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Restructuring - Textual (Detail) (USD $)
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12 Months Ended | 1 Months Ended | 12 Months Ended | 6 Months Ended | 12 Months Ended | 1 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | ||||||||||||||||||||||
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Oct. 31, 2013
2013 Restructuring Program [Member]
position
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Dec. 31, 2013
2013 Restructuring Program [Member]
position
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Dec. 31, 2013
Merger Restructuring Program [Member]
position
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Dec. 31, 2012
Merger Restructuring Program [Member]
position
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Dec. 31, 2011
Merger Restructuring Program [Member]
position
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Jun. 30, 2013
2008 Restructuring Program [Member]
position
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Dec. 31, 2013
2008 Restructuring Program [Member]
position
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Dec. 31, 2012
2008 Restructuring Program [Member]
position
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Dec. 31, 2011
2008 Restructuring Program [Member]
position
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Dec. 31, 2013
Asset abandonment, shut-down and other related costs [Member]
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Dec. 31, 2012
Asset abandonment, shut-down and other related costs [Member]
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Dec. 31, 2011
Asset abandonment, shut-down and other related costs [Member]
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Dec. 31, 2013
Facility Closing [Member]
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Dec. 31, 2012
Facility Closing [Member]
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Dec. 31, 2011
Facility Closing [Member]
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Dec. 31, 2011
Legacy Schering-Plough Program [Member]
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Dec. 31, 2013
Minimum [Member]
2013 Restructuring Program [Member]
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Dec. 31, 2013
Minimum [Member]
Merger Restructuring Program [Member]
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Dec. 31, 2013
Maximum [Member]
2013 Restructuring Program [Member]
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Dec. 31, 2013
Maximum [Member]
Merger Restructuring Program [Member]
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Jan. 31, 2014
API Manufacturing Business [Member]
Merger Restructuring Program [Member]
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Dec. 31, 2013
API Manufacturing Business [Member]
Merger Restructuring Program [Member]
employee
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Dec. 31, 2013
API Manufacturing Business [Member]
Merger Restructuring Program [Member]
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Dec. 31, 2013
Due 2023 [Member]
API Manufacturing Business [Member]
Merger Restructuring Program [Member]
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Dec. 31, 2013
Due Over Five Years [Member]
API Manufacturing Business [Member]
Merger Restructuring Program [Member]
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Dec. 31, 2013
Inventory [Member]
API Manufacturing Business [Member]
Merger Restructuring Program [Member]
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Dec. 31, 2013
Property, Plant and Equipment, Type [Domain]
API Manufacturing Business [Member]
Merger Restructuring Program [Member]
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Dec. 31, 2013
Other Assets [Member]
API Manufacturing Business [Member]
Merger Restructuring Program [Member]
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| Restructuring Cost and Reserve [Line Items] | |||||||||||||||||||||||||||||||
| Total number of positions expected to be eliminated | 8,500 | 960 | |||||||||||||||||||||||||||||
| Expenses | $ 2,401,000,000 | $ 999,000,000 | $ 1,891,000,000 | $ 1,241,000,000 | $ 1,106,000,000 | $ 951,000,000 | $ 1,846,000,000 | $ 54,000,000 | $ 48,000,000 | $ 45,000,000 | $ 259,000,000 | $ 155,000,000 | $ 72,000,000 | $ 65,000,000 | |||||||||||||||||
| Noncash or part noncash divestiture, amount of consideration received | 198,000,000 | 138,000,000 | 60,000,000 | ||||||||||||||||||||||||||||
| Financing receivable, gross | 261,000,000 | 67,500,000 | |||||||||||||||||||||||||||||
| Proceeds from divestiture of businesses | 533,000,000 | 172,000,000 | 705,000,000 | ||||||||||||||||||||||||||||
| Assets divested - noncash | 420,000,000 | 220,000,000 | 23,000,000 | ||||||||||||||||||||||||||||
| Disposal Group, Including Discontinued Operation, Consideration, Total Cash Consideration To Be Paid | 125,000,000 | ||||||||||||||||||||||||||||||
| Consideration Transfered in Business Divestiture - Goodwill Reduction | 45,000,000 | 45,000,000 | |||||||||||||||||||||||||||||
| Consideration Transfered in Business Divestiture - Other Intangible Assets Reduction | 45,000,000 | ||||||||||||||||||||||||||||||
| Business divestiture - Liability Assumed | 90,000,000 | 90,000,000 | |||||||||||||||||||||||||||||
| Expected cumulative restructuring costs, pretax | 2,500,000,000 | 7,400,000,000 | 3,000,000,000 | 7,700,000,000 | |||||||||||||||||||||||||||
| Cumulative restructuring costs incurred to date since program inception | 7,200,000,000 | 1,700,000,000 | |||||||||||||||||||||||||||||
| Positions eliminated since inception of program | 26,880 | 6,460 | |||||||||||||||||||||||||||||
| Remaining position eliminations expected | 6,300 | ||||||||||||||||||||||||||||||
| Percentage estimate of cumulative pretax costs that will result in cash outlays (primarily from employee separation expense) | 66.67% | 66.67% | |||||||||||||||||||||||||||||
| Percentage estimate of cumulative pretax costs that will be non-cash (primarily from accelerated depreciation of facilities) | 33.33% | 33.33% | |||||||||||||||||||||||||||||
| Number of positions eliminated | 1,540 | 4,475 | 3,975 | 6,880 | 55 | 155 | 450 | ||||||||||||||||||||||||
| Pretax gains (losses) resulting from sales of facilities | 127,000,000 | (64,000,000) | 28,000,000 | 10,000,000 | |||||||||||||||||||||||||||
| Accelerated depreciation for Legacy Schering-Plough Program | $ 20,000,000 | ||||||||||||||||||||||||||||||