1.20%)	(0.30%)
Tax benefits on share-based compensation	(1.50%)	(0.50%)	(1.50%)
TCJA and related impacts	0.70%	(3.90%)	(1.90%)
All other	(1.00%)	0.50%	(0.30%)
Effective tax rate	10.80%	12.70%	15.00%

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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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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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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