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Other Intangibles - Finite-Lived Intangible Assets Narrative (Details) - USD ($) $ in Millions | 9 Months Ended |
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items] |  |  |
Intangible asset impairment charges related to finite-lived intangible assets |  | $ 347 |
Other Intangibles, Net | $ 15,138 |  | $ 17,305
Intron A |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Intangible asset impairment charges related to finite-lived intangible assets | 47 |  |
Other Intangibles, Net | $ 19 |  |
Zontivity |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Intangible asset impairment charges related to finite-lived intangible assets |  | 252 |
Grastek/Ragwitek [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Intangible asset impairment charges related to finite-lived intangible assets |  | $ 95 |

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- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275 + Details
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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