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Contingencies and Environmental Liabilities - Vytorin/Zetia Litigation - Textual (Detail) (USD $)
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12 Months Ended | 1 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|---|---|
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Dec. 31, 2012
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Dec. 31, 2011
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Feb. 28, 2013
ENHANCE Litigation Merck Defendants [Member]
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Feb. 28, 2013
ENHANCE Litigation Schering Plough Defendants [Member]
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Dec. 31, 2013
ENHANCE Litigation Schering Plough Defendants [Member]
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Jun. 30, 2013
ENHANCE Litigation [Member]
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Dec. 31, 2013
ENHANCE Litigation [Member]
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| Loss Contingencies [Line Items] | |||||||
| Litigation settlement agreement amount | $ 215,000,000 | $ 473,000,000 | |||||
| Litigation charges | (493,000,000) | (500,000,000) | 493,000,000 | ||||
| Insurance recoveries receivable | 195,000,000 | ||||||
| Payments for legal settlements | 500,000,000 | 480,000,000 | |||||
| Insurance recoveries | $ 208,000,000 | $ 13,000,000 | |||||