10-Q

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 10-Q

Quarterly Report Under Section 13 or 15(d) of the

Securities Exchange Act of 1934

FOR THE QUARTER ENDED MARCH 31, 2013

COMMISSION FILE NUMBER 001-6351

ELI LILLY AND COMPANY

(Exact name of Registrant as specified in its charter)

INDIANA	35-0470950
(State or other jurisdiction of	(I.R.S. Employer
incorporation or organization)	Identification No.)

LILLY CORPORATE CENTER, INDIANAPOLIS, INDIANA 46285

(Address of principal executive offices)

Registrant’s telephone number, including area code (317) 276-2000

Indicate by check mark whether the Registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months and (2) has been subject to such filing requirements for the past 90 days.

Yes ý No o

Indicate by check mark whether the Registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of a “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer  ý	Accelerated filer  o	Non-accelerated filer o	Smaller reporting Company o
		(Do not check if a smaller reporting company)

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes o No ý

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulations S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).

Yes ý No o

The number of shares of common stock outstanding as of April 20, 2013:

Class	Number of Shares Outstanding
Common	1,126,561,464

Forward-Looking Statements

This Quarterly Report on Form 10-Q includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934 (Exchange Act). Forward-looking statements include all statements that do not relate solely to historical or current facts, and can generally be identified by the use of words such as “may,” “believe,” “will,” “expect,” “project,” “estimate,” “intend,” “anticipate,” “plan,” “continue” or similar expressions.

In particular, information appearing under “Management's Discussion and Analysis of Financial Condition and Results of Operations” includes forward-looking statements. Forward-looking statements inherently involve many risks and uncertainties that could cause actual results to differ materially from those projected in these statements. Where, in any forward-looking statement, we ("Lilly" or the "company") express an expectation or belief as to future results or events, it is based on management's current plans and expectations, expressed in good faith and believed to have a reasonable basis. However, we can give no assurance that any such expectation or belief will result or will be achieved or accomplished.

More information on factors that could cause actual results or events to differ materially from those anticipated is included from time to time in our reports filed with the Securities and Exchange Commission (the “SEC”), including our Annual Report on Form 10-K for the year ended December 31, 2012, particularly under the captions “Forward-Looking Statements” and “Risk Factors.”

All forward-looking statements speak only as of the date of this report and are expressly qualified in their entirety by the cautionary statements included in this report. Except as is required by law, we expressly disclaim any obligation to publicly release any revisions to forward-looking statements to reflect events after the date of this report.

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PART I. Financial Information

Item 1. Financial Statements

Consolidated Condensed Statements of Operations

(Unaudited)

ELI LILLYAND COMPANYAND SUBSIDIARIES

	Three Months Ended
	March 31,
	2013			2012
	(Dollars in millions, except per-share data)
Revenue	$	5,602.0		$	5,602.0
Cost of sales	1,158.3			1,197.9
Research and development	1,348.1			1,151.5
Marketing, selling, and administrative	1,652.0			1,847.5
Asset impairments, restructuring, and other special charges (Note 5)	21.7			23.8
Other – net, (income) expense (Note 14)	(529.2		)	46.0
	3,650.9			4,266.7
Income before income taxes	1,951.1			1,335.3
Income taxes (Note 10)	403.1			324.2
Net income	$	1,548.0		$	1,011.1
Earnings per share – basic and diluted (Note 9)	$	1.42		$	0.91
Dividends paid per share	$	0.49		$	0.49

See Notes to Consolidated Condensed Financial Statements.

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Consolidated Condensed Statements of Comprehensive Income

(Unaudited)

ELI LILLYAND COMPANYAND SUBSIDIARIES

	Three Months Ended
	March 31,
	2013			2012
	(Dollars in millions)
Net income	$	1,548.0		$	1,011.1
Other comprehensive income (loss), net of tax (Note 13)	(217.3		)	309.4
Comprehensive income	$	1,330.7		$	1,320.5

See Notes to Consolidated Condensed Financial Statements.

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Consolidated Condensed Balance Sheets

ELI LILLYAND COMPANYAND SUBSIDIARIES

	March 31, 2013			December 31, 2012
	(Dollars in millions)
	(Unaudited)
Assets
Current Assets
Cash and cash equivalents (Note 6)	$	3,936.6		$	4,018.8
Short-term investments (Note 6)	795.8			1,665.5
Accounts receivable, net of allowances of $107.4 (2013) and $108.5 (2012)	3,439.7			3,336.3
Other receivables	589.4			552.0
Inventories	2,576.7			2,643.8
Prepaid expenses and other	987.9			822.3
Total current assets	12,326.1			13,038.7
Other Assets
Investments (Note 6)	5,636.2			6,313.3
Goodwill and other intangibles – net (Note 3)	4,618.6			4,752.7
Sundry	2,095.8			2,534.0
Total other assets	12,350.6			13,600.0
Property and Equipment
Land, buildings, equipment, and construction-in-progress	14,887.6			14,918.0
Less accumulated depreciation	(7,264.2		)	(7,157.8		)
Property and equipment, net	7,623.4			7,760.2
Total assets	$	32,300.1		$	34,398.9
Liabilities and Shareholders’ Equity
Current Liabilities
Short-term borrowings and current maturities of long-term debt	$	1,028.0		$	11.9
Accounts payable	974.4			1,188.3
Employee compensation	543.7			940.3
Sales rebates and discounts	1,693.8			1,777.2
Dividends payable	—			541.4
Income taxes payable	352.7			143.5
Deferred income taxes	726.6			1,048.0
Other current liabilities	2,274.4			2,738.9
Total current liabilities	7,593.6			8,389.5
Other Liabilities
Long-term debt	4,431.6			5,519.4
Accrued retirement benefits (Note 11)	2,660.4			3,012.4
Long-term income taxes payable (Note 10)	1,363.7			1,334.3
Other noncurrent liabilities	1,295.2			1,369.4
Total other liabilities	9,750.9			11,235.5
Shareholders’ Equity (Notes 7 and 8)
Common stock	704.5			716.6
Additional paid-in capital	4,902.9			4,963.1
Retained earnings	16,462.4			16,088.2
Employee benefit trust	(3,013.2		)	(3,013.2		)
Accumulated other comprehensive loss	(4,014.4		)	(3,797.1		)
Noncontrolling interests	7.0			8.7
Cost of common stock in treasury	(93.6		)	(192.4		)
Total shareholders’ equity	14,955.6			14,773.9
Total liabilities and shareholders’ equity	$	32,300.1		$	34,398.9

See Notes to Consolidated Condensed Financial Statements.

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Consolidated Condensed Statements of Cash Flows

(Unaudited)

ELI LILLYAND COMPANYAND SUBSIDIARIES

	Three Months Ended
	March 31,
	2013			2012
	(Dollars in millions)
Cash Flows from Operating Activities
Net income	$	1,548.0		$	1,011.1
Adjustments to Reconcile Net Income to Cash Flows from Operating Activities:
Depreciation and amortization	381.5			385.9
Change in deferred income taxes	(51.0		)	132.1
Stock-based compensation expense	35.2			30.9
Income related to transfer of exenatide rights (Note 4)	(495.4		)	—
Other changes in operating assets and liabilities, net of acquisitions and divestitures	(1,048.1		)	(698.7		)
Other operating activities, net	9.2			(8.8		)
Net Cash Provided by Operating Activities	379.4			852.5
Cash Flows from Investing Activities
Net purchases of property and equipment	(157.9		)	(130.7		)
Proceeds from sales and maturities of short-term investments	1,607.5			1,070.5
Purchases of short-term investments	(313.1		)	(612.9		)
Proceeds from sales and maturities of noncurrent investments	2,098.4			1,423.2
Purchases of noncurrent investments	(1,861.4		)	(2,156.1		)
Purchase of product rights	—			(33.6		)
Cash paid for acquisitions, net of cash acquired	—			(195.4		)
Other investing activities, net	(18.4		)	(17.3		)
Net Cash Provided by (Used for) Investing Activities	1,355.1			(652.3		)
Cash Flows from Financing Activities
Dividends paid	(531.1		)	(544.6		)
Net change in short-term borrowings	—			(5.3		)
Repayment of long-term debt	(0.9		)	(1,507.1		)
Purchases of common stock	(1,198.1		)	—
Net Cash Used for Financing Activities	(1,730.1		)	(2,057.0		)
Effect of exchange rate changes on cash and cash equivalents	(86.6		)	56.5
Net decrease in cash and cash equivalents	(82.2		)	(1,800.3		)
Cash and cash equivalents at January 1	4,018.8			5,922.5
Cash and Cash Equivalents at March 31	$	3,936.6		$	4,122.2

See Notes to Consolidated Condensed Financial Statements

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Notes to Consolidated Condensed Financial Statements

(Tables present dollars in millions, except per-share data)

Note 1: Basis of Presentation

We have prepared the accompanying unaudited consolidated condensed financial statements in accordance with the requirements of Form 10-Q and, therefore, they do not include all information and footnotes necessary for a fair presentation of financial position, results of operations, and cash flows in conformity with accounting principles generally accepted in the United States (GAAP). In our opinion, the financial statements reflect all adjustments (including those that are normal and recurring) that are necessary for a fair presentation of the results of operations for the periods shown. In preparing financial statements in conformity with GAAP, we must make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues, expenses, and related disclosures at the date of the financial statements and during the reporting period. Actual results could differ from those estimates.

The information included in this Quarterly Report on Form 10-Q should be read in conjunction with our consolidated financial statements and accompanying notes included in our Annual Report on Form 10-K for the year ended December 31, 2012. We issued our financial statements by filing with the SEC and have evaluated subsequent events up to the time of the filing.

Certain reclassifications have been made to prior periods in the consolidated condensed financial statements and accompanying notes to conform with the current presentation.

Note 2: Implementation of New Financial Accounting Pronouncements

There are no new accounting pronouncements that have had or will have a material impact on our consolidated condensed financial statements.

Note 3: Acquisitions

On February 17, 2012, we acquired all of the outstanding stock of ChemGen Corporation, a privately-held bioscience company specializing in the development and commercialization of innovative feed-enzyme products that improve the efficiency of poultry, egg, and meat production, for total purchase consideration of $206.9 million in cash. In connection with this acquisition, we recorded $151.5 million of intangible assets related to marketed products, with $55.4 million of other net assets.

Note 4: Collaborations

We often enter into collaborative arrangements to develop and commercialize drug candidates. Collaborative activities may include research and development, marketing and selling (including promotional activities and physician detailing), manufacturing, and distribution. These collaborations often require milestone and royalty or profit-share payments, contingent upon the occurrence of certain future events linked to the success of the asset in development, as well as expense reimbursements or payments to the third party. Revenues related to products sold by us pursuant to these arrangements are included in net product sales, while other sources of revenue (e.g., royalties and profit-share payments) are included in collaboration and other revenue. Operating expenses for costs incurred pursuant to these arrangements are reported in their respective expense line item, net of any payments made to or reimbursements received from our collaboration partners. Each collaboration is unique in nature, and our more significant arrangements are discussed below.

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The following table summarizes the composition of our total revenue recognized from all transactions, including collaboration activity:

	Three Months Ended
	March 31,
	2013		2012
Net product sales	$	5,448.5	$	5,413.8
Collaboration and other revenue	153.5		188.2
Total revenue	$	5,602.0	$	5,602.0

Exenatide

In November 2011, we agreed with Amylin Pharmaceuticals, Inc. (Amylin) to terminate our collaborative arrangement for the joint development, marketing, and selling of Byetta^® (exenatide injection) and other forms of exenatide such as Bydureon^® (exenatide extended-release for injectable suspension). Under the terms of the termination agreement, Amylin made a one-time, upfront payment to us of $250.0 million. Amylin also agreed to make future revenue-sharing payments to us in an amount equal to 15.0 percent of its global net sales of exenatide products until Amylin made aggregate payments to us of $1.20 billion plus interest, which would accrue at 9.5 percent. Upon completion of the acquisition of Amylin by Bristol-Myers Squibb Company in August 2012, Amylin's obligation of $1.26 billion, including accrued interest, was paid in full, with $1.21 billion representing a prepayment of the obligation. Amylin will also pay a $150.0 million milestone to us contingent upon Food, Drug and Administration (FDA) approval of a once-monthly suspension version of exenatide that is currently in Phase II clinical trials.

Commercial operations were transferred to Amylin in the U.S. at the end of November 2011. Outside the U.S., we transferred to Amylin exenatide commercial rights and control in all markets during the first quarter of 2013.

Payments received from Amylin were allocated 65 percent to the U.S., which was treated as a contract termination, and 35 percent to the business outside the U.S., which was treated as the disposition of a business. The allocation was based upon relative fair values. The revenue-sharing income allocated to the U.S. was recognized as collaboration and other revenue, consistent with our policy for royalty revenue, while the income related to the prepayment of Amylin's obligation allocated to the U.S. was recognized in other-net, (income) expense. All income allocated to the business outside the U.S. that was transferred during the first quarter of 2013 was recognized as a gain on the disposition of a business in other-net, (income) expense, net of the goodwill allocated to the business transferred.

Prior to termination of the collaboration, we and Amylin were co-promoting Byetta in the United States. Amylin was responsible for manufacturing and primarily utilized third-party contract manufacturers to supply Byetta. We supplied Byetta pen delivery devices for Amylin and will continue to do so for a period that will not extend beyond December 31, 2013. We were responsible for certain development costs related to certain clinical trials outside the U.S. that we were conducting as of the date of the termination agreement as well as commercialization costs outside the U.S. until the commercial rights were transferred to Amylin.

