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Intangible assets and goodwil - Schedule of Intangible Assets and Goodwill (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Jan. 01, 2023
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Intangible assets with indefinite lives: |  |
Indefinite lived intangible assets | $ 10,929 | $ 11,316
Total intangible assets - net | 34,175 | 38,489
Trademarks |  |
Intangible assets with indefinite lives: |  |
Indefinite lived intangible assets | 1,714 | 1,630
Purchased in-process research and development |  |
Intangible assets with indefinite lives: |  |
Indefinite lived intangible assets | 9,215 | 9,686
Patents And Trademarks |  |
Intangible assets with definite lives: |  |
Finite lived intangible assets gross | 40,417 | 39,388
Less accumulated amortization | (24,808) | (20,616)
Finite lived intangible assets net | 15,609 | 18,772
Customer relationships and other intangible assets |  |
Intangible assets with definite lives: |  |
Finite lived intangible assets gross | 20,322 | 19,764
Less accumulated amortization | (12,685) | (11,363)
Finite lived intangible assets net | $ 7,637 | $ 8,401

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