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Income taxes - Comparison of Income Taxes at Statutory Rate and Company's Effective Tax Rate (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 29, 2024 | Dec. 31, 2023 | Jan. 01, 2023 | Jan. 03, 2021 | Dec. 29, 2019
Comparison Of Income Tax Expense At Statutory Rate And Company's Tax Rate Abstract |  |  |  |  |
U.S. | $ (458) | $ (2,033) | $ 4,606 |  |
International | 17,145 | 17,095 | 14,753 |  |
Earnings before provision for taxes on income | $ 16,687 | $ 15,062 | $ 19,359 |  |
Tax rates: |  |  |  |  |
U.S. statutory rate | 21.00% | 21.00% | 21.00% | 21.00% | 35.00%
International operations | (5.20%) | (8.10%) | (5.00%) |  |
U.S. tax settlements | 1.00% | (3.00%) | 0.00% |  |
U.S. taxes on international income | (2.60%) | (0.30%) | (1.10%) |  |
U.S. state taxes | 1.50% | 1.00% | 0.30% |  |
Tax benefits on share-based compensation | (0.60%) | (0.80%) | (1.40%) |  |
All other | 0.60% | 1.70% | 1.60% |  |
Effective Rate | 15.70% | 11.50% | 15.40% |  |

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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-12 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 231 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482663/740-10-55-231 + Details
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