Under the terms of our prior arrangement, we reported as collaboration and other revenue our 50 percent share of gross margin on Amylin’s net product sales in the United States. We reported as net product sales 100 percent of sales outside the U.S. and our sales of Byetta pen delivery devices to Amylin. We paid Amylin a percentage of the gross margin of exenatide sales outside of the U.S., and these costs were recorded in cost of sales. This arrangement for the commercial operations outside the U.S. continued until those rights were transferred to Amylin during the first quarter of 2013. Prior to termination of the agreement, under the 50/50 profit-sharing arrangement for the U.S., in addition to recording as revenue our 50 percent share of exenatide’s gross margin, we also recorded approximately 50 percent of U.S. related research and development costs and marketing and selling costs in the respective line items on the consolidated condensed statements of operations.

In accordance with the prior arrangement and pursuant to Amylin’s request, we loaned Amylin $165.0 million in the second quarter of 2011. This loan and related accrued interest were paid in full in August 2012.

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The following table summarizes the revenue and other income recognized with respect to exenatide: 

	Three Months Ended
	March 31,
	2013		2012
Net product sales	$	64.1	$	48.5
Collaboration and other revenue	—		51.3
Total revenue	$	64.1	$	99.8
Income related to transfer of exenatide commercial rights (1)	$	495.4	$	—

¹ Presented in other-net, (income) expense

Erbitux^® 

We have several collaborations with respect to Erbitux. The most significant collaborations are in the U.S., Japan, and Canada (Bristol-Myers Squibb Company); and worldwide except the U.S. and Canada (Merck KGaA). The agreements are expected to expire in 2018, upon which all of the rights with respect to Erbitux in the U.S. and Canada return to us and certain rights with respect to Erbitux outside the U.S. and Canada (excluding Japan) remain with Merck KGaA (Merck).

The following table summarizes the revenue recognized with respect to Erbitux:

	Three Months Ended
	March 31,
	2013		2012
Net product sales	$	25.3	$	34.0
Collaboration and other revenue	69.6		79.3
Total revenue	$	94.9	$	113.3

Bristol-Myers Squibb Company

Pursuant to a commercial agreement with Bristol-Myers Squibb Company and E.R. Squibb (collectively, BMS), relating to Erbitux, we are co-developing Erbitux in the U.S. and Canada with BMS, exclusively, and in Japan with BMS and Merck. The companies have jointly agreed to expand the investment in the ongoing clinical development plan for Erbitux to further explore its use in additional tumor types. Under this arrangement, Erbitux research and development and other costs are shared by both companies according to a predetermined ratio.

Responsibilities associated with clinical and other ongoing studies are apportioned between the parties under the agreement. Collaborative reimbursements received by us for supply of clinical trial materials; for research and development; and for a portion of marketing, selling, and administrative expenses are recorded as a reduction to the respective expense line items on the consolidated condensed statement of operations. We receive a distribution fee in the form of a royalty from BMS, based on a percentage of net sales in the U.S. and Canada, which is recorded in collaboration and other revenue. Royalty expense paid to third parties, net of any reimbursements received, is recorded as a reduction of collaboration and other revenue.

We are responsible for the manufacture and supply of all requirements of Erbitux in bulk-form active pharmaceutical ingredient (API) for clinical and commercial use in the territory, and BMS will purchase all of its requirements of API for commercial use from us, subject to certain stipulations per the agreement. Sales of Erbitux to BMS for commercial use are reported in net product sales.

Merck KGaA

A development and license agreement with Merck with respect to Erbitux granted Merck exclusive rights to market Erbitux outside of the U.S. and Canada, and co-exclusive rights with BMS and us in Japan. Merck also has rights to manufacture Erbitux for supply in its territory. We receive a royalty on the sales of Erbitux outside of the U.S. and Canada, which is included in collaboration and other revenue as earned. Collaborative reimbursements received for research and for development; and marketing, selling, and administrative expenses are recorded as a reduction to the respective expense line items on the consolidated condensed statement of operations. Royalty expense paid to third parties, net of any royalty reimbursements received, is recorded as a reduction of collaboration and other revenue.

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Effient^® 

We are in a collaborative arrangement with Daiichi Sankyo Company, Limited (Daiichi Sankyo) to develop, market, and promote Effient. We and Daiichi Sankyo have agreed to co-promote in certain territories (including the U.S. and five major European markets), while we have exclusive marketing rights in certain other territories. Daiichi Sankyo has exclusive marketing rights in Japan and certain other territories. The parties share approximately 50/50 in the profits, as well as in the costs of development and marketing in the co-promotion territories. A third party manufactures bulk product, and we produce the finished product for our exclusive and co-promotion territories. We record product sales in our exclusive and co-promotion territories. In our exclusive territories, we pay Daiichi Sankyo a royalty specific to these territories. Profit-share payments made to Daiichi Sankyo are recorded as marketing, selling, and administrative expenses. All royalties paid to Daiichi Sankyo and the third-party manufacturer are recorded in cost of sales. Effient sales were $115.9 million and $115.8 million for the three months ended March 31, 2013 and 2012, respectively.

Diabetes Collaboration

In January 2011, we and Boehringer Ingelheim entered into a global agreement to jointly develop and commercialize a portfolio of diabetes compounds. Included are Boehringer Ingelheim’s two oral diabetes agents, linagliptin and empagliflozin. Subsequently in 2011, linagliptin was approved and launched in the U.S. (trade name Tradjenta^®), Japan (trade name Trazenta™), Europe (trade name Trajenta^®), and other countries. Empagliflozin is currently under regulatory review in the U.S. and Europe. Also included in the agreement is our new insulin glargine product, which began Phase III clinical testing in the second half of 2011, and an option granted to Boehringer Ingelheim to co-develop and co-commercialize our anti-TGF-beta monoclonal antibody, which is currently in Phase II clinical testing. Under the terms of the global agreement, we made an initial one-time payment to Boehringer Ingelheim of $388.0 million and recorded an acquired in-process research and development (IPR&D) charge, which was included as expense in the first quarter of 2011 and is deductible for tax purposes.

In connection with the approval of linagliptin in the U.S., Japan, and Europe, in 2011 we paid $478.7 million in success-based regulatory milestones, all of which were capitalized as intangible assets and are being amortized to cost of sales. We incurred milestone-related expenses of $92.2 million in connection with regulatory submissions for empagliflozin in the U.S. and Europe during the first quarter of 2013. These regulatory submission milestones were recorded as research and development expenses. We may also pay up to 228.8 million euro in additional regulatory milestones for empagliflozin. We will be eligible to receive up to a total of $300.0 million in success-based regulatory milestones on our new insulin glargine product. Should Boehringer Ingelheim elect to opt in to the Phase III development and potential commercialization of the anti-TGF-beta monoclonal antibody, we would be eligible for up to $525.0 million in opt-in and success-based regulatory milestone payments. The companies share ongoing development costs equally. The companies also share in the commercialization costs and gross margin for any product resulting from the collaboration that receives regulatory approval. We record our portion of the gross margin as collaboration and other revenue, and we record our portion of the commercialization costs as marketing, selling, and administrative expense. Each company will also be entitled to potential performance payments on sales of the molecules they contribute to the collaboration. Revenue related to this collaboration was $42.6 million and $12.9 million for the three months ended March 31, 2013 and 2012, respectively.

Solanezumab

We have an agreement with an affiliate of TPG-Axon Capital (TPG) whereby TPG funded a portion of the Phase III development of solanezumab. Under the agreement, TPG’s obligation to fund solanezumab costs was not material and ended in the first half of 2011. In exchange for their funding, TPG may receive success-based sales milestones totaling approximately $70 million and mid-single digit royalties that are contingent upon the successful development of solanezumab. The royalties relating to solanezumab would be paid for approximately eight years after launch of a product.

Baricitinib

In December 2009, we entered into a worldwide license and collaboration agreement with Incyte Corporation (Incyte) to acquire development and commercialization rights to its JAK inhibitor compound, now known as baricitinib, and certain follow-on compounds, for the treatment of inflammatory and autoimmune diseases. The agreement calls for payments of up to $515.0 million associated with certain development and regulatory milestones as well as an additional $150.0 million of potential sales-based milestones. Incyte also has the right to receive tiered, double-digit royalty payments on future global sales with rates ranging up to 20 percent if the product is successfully commercialized. The agreement provides Incyte with options to co-develop these compounds on an indication-by-indication basis by funding 30 percent of the associated development costs from the initiation of a

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Phase IIb trial through regulatory approval in exchange for increased tiered royalties ranging up to percentages in the high twenties. The agreement also provides Incyte with an option to co-promote in the United States. In 2010, Incyte exercised its option to co-develop baricitinib in rheumatoid arthritis. We made development milestone payments of $49.0 million in 2010 related to Phase II trials of baricitinib. Upon initiation of Phase III trials for the treatment of rheumatoid arthritis in the fourth quarter of 2012, we incurred an additional milestone-related expense of $50.0 million. These milestone payments were recorded as research and development expenses.

Summary of Collaboration-Related Commission and Profit-Share Payments

The aggregate amount of commission and profit-share payments included in marketing, selling, and administrative expense pursuant to the collaborations described above was $45.2 million and $46.8 million in the three months ended March 31, 2013 and 2012, respectively.

Amortization of Intangible Assets

We record, as finite-lived intangible assets, the cost of milestone payments associated with products approved for marketing, as well as the cost of rights to assets approved for marketing that were acquired in business combinations. We also record finite-lived intangible assets for the cost of licensed platform technologies that have alternative future uses in research and development; manufacturing technologies; and customer relationships from business combinations. Amortization expense related to these finite-lived intangibles was $146.1 million and $147.7 million in the three months ended March 31, 2013 and 2012, respectively.

Note 5: Asset Impairments, Restructuring, and Other Special Charges

We recognized asset impairments, restructuring, and other special charges of $21.7 million and $23.8 million in the first quarter of 2013 and 2012, respectively. The 2013 charges related to severance costs for actions the company is taking, primarily outside the U.S., to reduce its cost structure and global workforce. The 2012 charges primarily relate to a change in our estimates of returned product related to the withdrawal of Xigris^TM from the market during the fourth quarter of 2011.

Note 6: Financial Instruments

Financial instruments that potentially subject us to credit risk consist principally of trade receivables and interest-bearing investments. Wholesale distributors of life-sciences products account for a substantial portion of trade receivables; collateral is generally not required. The risk associated with this concentration is mitigated by our ongoing credit-review procedures and insurance. A large portion of our cash is held by a few major financial institutions. We monitor our exposures with these institutions and do not expect any of these institutions to fail to meet their obligations. Major financial institutions represent the largest component of our investments in corporate debt securities. In accordance with documented corporate policies, we limit the amount of credit exposure to any one financial institution or corporate issuer. We are exposed to credit-related losses in the event of nonperformance by counterparties to risk-management instruments but do not expect any counterparties to fail to meet their obligations given their high credit ratings.

Accounting Policy for Risk-Management Instruments

Our derivative activities are initiated within the guidelines of documented corporate risk-management policies and do not create additional risk because gains and losses on derivative contracts offset losses and gains on the assets, liabilities, and transactions being hedged. As derivative contracts are initiated, we designate the instruments individually as either a fair value hedge or a cash flow hedge. Management reviews the correlation and effectiveness of our derivatives on a quarterly basis.

For derivative contracts that are designated and qualify as fair value hedges, the derivative instrument is marked to market with gains and losses recognized currently in income to offset the respective losses and gains recognized on the underlying exposure. For derivative contracts that are designated and qualify as cash flow hedges, the effective portion of gains and losses on these contracts is reported as a component of accumulated other comprehensive loss and reclassified into earnings in the same period the hedged transaction affects earnings. Hedge ineffectiveness is immediately recognized in earnings. Derivative contracts that are not designated as hedging instruments are recorded at fair value with the gain or loss recognized currently in earnings during the period of change.

We may enter into foreign currency forward contracts to reduce the effect of fluctuating currency exchange rates (principally the euro, the British pound, and the Japanese yen). Foreign currency derivatives used for hedging are

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put in place using the same or like currencies and duration as the underlying exposures. Forward contracts are principally used to manage exposures arising from subsidiary trade and loan payables and receivables denominated in foreign currencies. These contracts are recorded at fair value with the gain or loss recognized in other — net, (income) expense. We may enter into foreign currency forward contracts and currency swaps as fair value hedges of firm commitments. Forward contracts generally have maturities not exceeding 12 months. At March 31, 2013, we had outstanding foreign currency forward commitments to purchase 510.3 million U.S. dollars and sell 397.1 million euro, commitments to purchase 456.4 million euro and sell 589.5 million U.S. dollars, and commitments to purchase 162.9 million British pounds and sell 190.7 million euro, which will all settle within 30 days.

In the normal course of business, our operations are exposed to fluctuations in interest rates. These fluctuations can vary the costs of financing, investing, and operating. We address a portion of these risks through a controlled program of risk management that includes the use of derivative financial instruments. The objective of controlling these risks is to limit the impact of fluctuations in interest rates on earnings. Our primary interest-rate risk exposure results from changes in short-term U.S. dollar interest rates. In an effort to manage interest-rate exposures, we strive to achieve an acceptable balance between fixed- and floating-rate debt and investment positions and may enter into interest rate swaps or collars to help maintain that balance.

