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Identifiable Intangible Assets and Goodwill - Finite-lived and Indefinite-lived Intangible Assets (Detail) - USD ($) $ in Millions | Jun. 28, 2020 | Dec. 31, 2019
--- | --- | ---
Indefinite-lived Intangible Assets [Line Items] |  |  |
Indefinite-lived intangible assets |  | $ 7,032 | $ 8,983
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, gross carrying amount |  | 93,176 | 91,425
Finite-lived intangible assets, accumulated amortization | [1] | (66,667) | (65,037)
Finite-lived intangible assets, net |  | 26,509 | 26,387
Intangible assets, gross carrying amount | [1] | 100,208 | 100,408
Finite-lived intangible assets, accumulated amortization | [1] | (66,667) | (65,037)
Identifiable Intangible Assets, less Accumulated Amortization | [1],[2] | 33,541 | 35,370
Brands [Member] |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |
Indefinite-lived intangible assets |  | 1,991 | 1,991
In Process Research and Development [Member] |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |
Indefinite-lived intangible assets | [3] | 4,518 | 5,919
License Agreements and Other [Member] |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |
Indefinite-lived intangible assets | [4] | 523 | 1,073
Developed Technology Rights [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, gross carrying amount | [3] | 89,927 | 88,730
Finite-lived intangible assets, accumulated amortization | [3] | (64,683) | (63,106)
Finite-lived intangible assets, net | [3] | 25,244 | 25,625
Finite-lived intangible assets, accumulated amortization | [3] | (64,683) | (63,106)
Brands [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, gross carrying amount |  | 922 | 922
Finite-lived intangible assets, accumulated amortization |  | (757) | (741)
Finite-lived intangible assets, net |  | 165 | 181
Finite-lived intangible assets, accumulated amortization |  | (757) | (741)
License Agreements and Other [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, gross carrying amount | [4] | 2,327 | 1,772
Finite-lived intangible assets, accumulated amortization | [4] | (1,226) | (1,191)
Finite-lived intangible assets, net | [4] | 1,101 | 582
Finite-lived intangible assets, accumulated amortization | [4] | $ (1,226) | $ (1,191)
[1] | The decrease in I dentifiable intangible assets, less accumulated amortization, is primarily due to amortization.
[2] | Amounts may not add due to rounding.
[3] | The changes in the gross carrying amount of Developed technology rights and IPR&D primarily reflect the transfer of $1.4 billion from IPR&D to Developed technology rights to reflect the approval of Braftovi in combination with Erbitux® (cetuximab), for the treatment of BRAF V600E-mutant metastatic colorectal cancer after prior therapy.
[4] | The changes in the gross carrying amount of Licensing agreements and other primarily reflect the transfer of $550 million from Indefinite-lived Licensing agreements and other to finite-lived Licensing agreements and other to reflect the approval in the U.S. of several products subject to out-licensing arrangements acquired from Array.

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