ALLIANCES AND COLLABORATIONS (Lilly) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010
Net sales	$ 5,434	$ 4,768	$ 10,445	$ 9,575
Other (income)/expense	(31)	(19)	(169)	94
Other intangible assets - upfront, milestone and other licensing payments	3,222		3,222		3,370
Lilly [Member] \| ERBITUX [Member]
Net sales	173	172	338	338
Lilly [Member] \| ERBITUX [Member] \| North America [Member]
Distribution fee, percentage of net sales	39.00%		39.00%
Distribution fees and royalty expense	71	71	140	140
Lilly [Member] \| ERBITUX [Member] \| Japan [Member] \| Commercialization fee [Member]
Other (income)/expense	(6)	(11)	(15)	(19)
Lilly [Member] \| necitumumab [Member]
Research and development reimbursements to/(from) collaboration partner	4	2	6	5
Lilly [Member] \| necitumumab [Member] \| Development Costs For United States Studies [Member]
Funding of development costs, percentage	55.00%		55.00%
Lilly [Member] \| necitumumab [Member] \| Development Costs For Global Studies [Member]
Funding of development costs, percentage	27.50%		27.50%
Lilly [Member] \| necitumumab [Member] \| Development Costs For Japan Studies [Member]
Funding of development costs, percentage	50.00%		50.00%
Lilly [Member] \| ERBITUX And Necitumumab [Member] \| Upfront, milestone and other licensing payments [Member]
Amortization expense - upfront, milestone and other licensing payments	9	9	19	19
Other intangible assets - upfront, milestone and other licensing payments	267		267		286
Lilly and Merck KGaA [Member] \| ERBITUX [Member] \| Japan [Member]
Percentage share of pre-tax profit/loss received from the net sales of a collaboration partner to be shared further equally with another collaboration partner.	50.00%		50.00%
ERBITUX [Member]
Net sales	$ 173	$ 172	$ 338	$ 338

The percentage of net sales of certain products in certain territories payable as a distribution fee pursuant to the collaboration agreement to other collaboration partners.

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Expense recognized in cost of products sold as a distribution fee pursuant to the collaboration agreement during the period.

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The percentage of development costs for studies in certain territories to be funded.

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The percentage share of pre-tax profit/loss received from the net sales of a collaboration partner to be shared further equally with another collaboration partner.

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The amount of development expenses reimbursed by the collaboration partner pursuant to the terms of the agreement that are netted in research and development expense.

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items.

+ References

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-Publisher SEC
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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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