Interest rate swaps or collars that convert our fixed-rate debt or investments to a floating rate are designated as fair value hedges of the underlying instruments. Interest rate swaps or collars that convert floating-rate debt or investments to a fixed rate are designated as cash flow hedges. Interest expense on the debt is adjusted to include the payments made or received under the swap agreements. At March 31, 2013, substantially all of our total debt is at a fixed rate. We have converted approximately 60 percent of our fixed-rate debt to floating rates through the use of interest rate swaps.

We may enter into forward contracts and designate them as cash flow hedges to limit the potential volatility of earnings and cash flow associated with forecasted sales of available-for-sale securities.

The Effect of Risk-Management Instruments on the Consolidated Condensed Statement of Operations

The following effects of risk-management instruments were recognized in other—net, (income) expense:

	Three Months Ended
	March 31,
	2013			2012
Fair value hedges:
Effect from hedged fixed-rate debt	$	(69.0	)	$	(65.9	)
Effect from interest rate contracts	69.0			65.9
Cash flow hedges:
Effective portion of losses on interest rate contracts reclassified from accumulated other comprehensive loss	2.2			2.2
Net (gains) losses on foreign currency exchange contracts not designated as hedging instruments	0.1			(32.8		)

The effective portion of net gains on equity contracts in designated cash flow hedging relationships recorded in other comprehensive income (loss) was $1.1 million for the three months endedMarch 31, 2013. There were no equity contracts in designated cash flow hedging relationships in 2012.

During the next 12 months, we expect to reclassify from accumulated other comprehensive loss to earnings $9.0 million of pretax net losses on cash flow hedges of the variability in expected future interest payments on our floating rate debt.

During the three months endedMarch 31, 2013 and 2012, net losses related to ineffectiveness, as well as net losses related to the portion of our risk-management hedging instruments, fair value hedges, and cash flow hedges that were excluded from the assessment of effectiveness, were not material.

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Fair Value of Financial Instruments

The following tables summarize certain fair value information at March 31, 2013 and December 31, 2012 for assets and liabilities measured at fair value on a recurring basis, as well as the carrying amount and amortized cost of certain other investments:

					Fair Value Measurements Using
Description	Carrying Amount		Amortized Cost		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)	Fair Value
March 31, 2013
Cash and cash equivalents	$	3,936.6	$	3,936.6	$	3,907.2	$	29.4	$	$	3,936.6
Short-term investments:
U.S. government and agencies	$	84.2	$	84.1	$	84.2	$		$	$	84.2
Corporate debt securities	709.0		707.1				709.0			709.0
Other securities	2.6		2.6				2.6			2.6
Short-term investments	$	795.8	$	793.8
Noncurrent investments:
U.S. government and agencies	$	849.2	$	847.2	$	756.6	$	92.6	$	$	849.2
Corporate debt securities	3,350.2		3,324.6				3,350.2			3,350.2
Mortgage-backed	634.6		639.9				634.6			634.6
Asset-backed	358.2		360.8				358.2			358.2
Other securities	7.8		8.0				7.8			7.8
Marketable equity	200.5		82.8		200.5					200.5
Equity method and other investments(1)	235.7		235.7
Noncurrent investments	$	5,636.2	$	5,499.0
December 31, 2012
Cash and cash equivalents	$	4,018.8	$	4,018.8	$	3,964.4	$	54.4	$	$	4,018.8
Short-term investments:
U.S. government and agencies	$	150.2	$	150.2	$	150.2	$		$	$	150.2
Corporate debt securities	1,503.5		1,501.5				1,503.5			1,503.5
Other securities	11.8		11.8				11.8			11.8
Short-term investments	$	1,665.5	$	1,663.5
Noncurrent investments:
U.S. government and agencies	$	1,362.7	$	1,360.3	$	1,122.4	$	240.3	$	$	1,362.7
Corporate debt securities	3,351.3		3,322.9				3,351.3			3,351.3
Mortgage-backed	668.1		677.7				668.1			668.1
Asset-backed	519.0		523.5				519.0			519.0
Other securities	3.3		3.3				3.3			3.3
Marketable equity	175.8		83.0		175.8					175.8
Equity method and other investments(1)	233.1		233.1
Noncurrent investments	$	6,313.3	$	6,203.8

¹Fair value not applicable

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				Fair Value Measurements Using
Description	Carrying Amount			Quoted Prices in Active Markets for Identical Assets (Level 1)	Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)	Fair Value
Long-term debt, including current portion
March 31, 2013	$	(5,459.6	)	$	$	(5,886.4	)	$	$	(5,886.4	)
December 31, 2012	(5,531.3		)		(5,996.6		)		(5,996.6		)

				Fair Value Measurements Using
Description	Carrying Amount			Quoted Prices in Active Markets for Identical Assets (Level 1)	Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)	Fair Value
March 31, 2013
Risk-management instruments
Interest rate contracts designated as hedging instruments:
Other receivables	$	16.6		$	$	16.6		$	$	16.6
Sundry	503.8				503.8				503.8
Foreign exchange contracts not designated as hedging instruments:
Other receivables	6.9				6.9				6.9
Other current liabilities	(7.9		)		(7.9		)		(7.9		)
December 31, 2012
Risk-management instruments
Interest rate contracts designated as hedging instruments:
Sundry	$	589.4		$	$	589.4		$	$	589.4
Foreign exchange contracts not designated as hedging instruments:
Other receivables	11.0				11.0				11.0
Other current liabilities	(17.5		)		(17.5		)		(17.5		)

Risk-management instruments above are disclosed on a gross basis. There are various rights of set off associated with certain of the risk-management instruments above which are subject to an enforceable master netting arrangement or similar agreements. Although various rights of set off and master netting arrangements or similar agreements may exist with the individual counterparties to the risk-management instruments above, individually, these financial rights are not material.

We determine fair values based on a market approach using quoted market values, significant other observable inputs for identical or comparable assets or liabilities, or discounted cash flow analyses. The fair value of equity method investments and other investments is not readily available.

The table below summarizes the contractual maturities of our investments in debt securities measured at fair value as of March 31, 2013:

	Maturities by Period
	Total		Less Than 1 Year		1-5 Years		6-10 Years		More Than 10 Years
Fair value of debt securities	$	5,991.2	$	795.8	$	4,004.4	$	452.7	$	738.3

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A summary of the fair value of available-for-sale securities in an unrealized gain or loss position and the amount of unrealized gains and losses (pretax) in accumulated other comprehensive loss follows:

	March 31, 2013		December 31, 2012
Unrealized gross gains	$	162.6	$	140.5
Unrealized gross losses	23.4		29.0
Fair value of securities in an unrealized gain position	4,248.2		5,246.0
Fair value of securities in an unrealized loss position	1,707.9		2,102.0

Other-than-temporary impairment losses on investment securities of $5.2 million were recognized in the statement of operations for the three months endedMarch 31, 2013, compared with $3.7 million for the same period in 2012. For fixed-income securities, the amount of credit losses represents the difference between the present value of cash flows expected to be collected on these securities and the amortized cost. Factors considered in assessing the credit loss were the position in the capital structure, vintage and amount of collateral, delinquency rates, current credit support, and geographic concentration.

The securities in an unrealized loss position include fixed-rate debt securities of varying maturities. The value of fixed income securities is sensitive to changes in the yield curve and other market conditions. Approximately 80 percent of the securities in a loss position are investment-grade debt securities. At this time, there is no indication of default on interest or principal payments for debt securities other than those for which an other-than-temporary impairment charge has been recorded. We do not intend to sell and it is not more likely than not we will be required to sell the securities in a loss position before the market values recover or the underlying cash flows have been received, and we have concluded that no additional other-than-temporary loss is required to be charged to earnings as of March 31, 2013.

Activity related to our investment portfolio, substantially all of which related to available-for-sale securities, was as follows:

	Three Months Ended
	March 31,
	2013		2012
Proceeds from sales	$	3,705.9	$	2,383.4
Realized gross gains on sales	10.0		13.7
Realized gross losses on sales	2.5		2.7

Realized gains and losses on sales of investments are computed based upon specific identification of the initial cost adjusted for any other-than-temporary declines in fair value that were recorded in earnings.

Note 7: Stock-Based Compensation

Our stock-based compensation expense consists primarily of performance awards (PAs), shareholder value awards (SVAs), and restricted stock units (RSUs). We recognized pretax stock-based compensation cost of $35.2 million and $30.9 million in the first quarter of 2013 and 2012, respectively.

PAs are granted to officers and management and are payable in shares of our common stock. The number of PA shares actually issued, if any, varies depending on the achievement of certain earnings per share targets over a two-year period. PA shares are accounted for at fair value based upon the closing stock price on the date of grant and fully vest at the end of the measurement period. As of March 31, 2013, the total remaining unrecognized compensation cost related to nonvested PAs amounted to $45.7 million, which will be amortized over the weighted-average remaining requisite service period of approximately 18 months.

SVAs are granted to officers and management and are payable in shares of common stock at the end of a three-year period. The number of shares actually issued varies depending on our stock price at the end of the three-year vesting period compared to pre-established target prices. We measure the fair value of the SVA unit on the grant date using a Monte Carlo simulation model. The Monte Carlo simulation model utilizes multiple input variables that determine the probability of satisfying the market condition stipulated in the award grant and calculates the fair value of the award. As of March 31, 2013, the total remaining unrecognized compensation cost related to nonvested SVAs amounted to $90.6 million, which will be amortized over the weighted-average remaining requisite service period of approximately 26 months.

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RSUs are granted to certain employees and are payable in shares of our common stock. RSU shares are accounted for at fair value based upon the closing stock price on the date of grant. The corresponding expense is amortized over the vesting period, typically three years. As of March 31, 2013, the total remaining unrecognized compensation cost related to nonvested RSUs amounted to $96.0 million, which will be amortized over the weighted-average remaining requisite service period of 27 months.

Note 8: Shareholders’ Equity

During the first quarter of 2013, we purchased the remaining $1.10 billion of shares associated with our previously announced $1.50 billion share repurchase program.

Note 9: Earnings Per Share

Unless otherwise noted in the footnotes, all per-share amounts are presented on a diluted basis, that is, based on the weighted-average number of outstanding common shares plus the effect of all potentially dilutive common shares (primarily contingently issuable shares and unexercised stock options).

Note 10: Income Taxes

We file income tax returns in the U.S. federal jurisdiction and various state, local, and non-U.S. jurisdictions. We are no longer subject to U.S. federal, state and local, or non-U.S. income tax examinations in most major taxing jurisdictions for years before 2007.

The U.S. examination of certain matters related to tax years 2008-2009 that were not settled as part of previous examinations remains in progress. Management believes it is reasonably possible the remaining 2008-2009 tax matters could be concluded within the next 12 months. However, resolution of these matters is still dependent upon a number of factors, including the potential for formal administrative and legal proceedings. As a result, it is not possible to estimate the range of the reasonably possible changes in unrecognized tax benefits that could occur within the next 12 months related to these years, nor is it possible to estimate reliably the total future cash flows related to these unrecognized tax benefits.

Note 11: Retirement Benefits

Net pension and retiree health benefit expense included the following components:

	Defined Benefit Pension Plans						Retiree Health  Benefit Plans
	Three Months Ended						Three Months Ended
	March 31,						March 31,
	2013			2012			2013			2012
Components of net periodic benefit cost:
Service cost	$	69.7		$	63.0		$	15.1		$	16.4
Interest cost	109.4			113.0			23.4			28.5
Expected return on plan assets	(174.9		)	(171.1		)	(32.8		)	(31.8		)
Amortization of prior service cost	2.6			0.9			(6.9		)	(8.8		)
Recognized actuarial loss	96.0			70.9			23.0			23.7
Net periodic benefit cost	$	102.8		$	76.7		$	21.8		$	28.0

On a global basis, we have contributed approximately $30 million required to satisfy minimum funding requirements to our defined benefit pension plans in 2013. In addition, we have contributed approximately $300 million of discretionary funding to our global post-retirement benefit plans in 2013. During the remainder of 2013, we expect to make contributions to our defined benefit pension plans of approximately $30 million to satisfy minimum funding requirements. We do not anticipate making any additional discretionary contributions in 2013.

Note 12: Contingencies

We are a party to various legal actions and government investigations. The most significant of these are described below. It is not possible to determine the outcome of these matters and we cannot reasonably estimate the maximum potential exposure or the range of possible loss in excess of amounts accrued for any of these matters; however, we believe that, except as noted below with respect to the Alimta^® Hatch-Waxman patent challenges, the

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resolution of all such matters will not have a material adverse effect on our consolidated financial position or liquidity, but could possibly be material to our consolidated results of operations in any one accounting period.

Patent Litigation

We have been engaged in the following U.S. patent litigation matters involving Alimta brought pursuant to procedures set out in the Hatch-Waxman Act (the Drug Price Competition and Patent Term Restoration Act of 1984). Teva Parenteral Medicines, Inc. (Teva); APP Pharmaceuticals, LLC (APP); and Barr Laboratories, Inc. (Barr) each submitted ANDAs seeking approval to market generic versions of Alimta prior to the expiration of the relevant U.S. patents and data-based pediatric exclusivity period (compound patent licensed from the Trustees of Princeton University and expiring in 2017, vitamin dosage regimen patent expiring in 2022) and alleging the patents are invalid. We, along with Princeton, filed lawsuits in the U.S. District Court for the District of Delaware against Teva, APP, and Barr seeking rulings that the compound patent is valid and infringed. In July 2011, the district court entered judgment in our favor, upholding that patent’s validity. In August 2012, the U.S. Court of Appeals for the Federal Circuit (CAFC) affirmed the district court's judgment in our favor. Teva and APP filed a petition for en banc review of the CAFC's panel decision, which was denied in November 2012. The window for Teva and APP to seek review by the U.S. Supreme Court has expired, which fully resolves this litigation.

