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Segment Reporting - Schedule of Equity Income from Affiliates and Depreciation and Amortization Included in Segment Profits (Detail) (USD $)
In Millions, unless otherwise specified |
12 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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| Segment Reporting Information [Line Items] | |||
| Equity income from affiliates | $ 404 | $ 642 | $ 610 |
| Depreciation and amortization | (6,988) | (6,978) | (7,427) |
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Pharmaceutical [Member]
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| Segment Reporting Information [Line Items] | |||
| Equity income from affiliates | 88 | 36 | 59 |
| Depreciation and amortization | (27) | (25) | (51) |
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All Other [Member]
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| Segment Reporting Information [Line Items] | |||
| Equity income from affiliates | 475 | 504 | 510 |
| Depreciation and amortization | (22) | (20) | (20) |
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Total [Member]
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| Segment Reporting Information [Line Items] | |||
| Equity income from affiliates | 563 | 540 | 569 |
| Depreciation and amortization | $ (49) | $ (45) | $ (71) |