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Goodwill and Other Intangible Assets - Finite-lived and Indefinite-lived Intangible Assets (Parenthetical) (Detail) (Change in Product Status [Member], Prevenar 13 Adult and Vyndagel [Member], USD $)
In Billions, unless otherwise specified |
3 Months Ended |
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Dec. 31, 2011
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Developed Technology Rights [Member]
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| Finite Lived and Indefinite Lived Intangible Assets [Line Items] | |
| Asset Reclassification Amount Increase | $ 2.3 |
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In Process Research And Development [Member]
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| Finite Lived and Indefinite Lived Intangible Assets [Line Items] | |
| Asset Reclassification Amount Decrease | $ 2.3 |