In October 2010, we filed a lawsuit in the U.S. District Court for the Southern District of Indiana against Teva, APP, Pliva Hrvatska D.O.O., and Barr seeking rulings that our vitamin dosage regimen patent is valid and infringed. Trial in this case is scheduled to begin in August 2013. In January 2012 and April 2012, we filed similar lawsuits against Accord Healthcare Inc. and Apotex Inc., respectively. A second lawsuit against Accord was filed in February 2013. In addition, generic manufacturers have opposed the European Patent Office's decision to grant a vitamin dosage regimen patent, and are seeking revocation of that patent.

We believe the challenges to the vitamin dosage regimen patents are without merit and expect to prevail. However, it is not possible to determine the outcome of the challenges, and accordingly, we can provide no assurance that we will prevail. An unfavorable outcome could have a material adverse impact on our future consolidated results of operations, liquidity, and financial position. We expect a loss of exclusivity for Alimta would result in a rapid and severe decline in future revenues in the relevant market.

Byetta Product Liability Litigation

We have been named as a defendant in approximately 160 Byetta product liability lawsuits involving approximately 545 plaintiffs. Approximately 100 of these lawsuits, covering about 485 plaintiffs, are filed in California and coordinated in a Los Angeles Superior Court. We are aware of approximately 460 additional claimants who have not yet filed suit. The majority of the claims allege damages for pancreatitis. A smaller number of claimants allege that Byetta caused or contributed to their pancreatic cancer. We believe these claims are without merit and are prepared to defend against them vigorously.

Diethylstilbestrol Product Liability Litigation

In approximately 80 U.S. lawsuits against us involving approximately 80 claimants, plaintiffs seek to recover damages on behalf of children or grandchildren of women who were prescribed diethylstilbestrol (DES) during pregnancy in the 1950s and 1960s. Approximately 75 of these claimants allege that they were indirectly exposed in utero to the medicine and later developed breast cancer as a consequence. We believe these claims are without merit and are prepared to defend against them vigorously.

Prozac^® Product Liability Litigation

We have been named as a defendant in seven U.S. lawsuits primarily related to allegations that the antidepressant Prozac caused or contributed to birth defects in the children of women who ingested the drug during pregnancy. We are aware of approximately 340 additional claims related to birth defects, which have not yet been filed. We believe these claims are without merit and are prepared to defend against them vigorously.

Product Liability Insurance

Because of the nature of pharmaceutical products, it is possible that we could become subject to large numbers of product liability and related claims in the future. In the past several years, we have been unable to obtain product liability insurance due to a very restrictive insurance market. Therefore, for substantially all of our currently marketed products, we have been and expect that we will continue to be completely self-insured for product liability losses. The DES claims are covered by insurance, subject to deductibles and coverage limits. There is no assurance that we will be able to fully collect from our insurance carriers in the future.

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Note 13:    Other Comprehensive Income (Loss)

The accumulated balances related to each component of other comprehensive income (loss) were as follows:

(Amounts presented net of taxes)	Foreign Currency Translation Gains (Losses)			Unrealized Net Gains (Losses) on Securities			Defined Benefit Pension and Retiree Health Benefit Plans			Effective Portion of Cash Flow Hedges			Accumulated Other Comprehensive Loss
Balance at December 31, 2012	$	426.8		$	72.5		$	(4,195.2	)	$	(101.2	)	$	(3,797.1	)
Other comprehensive income (loss) before reclassifications	(346.0		)	21.3			32.4			0.7			(291.6		)
Net amount reclassified from accumulated other comprehensive loss	—			(3.3		)	76.1			1.5			74.3
Net other comprehensive income (loss)	(346.0		)	18.0			108.5			2.2			(217.3		)
Balance at March 31, 2013	$	80.8		$	90.5		$	(4,086.7	)	$	(99.0	)	$	(4,014.4	)

Reclassifications Out of Accumulated Other Comprehensive Loss For the Three Months Ended March 31, 2013
Details about Accumulated Other Comprehensive Loss Components	Amount Reclassified from Accumulated Other Comprehensive Loss			Affected Line Item in the Consolidated Condensed Statements of Operations
Amortization of defined pension benefit items:
Prior service costs	$	4.3		(1)
Actuarial gains (losses)	(119.0		)	(1)
Total before tax	(114.7		)
Tax benefit	38.6
Net of tax	(76.1		)
Other, net of tax	1.8			Other net, (income) expense
Total reclassifications for the period (net of tax)	$	(74.3	)

¹  These accumulated other comprehensive loss components are included in the computation of net periodic pension cost (see Note 11).

Note 14: Other—Net, (Income) Expense

Other–net, (income) expense consisted of the following:

	Three Months Ended
	March 31,
	2013			2012
Income related to transfer of exenatide commercial rights (Note 4)	$	(495.4	)	$	—
Interest expense	40.3			45.3
Interest income	(23.6		)	(26.1		)
Other	(50.5		)	26.8
Other—net, (income) expense	$	(529.2	)	$	46.0

Other—net, income of $529.2 million for the first three months of 2013 is primarily related to the income recognized from the transfer to Amylin of exenatide commercial rights in all markets outside the United States. See Note 4 for additional information.

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Note 15: Segment Information

We operate in two business segments—human pharmaceutical products and animal health. Our business segments are distinguished by the ultimate end user of the product—humans or animals. Performance is evaluated based on profit or loss from operations before income taxes.

	Three Months Ended
	March 31,
	2013			2012
Segment revenue — to unaffiliated customers:
Human pharmaceutical products:
Neuroscience	$	1,848.8		$	1,903.7
Endocrinology	1,724.9			1,690.9
Oncology	764.2			803.9
Cardiovascular	693.9			638.4
Other pharmaceuticals	71.1			74.4
Total human pharmaceutical products	5,102.9			5,111.3
Animal health	499.1			490.7
Total segment revenue	$	5,602.0		$	5,602.0
Segment profits:
Human pharmaceutical products	$	1,348.2		$	1,231.7
Animal health	129.2			127.4
Total segment profits	$	1,477.4		$	1,359.1
Reconciliation of total segment profits to consolidated income before taxes:
Segment profits	$	1,477.4		$	1,359.1
Other profits (losses):
Income related to transfer of exenatide commercial rights (Note 4)	495.4			—
Asset impairments, restructuring, and other special charges (Note 5)	(21.7		)	(23.8		)
Total consolidated income before taxes	$	1,951.1		$	1,335.3

For internal management reporting presented to the chief operating decision maker, certain costs are fully allocated to our human pharmaceutical products segment and therefore are not reflected in the animal health segment's profit. Such items include costs associated with treasury-related financing, global service centers, certain acquisition-related transaction costs, and inventory valuation adjustments.

Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

Results of Operations

Executive Overview

This section provides an overview of our financial results, recent product and late-stage pipeline developments, and legal, regulatory, and other matters affecting our company and the pharmaceutical industry. Earnings per share (EPS) data is presented on a diluted basis.

Financial Results

Worldwide total revenue of $5.60 billion in the first quarter of 2013 was flat compared with the first quarter of 2012, as steep sales declines for Zyprexa^® due to the loss of patent exclusivity in most major markets other than Japan were offset by growth in other products, primarily in Cymbalta^®, Cialis^®, and Humalog^®. Net income for the first quarter increased 53 percent to $1.55 billion. EPS increased 56 percent for the first quarter to $1.42 per share, compared with the same period of 2012. The increase in net income and EPS was primarily driven by the income recognized from the transfer to Amylin of exenatide commercial rights in all markets outside the U.S. as highlighted below.

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The following items affect comparisons of our first quarter 2013 and 2012 financial results:

2013

Collaborations (Note 4)

• We recognized income of $495.4 million (pretax), or $0.29 per share, related to the transfer to Amylin of exenatide commercial rights in all markets outside the United States.

Asset Impairments, Restructuring, and Other Special Charges (Note 5)

• We recognized charges of $21.7 million (pretax), or $0.01 per share, related to severance costs for actions being taken, primarily outside the U.S., to reduce our cost structure and global workforce.

2012

Asset Impairments, Restructuring, and Other Special Charges (Note 5)

• We recognized asset impairments, restructuring, and other special charges of $23.8 million (pretax), or $0.01 per share, in the first quarter primarily related to changes in returns reserve estimates for the withdrawal of Xigris in the fourth quarter of 2011.

Late-Stage Pipeline

Our long-term success depends to a great extent on our ability to continue to discover and develop innovative pharmaceutical products and acquire or collaborate on compounds currently in development by other biotechnology or pharmaceutical companies. We currently have approximately 60 potential new drugs in human testing or under regulatory review, and a larger number of projects in preclinical research.

The following new molecular entities (NMEs) have been submitted for regulatory review for potential use in the disease described. The quarter the NME initially was submitted for any indication is shown in parentheses:

Empagliflozin (Q1 2013)—a sodium glucose co-transporter-2 (SGLT-2) inhibitor for the treatment of type 2 diabetes (in collaboration with Boehringer Ingelheim). Empagliflozin is protected in the U.S. by a compound patent expiring in November 2025, plus any potential patent extension.

Liprotamase (Q1 2010)—a non-porcine pancreatic enzyme replacement therapy for the treatment of exocrine pancreatic insufficiency.

The following NMEs are currently in Phase III clinical trial testing for potential use in the diseases described. The quarter in which the NME initially entered Phase III for any indication is shown in parentheses:

Baricitinib (Q4 2012)—a Janus tyrosine kinase (JAK 1 and JAK 2) inhibitor for the treatment of inflammatory and autoimmune diseases (in collaboration with Incyte Corporation)

Dulaglutide* (Q4 2008)—a long-acting analog of glucagon-like peptide 1 for the treatment of type 2 diabetes

Edivoxetine (Q4 2010)—a norepinepherine reuptake inhibitor for the treatment of major depression

Enzastaurin (Q1 2006)—a serine-threonine kinase inhibitor that inhibits signaling within the protein kinase C beta (PKCß) and PI3K/AKT pathways for the treatment of diffuse large B-cell lymphoma (DLBCL)

Evacetrapib (Q4 2012)—a cholesteryl ester transfer protein (CETP) inhibitor for the treatment of high-risk vascular disease

Ixekizumab* (Q4 2011)—a neutralizing monoclonal antibody to interleukin-17A (IL-17) for the treatment of psoriasis and psoriatic arthritis

Necitumumab* (Q4 2009)—an anti-epidermal growth factor receptor (EGFR) monoclonal antibody for the treatment of squamous non-small cell lung cancer (NSCLC)

New insulin glargine product (Q3 2011)—a new insulin glargine product for the treatment of type 1 and type 2 diabetes (in collaboration with Boehringer Ingelheim)

Novel basal insulin analog* (Q4 2011)—a novel basal insulin for the treatment of type 1 and type 2 diabetes

Ramucirumab* (Q4 2009)—an anti-vascular endothelial growth factor receptor-2 (VEGFR-2) monoclonal antibody for the treatment of metastatic breast, gastric, liver, NSCLC, and colorectal cancers

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Solanezumab* (Q2 2009)—an anti-amyloid beta (Aß) monoclonal antibody for the treatment of Alzheimer’s disease

Tabalumab* (Q4 2010)—an anti-B-cell activating factor (BAFF) monoclonal antibody for the treatment of systemic lupus erythematosus (lupus).

* Biologic molecule subject to the U.S. Biologics Price Competition and Innovation Act

The following are late-stage pipeline updates since January 1, 2013:

Dulaglutide—In April 2013, we announced that the Phase III AWARD-2 and AWARD-4 trials studying dulaglutide as an investigational once-weekly treatment for type 2 diabetes met the primary endpoints related to reduction in hemoglobin A1c (HbA1c) compared to insulin glargine, and that the 1.5 mg dose demonstrated statistically superior reduction in HbA1c from baseline compared to insulin glargine in both trials. We anticipate filing for regulatory review in the U.S. and Europe in 2013.

Empagliflozin—In January 2013, we announced positive top-line results for four completed Phase III clinical trials studying empagliflozin for treatment of patients with type 2 diabetes. In all four studies, the primary efficacy endpoint, defined as significant change in HbA1c from baseline compared to placebo, was met with empagliflozin (10 and 25 mg) taken once daily. The pivotal studies for empagliflozin completed in 2012. In the first quarter of 2013, we and Boehringer Ingelheim filed for regulatory review in both the United States and Europe. We also anticipate filing for regulatory review in Japan in 2013.

Ixekizumab—In January 2013, we initiated Phase III clinical trial testing for ixekizumab as a potential treatment for psoriatic arthritis.

Novel basal insulin analog—In January 2013, we announced plans for the 2013 and 2014 initiation of the remainder of the pre-planned clinical trials for the molecule. These studies will be conducted to support regulatory submissions and evaluate safety, efficacy, and differentiation of the molecule. These studies are in addition to the five ongoing IMAGINE clinical trials.

