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Intangible Assets and Goodwill (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 29, 2019 | Mar. 31, 2019 | Sep. 30, 2018 | Sep. 29, 2019 | Sep. 30, 2018 | Dec. 30, 2018
Finite-Lived And Indefinite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Amortization of Intangible Assets | $ 1,100 |  | $ 1,100 | $ 3,300 | $ 3,300 |
Intangible assets with indefinite lives: |  |  |  |  |  |
Indefinite-Lived Intangible Assets | 11,165 |  |  | 11,165 |  | $ 9,190
Total intangible assets - net | 47,846 |  |  | 47,846 |  | 47,611
Trademarks |  |  |  |  |  |
Intangible assets with indefinite lives: |  |  |  |  |  |
Indefinite-Lived Intangible Assets | 6,875 |  |  | 6,875 |  | 6,937
Purchased In-Process Research And Development |  |  |  |  |  |
Intangible assets with indefinite lives: |  |  |  |  |  |
Indefinite-Lived Intangible Assets | 4,290 |  |  | 4,290 |  | 2,253
Patents And Trademarks |  |  |  |  |  |
Intangible assets with definite lives: |  |  |  |  |  |
Finite-Lived Intangible Assets, Gross | 36,114 |  |  | 36,114 |  | 35,194
Less accumulated amortization | 12,158 |  |  | 12,158 |  | 9,784
Finite-Lived Intangible Assets, Net | 23,956 |  |  | 23,956 |  | 25,410
Customer relationships and other intangible assets |  |  |  |  |  |
Intangible assets with definite lives: |  |  |  |  |  |
Finite-Lived Intangible Assets, Gross | 21,845 |  |  | 21,845 |  | 21,334
Less accumulated amortization | 9,120 |  |  | 9,120 |  | 8,323
Finite-Lived Intangible Assets, Net | $ 12,725 |  |  | $ 12,725 |  | $ 13,011
Alios Biopharma Inc | Purchased In-Process Research And Development |  |  |  |  |  |
Intangible assets with indefinite lives: |  |  |  |  |  |
Impairment charge |  | $ 900 | $ 800 |  |  |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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