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Identifiable Intangible Assets - Finite-lived and Indefinite-lived Intangible Assets (Detail) - USD ($) $ in Millions | Oct. 02, 2022 | Dec. 31, 2021
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Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, gross carrying amount |  | $ 76,036 | $ 76,552
Finite-lived intangible assets, accumulated amortization | [1],[2] | (57,514) | (55,838)
Finite-lived intangible assets, net |  | 18,522 | 20,714
Indefinite-lived Intangible Assets [Line Items] |  |  |
Indefinite-lived intangible assets |  | 9,629 | 4,432
Intangible assets, gross carrying amount | [1],[2] | 85,665 | 80,984
Finite-lived intangible assets, accumulated amortization | [1],[2] | (57,514) | (55,838)
Identifiable Intangible Assets, less Accumulated Amortization | [1],[2] | 28,151 | 25,146
Brands [Member] |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |
Indefinite-lived intangible assets |  | 827 | 827
IPR&D [Member] |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |
Indefinite-lived intangible assets | [1] | 7,829 | 3,092
License Agreements and Other [Member] |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |
Indefinite-lived intangible assets | [1] | 972 | 513
Developed technology rights [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, gross carrying amount |  | 72,818 | 73,346
Finite-lived intangible assets, accumulated amortization |  | (55,309) | (53,732)
Finite-lived intangible assets, net |  | 17,509 | 19,614
Indefinite-lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, accumulated amortization |  | (55,309) | (53,732)
Brands [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, gross carrying amount |  | 922 | 922
Finite-lived intangible assets, accumulated amortization |  | (832) | (807)
Finite-lived intangible assets, net |  | 90 | 115
Indefinite-lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, accumulated amortization |  | (832) | (807)
License Agreements and Other [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, gross carrying amount |  | 2,296 | 2,284
Finite-lived intangible assets, accumulated amortization |  | (1,373) | (1,299)
Finite-lived intangible assets, net |  | 923 | 985
Indefinite-lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, accumulated amortization |  | $ (1,373) | $ (1,299)
[1] | The increase in the gross carrying amounts mainly reflect the impact of the acquisition of Arena (see Note 2A), and for IPR&D, is partially offset by an impairment (see Note 4).
[2] | The increase is primarily due to the acquisition of Arena, partially offset by amortization expense.

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