Ramucirumab—In the first quarter of 2013, we initiated a rolling submission to the FDA for ramucirumab as monotherapy in second-line gastric cancer.

Tabalumab—In February 2013, we announced our decision to discontinue the Phase III rheumatoid arthritis program for tabalumab due to lack of efficacy. The decision was not based on safety concerns. The tabalumab Phase III program for lupus is ongoing and will continue as planned.

There are many difficulties and uncertainties inherent in pharmaceutical research and development (R&D) and the introduction of new products. A high rate of failure is inherent in new drug discovery and development. The process to bring a drug from the discovery phase to regulatory approval can take 12 to 15 years or longer and cost more than $1 billion. Failure can occur at any point in the process, including late in the process after substantial investment. As a result, most research programs will not generate financial returns. New product candidates that appear promising in development may fail to reach the market or may have only limited commercial success. Delays and uncertainties in the FDA approval process and the approval processes in other countries can result in delays in product launches and lost market opportunities. Consequently, it is very difficult to predict which products will ultimately be approved and the sales growth of those products.

We manage R&D spending across our portfolio of molecules, and a delay in, or termination of, any one project will not necessarily cause a significant change in our total R&D spending. Due to the risks and uncertainties involved in the R&D process, we cannot reliably estimate the nature, timing, completion dates, and costs of the efforts necessary to complete the development of our R&D projects, nor can we reliably estimate the future potential revenue that will be generated from a successful R&D project. Each project represents only a portion of the overall pipeline, and none is individually material to our consolidated R&D expense. While we do accumulate certain R&D costs on a project level for internal reporting purposes, we must make significant cost estimations and allocations, some of which rely on data that are neither reproducible nor validated through accepted control mechanisms. Therefore, we do not have sufficiently reliable data to report on total R&D costs by project, by preclinical versus clinical spend, or by therapeutic category.

Legal, Regulatory, and Other Matters

We depend on patents or other forms of intellectual-property protection for most of our revenues, cash flows, and earnings. Through 2014, we expect to lose U.S. patent protection for Cymbalta (December 2013) and Evista^® (March 2014). The loss of exclusivity for Cymbalta and Evista will likely result in generic competition, generally causing a rapid and severe decline in revenue from the affected product, and having a material adverse effect on

21

our results of operations. The U.S. patent for Humalog expires in May 2013. Humalog is currently protected in Europe by formulation patents. We do not currently expect the loss of patent protection for Humalog to result in a rapid and severe decline in revenue. To date, no biosimilar version of Humalog has been approved in the U.S. or Europe; however, we are aware that other manufacturers have efforts under way to develop biosimilar forms of Humalog, and it is difficult to predict the likelihood, timing, and impact of biosimilars entering the market. Our goal is to mitigate the effect of these exclusivity losses on our operations, liquidity, and financial position through growth in our patent-protected products that do not lose exclusivity during this period, in the emerging markets, in Japan, and in our animal health business. Our expected growth in the emerging markets and Japan is attributable to both the growth of these markets and launches of patent-protected products.

The continuing prominence of U.S. budget deficits as both a policy and political issue increases the risk that taxes, fees, rebates, or other federal measures that would further reduce pharmaceutical companies’ revenue or increase expenses may be enacted. Certain federal and state health care proposals, including state price controls, continue to be debated, and could place downward pressure on pharmaceutical industry sales or prices. These federal and state proposals, or state price pressures, could have a material adverse effect on our consolidated results of operations.

International operations also are generally subject to extensive price and market regulations. Proposals for cost-containment measures are pending in a number of countries, including proposals that would directly or indirectly impose additional price controls, limit access to or reimbursement for our products, or reduce the value of our intellectual-property protection. Such proposals are expected to increase in both frequency and impact, given the pressures on national and regional health care budgets as a result of austerity measures being pursued in a number of countries.

The Obama administration has proposed changes to the manner in which the U.S. would tax the international income of U.S.-based companies. There also have been tax proposals under discussion or introduced in the U.S. Congress that could change the manner in which, and the rate at which, income of U.S. companies would be taxed. While it is uncertain how the U.S. Congress may address U.S. tax policy matters in the future, reform of U.S. taxation, including taxation of international income, will continue to be a topic of discussion for Congress and the Obama administration. A significant change to the U.S. tax system, including changes to the taxation of international income, could have a material adverse effect on our consolidated results of operations.

Revenue

In the first quarter of 2013, worldwide total revenue of $5.60 billion was flat compared with the first quarter of 2012 as an increase of 4 percent due to higher prices was offset by decreases of 3 percent due to lower volume and 1 percent due to the unfavorable impact of foreign exchange rates. The decrease in volume was driven primarily by the loss of patent exclusivity for Zyprexa in most major markets, partially offset by volume gains for certain other products. Total revenue in the U.S. increased 2 percent to $3.14 billion for the first quarter of 2013, due primarily to increased prices, partially offset by lower volume primarily due to the loss of patent exclusivity for Zyprexa. Total revenue outside the U.S. decreased 2 percent to $2.46 billion for the first quarter of 2013, driven by the loss of patent exclusivity for Zyprexa in markets other than Japan, the unfavorable impact of foreign exchange rates, primarily the Japanese yen, and, to a lesser extent, decreased prices, partially offset by increased volume in certain products.

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The following table summarizes our revenue activity:

							Three Months Ended
	Three Months Ended								Percent Change from
	March 31, 2013						March 31, 2012
Product	U.S.(1)		Outside U.S.		Total		Total		2012
	(Dollars in millions)
Cymbalta	$	1,056.9	$	271.3	$	1,328.2	$	1,114.9	19	%
Humalog	378.2		254.5		632.7		590.3		7	%
Alimta	262.1		354.7		616.8		606.8		2	%
Cialis	214.2		300.8		515.0		461.8		11	%
Humulin®	163.4		148.5		311.9		307.7		1	%
Zyprexa	32.0		252.8		284.8		562.7		(49	)%
Forteo®	111.5		170.0		281.5		271.3		4	%
Evista	171.6		69.0		240.6		256.2		(6	)%
Strattera®	105.5		61.2		166.7		158.9		5	%
Effient	83.7		32.2		115.9		115.8		—	%
Other pharmaceutical products	146.9		308.4		455.3		476.7		(4	)%
Animal health products	295.2		203.9		499.1		490.7		2	%
Total net product sales	3,021.2		2,427.3		5,448.5		5,413.8		1	%
Collaboration and other revenue(2)	115.9		37.6		153.5		188.2		(18	)%
Total revenue	$	3,137.1	$	2,464.9	$	5,602.0	$	5,602.0	—	%

¹  U.S. revenue includes revenue in Puerto Rico.

²  Collaboration and other revenue in 2013 consists primarily of royalties for Erbitux and revenue associated with Trajenta. Collaboration and other revenue in 2012 also includes revenue associated with exenatide in the United States.

U.S. sales of Cymbalta, a product for the treatment of major depressive disorder, diabetic peripheral neuropathic pain, generalized anxiety disorder, and in the U.S. for the treatment of chronic musculoskeletal pain and the management of fibromyalgia, increased 23 percent during the first quarter of 2013, driven by higher prices. Sales outside the U.S. increased 5 percent during the first quarter of 2013, driven primarily by increased demand, partially offset by lower prices. We will lose effective exclusivity for Cymbalta in the U.S. in December 2013. Several manufacturers have received tentative approvals to market generic duloxetine, and we expect generic duloxetine to be introduced in the market immediately following the loss of exclusivity. While it is difficult to predict the precise impact on Cymbalta sales, we expect the introduction of generics to result in a rapid and severe decline in our Cymbalta sales, which will have a material adverse effect on results of operations and cash flows.

U.S. sales of Humalog, our injectable human insulin analog for the treatment of diabetes, increased 9 percent in the first quarter, driven by the favorable impact of wholesaler buying patterns and higher net effective selling prices. Sales outside the U.S. increased 5 percent in the first quarter, due to increased demand, partially offset by the unfavorable impact of foreign exchange rates.

U.S. sales of Alimta, a treatment for various cancers, increased 2 percent during the first quarter of 2013, driven by increased volume and higher prices. Sales outside the U.S. increased 1 percent in the first quarter due to increased demand, partially offset by lower prices and, to a lesser extent, the unfavorable impact of foreign exchange rates.

U.S. sales of Cialis, a treatment for erectile dysfunction and benign prostatic hyperplasia (BPH), increased 20 percent in the first quarter of 2013, driven by higher prices. Sales outside the U.S. increased 6 percent in the first quarter of 2013, driven by higher prices and increased demand, partially offset by the unfavorable impact of foreign exchange rates.

U.S. sales of Humulin, an injectable human insulin for the treatment of diabetes, increased 5 percent in the first quarter, driven by higher prices, largely offset by decreased demand. Sales outside the U.S. decreased 3 percent in the first quarter of 2013, driven primarily by the unfavorable impact of foreign exchange rates and decreased demand.

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U.S. sales of Zyprexa, a treatment for schizophrenia, acute mixed or manic episodes associated with bipolar I disorder, and bipolar maintenance, decreased 84 percent in the first quarter of 2013. Sales outside the U.S.decreased 30 percent in the first quarter of 2013. The decreases were due to the loss of patent exclusivity in 2011 in the U.S. and most major international markets outside of Japan. Zyprexa sales in Japan were approximately $115 million and were negatively affected by the weakening Japanese yen.

U.S. sales of Forteo, an injectable treatment for osteoporosis in postmenopausal women and men at high risk for fracture and for glucocorticoid-induced osteoporosis in postmenopausal women and men, decreased 9 percent in the first quarter of 2013, due to lower net effective selling prices. Sales outside the U.S. increased 14 percent in the first quarter of 2013, due primarily to increased demand in Japan, partially offset by the unfavorable impact of foreign exchange rates.

U.S. sales of Evista, a product for the prevention and treatment of osteoporosis in postmenopausal women and for reduction of risk of invasive breast cancer in postmenopausal women with osteoporosis and postmenopausal women at high risk for invasive breast cancer, remained relatively flat in the first quarter of 2013, as higher prices were offset by decreased demand. Sales outside the U.S. decreased 18 percent in the first quarter of 2013, driven by decreased volume and, to a lesser extent, the unfavorable impact of foreign exchange rates and lower prices.

U.S. sales of Strattera, a treatment for attention-deficit hyperactivity disorder in children, adolescents, and in the U.S. in adults, increased 1 percent in the first quarter due to the favorable impact of wholesaler buying patterns. Sales outside the U.S. increased 13 percent during the first quarter of 2013, driven by increased demand in Japan, partially offset by lower prices and the unfavorable impact of foreign exchange rates.

U.S. sales of Effient, a product for the reduction of thrombotic cardiovascular events (including stent thrombosis) in patients with acute coronary syndrome who are managed with an artery-opening procedure known as percutaneous coronary intervention (PCI), including patients undergoing angioplasty, atherectomy, or stent placement, decreased 7 percent in the first quarter of 2013, driven by the unfavorable impact of wholesaler buying patterns and lower net effective selling prices. Sales in the U.S. were also negatively affected by increased market pressure due to the generic entry of a competitor's product. Sales outside the U.S. increased 24 percent in the first quarter of 2013, driven by increased demand.

Animal health product sales in the U.S. increased 9 percent in the first quarter due primarily to increased demand for Trifexis^®, partially offset by decreased demand for food animal products. Sales outside the U.S. decreased 8 percent in the first quarter driven primarily by decreased volume in food animal products. The volume decrease in food animal products outside the U.S. was due to transition stocking in 2012 associated with the Janssen acquisition, as well as weakness in demand in many emerging markets consistent with broader industry trends.

Gross Margin, Costs, and Expenses

Gross margin as a percent of total revenue was 79.3 percent, an increase of 0.7 percentage points compared with the first quarter of 2012. The increase in gross margin percent was primarily due to higher prices and production volumes, partially offset by higher manufacturing expenses.

Marketing, selling, and administrative expenses decreased 11 percent to $1.65 billion for the first quarter of 2013, due to cost-containment efforts. Research and development expenses increased 17 percent to $1.35 billion for the first quarter of 2013, driven by expenses related to late-stage clinical trials, including $92.2 million of milestone payments made to Boehringer Ingelheim following the regulatory submissions for empagliflozin and approximately $60 million in costs related to the discontinuation of the rheumatoid arthritis program for tabalumab.

We incurred asset impairments, restructuring, and other special charges of $21.7 million for the first quarter of 2013, compared with $23.8 million for the first quarter of 2012. See Note 5 for additional information.

Other—net, (income) expense was income of $529.2 million for the first quarter of 2013, compared with expense of $46.0 million for the same period in 2012. The increase was driven by the income recognized from the transfer to Amylin of exenatide commercial rights outside the United States. See Notes 4 and 14 for additional information.

The effective tax rate was 20.7 percent for the first quarter of 2013, compared with an effective tax rate of 24.3 percent for the same period in 2012. The decrease in the effective tax rate for the first quarter of 2013 reflects the reinstatement of the R&D tax credit in the U.S. for the first quarter of 2013 as well as the one-time impact of the R&D tax credit for 2012 that was recorded in the first quarter of 2013, partially offset by the tax impact of the transfer of exenatide commercial rights outside the U.S. to Amylin.

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Financial Condition

Cash and cash equivalents remained relatively flat at $3.94 billion as of March 31, 2013 compared with $4.02 billion as of December 31, 2012, as net proceeds from sales and maturities of short-term investments of $1.29 billion and cash flow from operations of $379.4 million were offset by share repurchases of $1.20 billion and dividends paid of $531.1 million.

Total debt also remained relatively flat at a total of $5.46 billion as of March 31, 2013 compared with $5.53 billion as of December 31, 2012. Our current debt ratings from Standard & Poor’s and Moody’s are AA- and A2, respectively. Our ratings outlook from both Moody's and Standard & Poor's is stable.

Both domestically and abroad, we continue to monitor the potential impacts of the economic environment; the creditworthiness of our wholesalers and other customers, including foreign government-backed agencies and suppliers; the uncertain impact of recent health care legislation; and various international government funding levels. We continue to focus specifically on the economic health of the European economy, as heightened economic concerns persist. Currently, we believe economic conditions in Europe will not have a material impact on our liquidity.

We believe that cash generated from operations, along with available cash and cash equivalents, will be sufficient to fund our normal operating needs, including dividends, capital expenditures, and contractual maturities due on debt in 2013. We believe that amounts accessible through existing commercial paper markets should be adequate to fund short-term borrowings. We currently have $1.36 billion of unused committed bank credit facilities, $1.20 billion of which backs our commercial paper program. Various risks and uncertainties, including those discussed in "Forward-Looking Statements", may affect our operating results and cash generated from operations.

We will lose U.S. patent protection for Cymbalta in December 2013 and for Evista in March 2014. See "Executive Overview—Legal, Regulatory, and Other Matters" for additional information.

Legal and Regulatory Matters

Information relating to certain legal proceedings can be found in Note 12 and is incorporated here by reference.

Financial Expectations for 2013

For the full year of 2013, we still expect EPS to be in the range of $4.10 to $4.25. We still anticipate that total revenue will be between $22.6 billion and $23.4 billion. Despite the initial impact of the U.S. Cymbalta patent expiration in the fourth quarter of 2013 and the loss of the anticipated 15 percent revenue-sharing obligation on worldwide exenatide sales, we expect overall revenue growth, driven by a portfolio of products including Humalog, Humulin, Cialis, Strattera, Forteo, Alimta, Cymbalta outside the U.S., Effient, Tradjenta, and Axiron^®, as well as animal health products. In addition, significant revenue growth is expected in the emerging markets, particularly China, while a continued weakening of the yen could dampen revenue growth in Japan.

We still anticipate that gross margin as a percent of revenue will be approximately 78 percent. Marketing, selling, and administrative expenses are still expected to be in the range of $7.1 billion to $7.4 billion. Research and development expense is now expected to be in the range of $5.3 billion to $5.6 billion. Other—net, (income) expense is now expected to be in a range between $440 million and $590 million of income. Operating cash flows are still expected to be more than sufficient to allow for capital expenditures of approximately $900 million, fund potential business development activity, and pay our dividend.

Available Information on our Website

We make available through our company website, free of charge, our company filings with the Securities and Exchange Commission (SEC) as soon as reasonably practicable after we electronically file them with, or furnish them to, the SEC. The reports we make available include annual reports on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K, proxy statements, registration statements, and any amendments to those documents.

The website link to our SEC filings is http://investor.lilly.com/financials.cfm.

Item 4. Controls and Procedures

(a) Evaluation of Disclosure Controls and Procedures. Under applicable SEC regulations, management of a reporting company, with the participation of the principal executive officer and principal financial officer, must periodically evaluate the company’s “disclosure controls and procedures,” which are defined generally

25

as controls and other procedures of a reporting company designed to ensure that information required to be disclosed by the reporting company in its periodic reports filed with the commission (such as this Form 10-Q) is recorded, processed, summarized, and reported on a timely basis.

Our management, with the participation of John C. Lechleiter, Ph.D., chairman, president, and chief executive officer, and Derica W. Rice, executive vice president, global services, and chief financial officer, evaluated our disclosure controls and procedures as of March 31, 2013, and concluded that they are effective.

(b) Changes in Internal Controls. During the first quarter of 2013, there were no changes in our internal control over financial reporting that materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

Part II. Other Information

Item 1. Legal Proceedings

See Note 12: Contingencies to the Consolidated Condensed Financial Statements for information on various legal proceedings, including but not limited to:

•The U.S. patent litigation involving Alimta

•The product liability litigation involving Byetta, diethylstilbestrol, and Prozac.

That information is incorporated into this Item by reference.

This Item should be read in conjunction with the Legal Proceedings disclosures in our Annual Report on Form 10-K for the year ended December 31, 2012 (Part I, Item 3).

Other Product Liability Litigation

We are currently a defendant in a variety of other product liability lawsuits in the U.S. involving primarily Darvon^®, Zyprexa, Actos^®, and Cymbalta.

Along with several other manufacturers, we are named as a defendant in approximately 70 active cases in the U.S. involving approximately 1,650 active claimants related to the analgesics Darvon and related formulations of propoxyphene.  Additionally, 71 cases involving approximately 210 claimants were recently dismissed and are on appeal to the Sixth Circuit. These cases generally allege various cardiac injuries. Almost all of these cases have been consolidated in a federal multi-district litigation in the Eastern District of Kentucky or are pending in state and federal courts in California. A putative class action has been filed in the U.S. District Court for the Eastern District of Louisiana (Ballard, et al. v.Eli Lilly and Company et al.) against Lilly and other manufacturers seeking to assert product liability claims on behalf of U.S. residents who ingested propoxyphene pain products and allegedly sustained personal injuries. Lilly was dismissed with prejudice following a dispositive motion; however, the case remains open as other defendants have not been dismissed and there is currently no final appealable order. We transferred the U.S. regulatory approvals and all marketing rights to our propoxyphene products in 2002 to NeoSan Pharmaceuticals, Inc. (an affiliate of aaiPharma, Inc.), which subsequently transferred all such approvals and marketing rights to Xanodyne Pharmaceuticals, Inc. We believe these claims are without merit and are prepared to defend against them vigorously.

We are a defendant in approximately 10 Zyprexa product liability lawsuits in the U.S. covering approximately 10 plaintiffs. The lawsuits allege a variety of injuries from the use of Zyprexa. The claims seek compensatory and punitive damages and typically accuse us of inadequately testing for and warning about side effects of Zyprexa. Many of the claims also allege that we improperly promoted the drug. We believe these claims are without merit and are prepared to defend against them vigorously.

We are also a defendant in other litigation and investigations, including product liability, patent, employment, and premises liability litigation, of a character we regard as normal to our business.

Item 1A. Risk Factors

Our material risk factors are disclosed in Item 1A of our Annual Report on Form 10-K for the year ended December 31, 2012. There have been no material changes from the risk factors previously disclosed in our Annual Report.

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Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

The following table summarizes the activity related to repurchases of our equity securities during the first quarter ended March 31, 2013:

Period	Total Number of Shares Purchased (in thousands)	Average Price Paid  per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs (in thousands)	Approximate Dollar Value  of Shares that May Yet Be Purchased Under the  Plans or Programs (in millions)
January 2013	8,754.5	$	52.84	8,754.5	$	637.3
February 2013	7,086.0	53.96		7,086.0	254.7
March 2013	4,630.3	55.00		4,630.3	—
Total	20,470.8	53.72		20,470.8

In December 2012, we announced a $1.50 billion share repurchase program. As of December 31 2012, there were $1.10 billion of shares remaining to be purchased. During the first quarter of 2013, we completed this program by purchasing the remaining $1.10 billion of shares.

Item 6. Exhibits

The following documents are filed as exhibits to this Report:

EXHIBIT 11.	Statement re: Computation of Earnings per Share
EXHIBIT 12.	Statement re: Computation of Ratio of Earnings (Loss) to Fixed Charges
EXHIBIT 31.1	Rule 13a-14(a) Certification of John C. Lechleiter, Ph.D., Chairman, President, and Chief Executive Officer
EXHIBIT 31.2	Rule 13a-14(a) Certification of Derica W. Rice, Executive Vice President, Global Services and Chief Financial Officer
EXHIBIT 32.	Section 1350 Certification
EXHIBIT 101.	Interactive Data File

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Signatures

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this Report to be signed on its behalf by the undersigned thereunto duly authorized.

	ELI LILLY AND COMPANY
	(Registrant)
Date: April 26, 2013	/s/James B. Lootens
	James B. Lootens
	Corporate Secretary
Date: April 26, 2013	/s/Donald A. Zakrowski
	Donald A. Zakrowski
	Vice President, Finance and Chief Accounting Officer

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Index to Exhibits

The following documents are filed as a part of this Report:

Exhibit
EXHIBIT 11.	Statement re: Computation of Earnings per Share
EXHIBIT 12.	Statement re: Computation of Ratio of Earnings (Loss) to Fixed Charges
EXHIBIT 31.1	Rule 13a-14(a) Certification of John C. Lechleiter, Ph.D., Chairman, President, and Chief Executive Officer
EXHIBIT 31.2	Rule 13a-14(a) Certification of Derica W. Rice, Executive Vice President, Global Services and Chief Financial Officer
EXHIBIT 32.	Section 1350 Certification
EXHIBIT 101.	Interactive Data File

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EX-11

EXHIBIT 11. Statement Re: Computation of Earnings Per Share

(Unaudited)

ELI LILLY AND COMPANY AND SUBSIDIARIES

	Three Months Ended March 31,
	2013		2012
	(Dollars and shares in millions, except per-share data)
BASIC
Net income	$	1,548.0	$	1,011.1
Average number of common shares outstanding	1,084.1		1,110.1
Contingently issuable shares	3.8		6.9
Adjusted average shares	1,087.9		1,117.0
Basic earnings per share	$	1.42	$	0.91
DILUTED
Net income	$	1,548.0	$	1,011.1
Average number of common shares outstanding	1,084.1		1,110.1
Incremental shares – stock options and contingently issuable shares	7.8		6.9
Adjusted average shares	1,091.9		1,117.0
Diluted earnings per share	$	1.42	$	0.91

EX-12

EXHIBIT 12. Statement Re: Computation of Ratio of Earnings (Loss) to Fixed Charges

(Unaudited)

ELI LILLY AND COMPANY AND SUBSIDIARIES

	Three Months Ended March 31,			Years Ended December 31,
	2013			2012			2011			2010			2009			2008
	(Dollars in millions)
Consolidated pretax income (loss)	$	1,951.1		$	5,408.2		$	5,349.5		$	6,525.2		$5,357.8			$	(1,307.6	)
Interest(1)	45.7			198.8			211.7			211.5			291.5			276.5
Less interest capitalized during the period	(5.4		)	(21.0		)	(25.7		)	(26.0		)	(30.2		)	(48.2		)
Earnings (loss)	$	1,991.4		$	5,586.0		$	5,535.5		$	6,710.7		$	5,619.1		$	(1,079.3	)
Fixed charges	$	45.7		$	198.8		$	211.7		$	211.5		$	291.5		$	276.5
Ratio of earnings (loss) to fixed charges	43.6			28.1			26.1			31.7			19.3			NM(2)

NM – Not Meaningful

1	Interest is based upon interest expense reported as such in the consolidated condensed statements of operations and does not include any interest related to unrecognized tax benefits, which is included in income tax expense.
2	For such ratio, earnings were $1.31 billion less than fixed charges. The loss for the year ended December 31, 2008, included special charges of $1.48 billion related to the settlement of a U.S. government investigation of our marketing practices for Zyprexa, and acquired in-process research and development expense of $4.69 billion associated with the ImClone acquisition.

EX-31.1

EXHIBIT 31.1 Rule 13a-14(a) Certification of John C. Lechleiter, Chairman, President, and Chief Executive Officer

CERTIFICATIONS

I, John C. Lechleiter, certify that:

1. I have reviewed this report on Form 10-Q of Eli Lilly and Company;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintain disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15((e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedure to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to use by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s Board of Directors (or persons performing the equivalent function):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize, and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal controls over financial reporting.

Date:	April 26, 2013
By:		/s/John C. Lechleiter
		John C. Lechleiter, Ph.D.
		Chairman, President, and Chief Executive Officer

EX-31.2

EXHIBIT 31.2 Rule 13a-14(a) Certification of Derica W. Rice, Executive Vice President, Global Services, and Chief Financial Officer

CERTIFICATIONS

I, Derica W. Rice, certify that:

1. I have reviewed this report on Form 10-Q of Eli Lilly and Company;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s Board of Directors (or persons performing the equivalent function):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize, and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal controls over financial reporting.

Date:	April 26, 2013
By:		/s/ Derica W. Rice
		Derica W. Rice
		Executive Vice President, Global Services,     and Chief Financial Officer

EX-32

EXHIBIT 32. Section 1350 Certification

Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of section 1350, chapter 63 of title 18, United States Code), each of the undersigned officers of Eli Lilly and Company, an Indiana corporation (the “Company”), does hereby certify that, to the best of their knowledge:

The Quarterly Report on Form 10-Q for the quarter ended March 31, 2013 (the “Form 10-Q”) of the Company fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934 and information contained in the Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	April 26, 2013	/s/John C. Lechleiter
		John C. Lechleiter, Ph.D.
		Chairman, President, and Chief Executive Officer
Date:	April 26, 2013	/s/Derica W. Rice
		Derica W. Rice
		Executive Vice President, Global Services, and Chief     Financial Officer

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Other - Net, Expense (Income) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Component of Other Income, Nonoperating [Line Items]
Income related to transfer of exenatide rights	$ (495.4)	$ 0
Interest Expense	40.3	45.3
Investment Income, Interest	(23.6)	(26.1)
Other (income)expense	(50.5)	26.8
Nonoperating Income (Expense), Total	$ 529.2	$ (46.0)

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Stock-Based Compensation (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Allocated Share-based Compensation Expense	$ 35.2	$ 30.9
Stock-based compensation expense	35.2	30.9
Performance Awards, General [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	2 years
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized	45.7
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition	18 months
Shareholder Value Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized	90.6
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition	26 months
Restricted Stock Unit [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized	$ 96.0
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition	27 months

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Retirement Benefits (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of Net Benefit Costs [Table Text Block]

Net pension and retiree health benefit expense included the following components:

	Defined Benefit Pension Plans						Retiree Health  Benefit Plans
	Three Months Ended						Three Months Ended
	March 31,						March 31,
	2013			2012			2013			2012
Components of net periodic benefit cost:
Service cost	$	69.7		$	63.0		$	15.1		$	16.4
Interest cost	109.4			113.0			23.4			28.5
Expected return on plan assets	(174.9		)	(171.1		)	(32.8		)	(31.8		)
Amortization of prior service cost	2.6			0.9			(6.9		)	(8.8		)
Recognized actuarial loss	96.0			70.9			23.0			23.7
Net periodic benefit cost	$	102.8		$	76.7		$	21.8		$	28.0

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Contingencies (Details) (Product Liability Litigation [Member])	3 Months Ended
	Mar. 31, 2013
Byetta [Member]
Loss Contingency, Number of Lawsuits	160
Loss Contingency, Number of Plaintiffs	545
Loss Contingency, Number of Claimants	460
Diethylstilbestrol (DES) [Member]
Loss Contingency, Number of Lawsuits	80
Loss Contingency, Number of Claimants	80
Prozac [Member]
Loss Contingency, Number of Lawsuits	7
Loss Contingency, Number of Claimants	340
Damages from Product, Breast Cancer [Member] | Diethylstilbestrol (DES) [Member]
Loss Contingency, Number of Claimants	75
California [Member] | Byetta [Member]
Loss Contingency, Number of Lawsuits	100
Loss Contingency, Number of Plaintiffs	485

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Acquisitions

3 Months Ended

Mar. 31, 2013

Business Combinations [Abstract]

Acquisitions [Text Block]

Note 3: Acquisitions

On February 17, 2012, we acquired all of the outstanding stock of ChemGen Corporation, a privately-held bioscience company specializing in the development and commercialization of innovative feed-enzyme products that improve the efficiency of poultry, egg, and meat production, for total purchase consideration of $206.9 million in cash. In connection with this acquisition, we recorded $151.5 million of intangible assets related to marketed products, with $55.4 million of other net assets.

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Acquisitions (Details) (ChemGen Corporation [Member], USD $) In Millions, unless otherwise specified	Feb. 17, 2012
ChemGen Corporation [Member]
Business Acquisition, Cost of Acquired Entity, Purchase Price, Total	$ 206.9
Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets	151.5
Business Acquisition, Purchase Price Allocation, Net Tangible Assets	$ 55.4

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Segment Information (Tables)

3 Months Ended

Mar. 31, 2013

Segment Reporting [Abstract]

Segment Information [Text Block]

	Three Months Ended
	March 31,
	2013			2012
Segment revenue — to unaffiliated customers:
Human pharmaceutical products:
Neuroscience	$	1,848.8		$	1,903.7
Endocrinology	1,724.9			1,690.9
Oncology	764.2			803.9
Cardiovascular	693.9			638.4
Other pharmaceuticals	71.1			74.4
Total human pharmaceutical products	5,102.9			5,111.3
Animal health	499.1			490.7
Total segment revenue	$	5,602.0		$	5,602.0
Segment profits:
Human pharmaceutical products	$	1,348.2		$	1,231.7
Animal health	129.2			127.4
Total segment profits	$	1,477.4		$	1,359.1
Reconciliation of total segment profits to consolidated income before taxes:
Segment profits	$	1,477.4		$	1,359.1
Other profits (losses):
Income related to transfer of exenatide commercial rights (Note 4)	495.4			—
Asset impairments, restructuring, and other special charges (Note 5)	(21.7		)	(23.8		)
Total consolidated income before taxes	$	1,951.1		$	1,335.3

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Collaborations (Details)	1 Months Ended	3 Months Ended													1 Months Ended	10 Months Ended	1 Months Ended				10 Months Ended	1 Months Ended		10 Months Ended	1 Months Ended	3 Months Ended		12 Months Ended	3 Months Ended		1 Months Ended	3 Months Ended	12 Months Ended	6 Months Ended	1 Months Ended	6 Months Ended	1 Months Ended	3 Months Ended	1 Months Ended
	Aug. 31, 2012 USD ($)	Mar. 31, 2013 USD ($)	Mar. 31, 2012 USD ($)	Mar. 31, 2013 Erbitux [Member] USD ($)	Mar. 31, 2012 Erbitux [Member] USD ($)	Mar. 31, 2013 Effient [Member] USD ($)	Mar. 31, 2012 Effient [Member] USD ($)	Mar. 31, 2013 Amylin [Member] USD ($)	Mar. 31, 2012 Amylin [Member] USD ($)	Mar. 31, 2013 Exenatide [Member] USD ($)	Mar. 31, 2012 Exenatide [Member] USD ($)	Mar. 31, 2013 Boerhringer Ingelheim (BI) [Member] USD ($)	Mar. 31, 2012 Boerhringer Ingelheim (BI) [Member] USD ($)	Mar. 31, 2011 Boerhringer Ingelheim (BI) [Member] USD ($)	Nov. 30, 2011 Sales [Member] Amylin [Member]	Oct. 31, 2011 Sales [Member] Outside the United States [Member] Exenatide [Member]	Aug. 31, 2012 Revenue Share [Member] Amylin [Member] USD ($)	Nov. 30, 2011 Revenue Share [Member] Amylin [Member] USD ($)	Nov. 30, 2011 Revenue Share [Member] United States [Member] Amylin [Member]	Nov. 30, 2011 Revenue Share [Member] Outside the United States [Member] Amylin [Member]	Oct. 31, 2011 Gross Margin Share [Member] United States [Member] Exenatide [Member]	Jun. 30, 2001 Profit and Development and Marketing Share [Member] Effient [Member]	Dec. 31, 2009 Research and Development Exp [Member] Baricitinib [Member]	Oct. 31, 2011 Research and Development and Marketing and Selling Expense [Member] United States [Member] Exenatide [Member]	Nov. 30, 2011 Milestone Payments, Development and Regulatory [Member] Amylin [Member] USD ($)	Mar. 31, 2013 Milestone Payments, Development and Regulatory [Member] BI compounds [Member] USD ($)	Mar. 31, 2013 Milestone Payments, Development and Regulatory [Member] BI compounds [Member] EUR (€)	Dec. 31, 2011 Milestone Payments, Development and Regulatory [Member] BI compounds [Member] USD ($)	Mar. 31, 2011 Milestone Payments, Development and Regulatory [Member] LLY compounds [Member] USD ($)	Mar. 31, 2011 Milestone Payments, Development and Regulatory [Member] LLY optional compound [Member] USD ($)	Dec. 31, 2009 Milestone Payments, Development and Regulatory [Member] Baricitinib [Member] USD ($)	Dec. 31, 2012 Milestone Payments, Development and Regulatory [Member] Baricitinib [Member] USD ($)	Dec. 31, 2010 Milestone Payments, Development and Regulatory [Member] Baricitinib [Member] USD ($)	Jun. 30, 2011 Milestone Payments, Sales-based [Member] TPG-Axon [Member] USD ($)	Dec. 31, 2009 Milestone Payments, Sales-based [Member] Baricitinib [Member] USD ($)	Jun. 30, 2011 Royalty Payments Expense [Member] Solanezumab [Member]	Dec. 31, 2009 Royalty Payments Expense [Member] Baricitinib [Member]	Jun. 30, 2011 Loan Commitment [Member] Exenatide Once Weekly [Member] USD ($)	Nov. 30, 2011 Upfront Payment [Member] Amylin [Member] USD ($)	Nov. 30, 2011 Secured Note [Member] Amylin [Member]
Net product sales		$ 5,448,500,000	$ 5,413,800,000	$ 25,300,000	$ 34,000,000	$ 115,900,000	$ 115,800,000			$ 64,100,000	$ 48,500,000
Collaboration and other revenue		153,500,000	188,200,000	69,600,000	79,300,000					0	51,300,000	42,600,000	12,900,000
Revenue		5,602,000,000	5,602,000,000	94,900,000	113,300,000					64,100,000	99,800,000
Income related to transfer of exenatide rights		495,400,000	0					495,400,000	0
Research and development		1,348,100,000	1,151,500,000
Collaborative Arrangement, Income Statement Classification and Amounts		45,200,000	46,800,000
Collaborative Arrangement, Rights and Obligations, Terms																	1,260,000,000	1,200,000,000							150,000,000	(92,200,000)	(228,800,000)	(478,700,000)	300,000,000	525,000,000	(515,000,000)	(50,000,000)	(49,000,000)	(70,000,000)	(150,000,000)			(165,000,000)	250,000,000
Collaborative Arrangement, Rights and Obligations, Terms of Arrangement, Period																																				8 years
Debt Instrument, Interest Rate, Stated Percentage																																								9.50%
Collaborative Arrangement, Rights and Obligations Percent															15.00%	100.00%			65.00%	35.00%	50.00%	50.00%	30.00%	50.00%													20.00%
Proceeds from prepayment of revenue-sharing obligation	1,210,000,000
Acquired in-process research and development														388,000,000
Amortization of Intangible Assets		$ 146,100,000	$ 147,700,000

XML

Asset Impairments, Restructuring, and Other Special Charges (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Asset impairments, restructuring, and other special charges	$ 21.7	$ 23.8

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Implementation of New Financial Accounting Pronouncements

3 Months Ended

Mar. 31, 2013

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

Accounting Changes and Error Corrections [Text Block]

Note 2: Implementation of New Financial Accounting Pronouncements

There are no new accounting pronouncements that have had or will have a material impact on our consolidated condensed financial statements.

XML

Financial Instruments (Details)	3 Months Ended			3 Months Ended
	Mar. 31, 2013 USD ($)	Mar. 31, 2012 USD ($)	Dec. 31, 2012 USD ($)	Mar. 31, 2013 Equity Contract [Member] USD ($)	Mar. 31, 2012 Equity Contract [Member] USD ($)	Mar. 31, 2013 Hedged Fixed-Rate Debt [Member] USD ($)	Mar. 31, 2012 Hedged Fixed-Rate Debt [Member] USD ($)	Mar. 31, 2013 Interest Rate Contract [Member] USD ($)	Mar. 31, 2012 Interest Rate Contract [Member] USD ($)	Mar. 31, 2013 Carrying (Reported) Amount, Fair Value Disclosure [Member] USD ($)	Dec. 31, 2012 Carrying (Reported) Amount, Fair Value Disclosure [Member] USD ($)	Mar. 31, 2013 Carrying (Reported) Amount, Fair Value Disclosure [Member] Interest Rate Contract [Member] USD ($)	Dec. 31, 2012 Carrying (Reported) Amount, Fair Value Disclosure [Member] Interest Rate Contract [Member] USD ($)	Mar. 31, 2013 Carrying (Reported) Amount, Fair Value Disclosure [Member] Foreign Exchange Contract [Member] USD ($)	Dec. 31, 2012 Carrying (Reported) Amount, Fair Value Disclosure [Member] Foreign Exchange Contract [Member] USD ($)	Mar. 31, 2013 Available-for-Sale Securities, Amortized Cost [Member] USD ($)	Dec. 31, 2012 Available-for-Sale Securities, Amortized Cost [Member] USD ($)	Mar. 31, 2013 Fair Value, Inputs, Level 1 [Member] USD ($)	Dec. 31, 2012 Fair Value, Inputs, Level 1 [Member] USD ($)	Mar. 31, 2013 Fair Value, Inputs, Level 2 [Member] USD ($)	Dec. 31, 2012 Fair Value, Inputs, Level 2 [Member] USD ($)	Mar. 31, 2013 Fair Value, Inputs, Level 2 [Member] Interest Rate Contract [Member] USD ($)	Dec. 31, 2012 Fair Value, Inputs, Level 2 [Member] Interest Rate Contract [Member] USD ($)	Mar. 31, 2013 Fair Value, Inputs, Level 2 [Member] Foreign Exchange Contract [Member] USD ($)	Dec. 31, 2012 Fair Value, Inputs, Level 2 [Member] Foreign Exchange Contract [Member] USD ($)	Mar. 31, 2013 Estimate of Fair Value, Fair Value Disclosure [Member] USD ($)	Dec. 31, 2012 Estimate of Fair Value, Fair Value Disclosure [Member] USD ($)	Mar. 31, 2013 Estimate of Fair Value, Fair Value Disclosure [Member] Interest Rate Contract [Member] USD ($)	Dec. 31, 2012 Estimate of Fair Value, Fair Value Disclosure [Member] Interest Rate Contract [Member] USD ($)	Mar. 31, 2013 Estimate of Fair Value, Fair Value Disclosure [Member] Foreign Exchange Contract [Member] USD ($)	Dec. 31, 2012 Estimate of Fair Value, Fair Value Disclosure [Member] Foreign Exchange Contract [Member] USD ($)	Mar. 31, 2013 Corporate Debt Securities [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] USD ($)	Dec. 31, 2012 Corporate Debt Securities [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] USD ($)	Mar. 31, 2013 Corporate Debt Securities [Member] Available-for-Sale Securities, Amortized Cost [Member] USD ($)	Dec. 31, 2012 Corporate Debt Securities [Member] Available-for-Sale Securities, Amortized Cost [Member] USD ($)	Mar. 31, 2013 Corporate Debt Securities [Member] Fair Value, Inputs, Level 2 [Member] USD ($)	Dec. 31, 2012 Corporate Debt Securities [Member] Fair Value, Inputs, Level 2 [Member] USD ($)	Mar. 31, 2013 Corporate Debt Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member] USD ($)	Dec. 31, 2012 Corporate Debt Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member] USD ($)	Mar. 31, 2013 US Government Agencies Debt Securities [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] USD ($)	Dec. 31, 2012 US Government Agencies Debt Securities [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] USD ($)	Mar. 31, 2013 US Government Agencies Debt Securities [Member] Available-for-Sale Securities, Amortized Cost [Member] USD ($)	Dec. 31, 2012 US Government Agencies Debt Securities [Member] Available-for-Sale Securities, Amortized Cost [Member] USD ($)	Mar. 31, 2013 US Government Agencies Debt Securities [Member] Fair Value, Inputs, Level 1 [Member] USD ($)	Dec. 31, 2012 US Government Agencies Debt Securities [Member] Fair Value, Inputs, Level 1 [Member] USD ($)	Mar. 31, 2013 US Government Agencies Debt Securities [Member] Fair Value, Inputs, Level 2 [Member] USD ($)	Dec. 31, 2012 US Government Agencies Debt Securities [Member] Fair Value, Inputs, Level 2 [Member] USD ($)	Mar. 31, 2013 US Government Agencies Debt Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member] USD ($)	Dec. 31, 2012 US Government Agencies Debt Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member] USD ($)	Mar. 31, 2013 Other Debt Obligations [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] USD ($)	Dec. 31, 2012 Other Debt Obligations [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] USD ($)	Mar. 31, 2013 Other Debt Obligations [Member] Available-for-Sale Securities, Amortized Cost [Member] USD ($)	Dec. 31, 2012 Other Debt Obligations [Member] Available-for-Sale Securities, Amortized Cost [Member] USD ($)	Mar. 31, 2013 Other Debt Obligations [Member] Fair Value, Inputs, Level 2 [Member] USD ($)	Dec. 31, 2012 Other Debt Obligations [Member] Fair Value, Inputs, Level 2 [Member] USD ($)	Mar. 31, 2013 Other Debt Obligations [Member] Estimate of Fair Value, Fair Value Disclosure [Member] USD ($)	Dec. 31, 2012 Other Debt Obligations [Member] Estimate of Fair Value, Fair Value Disclosure [Member] USD ($)	Mar. 31, 2013 Collateralized Mortgage Backed Securities [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] USD ($)	Dec. 31, 2012 Collateralized Mortgage Backed Securities [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] USD ($)	Mar. 31, 2013 Collateralized Mortgage Backed Securities [Member] Available-for-Sale Securities, Amortized Cost [Member] USD ($)	Dec. 31, 2012 Collateralized Mortgage Backed Securities [Member] Available-for-Sale Securities, Amortized Cost [Member] USD ($)	Mar. 31, 2013 Collateralized Mortgage Backed Securities [Member] Fair Value, Inputs, Level 2 [Member] USD ($)	Dec. 31, 2012 Collateralized Mortgage Backed Securities [Member] Fair Value, Inputs, Level 2 [Member] USD ($)	Mar. 31, 2013 Collateralized Mortgage Backed Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member] USD ($)	Dec. 31, 2012 Collateralized Mortgage Backed Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member] USD ($)	Mar. 31, 2013 Asset-backed Securities [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] USD ($)	Dec. 31, 2012 Asset-backed Securities [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] USD ($)	Mar. 31, 2013 Asset-backed Securities [Member] Available-for-Sale Securities, Amortized Cost [Member] USD ($)	Dec. 31, 2012 Asset-backed Securities [Member] Available-for-Sale Securities, Amortized Cost [Member] USD ($)	Mar. 31, 2013 Asset-backed Securities [Member] Fair Value, Inputs, Level 2 [Member] USD ($)	Dec. 31, 2012 Asset-backed Securities [Member] Fair Value, Inputs, Level 2 [Member] USD ($)	Mar. 31, 2013 Asset-backed Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member] USD ($)	Dec. 31, 2012 Asset-backed Securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member] USD ($)	Mar. 31, 2013 Equity Securities, US [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] USD ($)	Dec. 31, 2012 Equity Securities, US [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] USD ($)	Mar. 31, 2013 Equity Securities, US [Member] Available-for-Sale Securities, Amortized Cost [Member] USD ($)	Dec. 31, 2012 Equity Securities, US [Member] Available-for-Sale Securities, Amortized Cost [Member] USD ($)	Mar. 31, 2013 Equity Securities, US [Member] Fair Value, Inputs, Level 1 [Member] USD ($)	Dec. 31, 2012 Equity Securities, US [Member] Fair Value, Inputs, Level 1 [Member] USD ($)	Mar. 31, 2013 Equity Securities, US [Member] Estimate of Fair Value, Fair Value Disclosure [Member] USD ($)	Dec. 31, 2012 Equity Securities, US [Member] Estimate of Fair Value, Fair Value Disclosure [Member] USD ($)	Mar. 31, 2013 Equity Method and Other Investments [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] USD ($)	Dec. 31, 2012 Equity Method and Other Investments [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] USD ($)	Mar. 31, 2013 Equity Method and Other Investments [Member] Available-for-Sale Securities, Amortized Cost [Member] USD ($)	Dec. 31, 2012 Equity Method and Other Investments [Member] Available-for-Sale Securities, Amortized Cost [Member] USD ($)	Mar. 31, 2013 Buy British pound Sell euro [Member] EUR (€)	Mar. 31, 2013 Buy British pound Sell euro [Member] GBP (£)	Mar. 31, 2013 Buy US dollar Sell euro [Member] USD ($)	Mar. 31, 2013 Buy US dollar Sell euro [Member] EUR (€)	Mar. 31, 2013 Buy euro Sell US dollar [Member] USD ($)	Mar. 31, 2013 Buy euro Sell US dollar [Member] EUR (€)
Available-for-sale Securities, Debt Securities	$ 5,991,200,000
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge						(69,000,000)	(65,900,000)
Cash and Cash Equivalents, Fair Value Disclosure										3,936,600,000	4,018,800,000					3,936,600,000	4,018,800,000	3,907,200,000	3,964,400,000	29,400,000	54,400,000					3,936,600,000	4,018,800,000
Long-term Debt										(5,459,600,000)	(5,531,300,000)									(5,886,400,000)	(5,996,600,000)					(5,886,400,000)	(5,996,600,000)
Derivative Assets, Current												16,600,000		6,900,000	11,000,000							16,600,000		6,900,000	11,000,000			16,600,000		6,900,000	11,000,000
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Other, Percentage of Nonperforming Assets	80.00%
Notional Amount of Foreign Currency Derivative Purchase Contracts																																																																																							162,900,000	510,300,000			456,400,000
Notional Amount of Foreign Currency Derivative Sale Contracts																																																																																						190,700,000			397,100,000	589,500,000
Maximum Remaining Maturity of Foreign Currency Derivatives	30 days
Description of Derivative Activity Volume Percent	60.00%
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments								69,000,000	65,900,000
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net	9,000,000
Derivative Instruments, Loss Reclassified from Accumulated OCI into Income, Effective Portion	2,200,000	2,200,000
Derivative Instruments, Gain (Loss) Recognized in Income, Net	100,000	(32,800,000)
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net				1,100,000	0
Derivative Assets, Noncurrent												503,800,000	589,400,000									503,800,000	589,400,000					503,800,000	589,400,000
Derivative Liabilities, Current														(7,900,000)	(17,500,000)									(7,900,000)	(17,500,000)					(7,900,000)	(17,500,000)
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value	4,004,400,000
Available-for-sale Securities, Gross Unrealized Gains	162,600,000		140,500,000
Available-for-sale Securities, Gross Unrealized Losses	23,400,000		29,000,000
Available-for-sale Securities, Continuous Unrealized Gain Position, Fair Value	4,248,200,000		5,246,000,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	1,707,900,000		2,102,000,000
Other than Temporary Impairment Losses, Investments	5,200,000	3,700,000
Proceeds from Sale and Maturity of Available-for-sale Securities	3,705,900,000	2,383,400,000
Available-for-sale Securities, Gross Realized Gains	10,000,000	13,700,000
Available-for-sale Securities, Gross Realized Losses	2,500,000	2,700,000
Available-for-sale Securities, Current [Abstract]
Available-for-sale Securities, Debt Securities, Current																																709,000,000	1,503,500,000	707,100,000	1,501,500,000	709,000,000	1,503,500,000	709,000,000	1,503,500,000	84,200,000	150,200,000	84,100,000	150,200,000	84,200,000	150,200,000			84,200,000	150,200,000	2,600,000	11,800,000	2,600,000	11,800,000	2,600,000	11,800,000	2,600,000	11,800,000
Available-for-sale Securities, Current, Total										795,800,000	1,665,500,000					793,800,000	1,663,500,000
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent																																3,350,200,000	3,351,300,000	3,324,600,000	3,322,900,000	3,350,200,000	3,351,300,000	3,350,200,000	3,351,300,000	849,200,000	1,362,700,000	847,200,000	1,360,300,000	756,600,000	1,122,400,000	92,600,000	240,300,000	849,200,000	1,362,700,000	7,800,000	3,300,000	8,000,000	3,300,000	7,800,000	3,300,000	7,800,000	3,300,000	634,600,000	668,100,000	639,900,000	677,700,000	634,600,000	668,100,000	634,600,000	668,100,000	358,200,000	519,000,000	360,800,000	523,500,000	358,200,000	519,000,000	358,200,000	519,000,000
Available-for-sale Securities, Equity Securities, Noncurrent																																																																										200,500,000	175,800,000	82,800,000	83,000,000	200,500,000	175,800,000	200,500,000	175,800,000
Other Long-term Investments																																																																																		235,700,000	233,100,000	235,700,000	233,100,000
Available-for-sale Securities, Noncurrent, Total										5,636,200,000	6,313,300,000					5,499,000,000	6,203,800,000
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value	795,800,000
Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Fair Value	452,700,000
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value	$ 738,300,000

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Segment Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenue	$ 5,602.0	$ 5,602.0
Segment Reporting Information, Income (Loss) before Income Taxes	1,951.1	1,335.3
Income related to transfer of exenatide rights	495.4	0
Asset impairments, restructuring, and other special charges	(21.7)	(23.8)
Neuroscience [Member]
Segment Reporting Information, Revenue	1,848.8	1,903.7
Endocrinology [Member]
Segment Reporting Information, Revenue	1,724.9	1,690.9
Oncology [Member]
Segment Reporting Information, Revenue	764.2	803.9
Cardiovascular [Member]
Segment Reporting Information, Revenue	693.9	638.4
Animal health [Member]
Segment Reporting Information, Income (Loss) before Income Taxes	129.2	127.4
Segment Reporting Information, Revenue	499.1	490.7
Other pharmaceuticals [Member]
Segment Reporting Information, Revenue	71.1	74.4
Pharmaceutical products, total [Member]
Segment Reporting Information, Income (Loss) before Income Taxes	1,348.2	1,231.7
Segment Reporting Information, Revenue	5,102.9	5,111.3
Total segment [Member]
Segment Reporting Information, Income (Loss) before Income Taxes	1,477.4	1,359.1
Amylin [Member]
Income related to transfer of exenatide rights	$ 495.4	$ 0

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Consolidated Condensed Statements of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenue	$ 5,602.0	$ 5,602.0
Cost of sales	1,158.3	1,197.9
Research and development	1,348.1	1,151.5
Marketing, selling, and administrative	1,652.0	1,847.5
Asset impairments, restructuring, and other special charges	21.7	23.8
Other - net, (income) expense	(529.2)	46.0
Cost of sales, operating expenses, and other-net	3,650.9	4,266.7
Income before income taxes	1,951.1	1,335.3
Income taxes	403.1	324.2
Net income	$ 1,548.0	$ 1,011.1
Earnings per share - basic and diluted	$ 1.42	$ 0.91
Dividends paid per share	$ 0.49	$ 0.49

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Consolidated Condensed Statements of Cash Flows (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash Flows from Operating Activities
Net income	$ 1,548,000,000	$ 1,011,100,000
Adjustments to Reconcile Net Income to Cash Flows from Operating Activities:
Depreciation and amortization	381,500,000	385,900,000
Changes in deferred income taxes	(51,000,000)	132,100,000
Stock-based compensation expense	35,200,000	30,900,000
Income related to transfer of exenatide rights	(495,400,000)	0
Other changes in operating assets and liabilities, net of acquisitions and divestitures	(1,048,100,000)	(698,700,000)
Other operating activities, net	9,200,000	(8,800,000)
Net Cash Provided by Operating Activities	379,400,000	852,500,000
Cash Flows from Investing Activities
Net purchases of property and equipment	(157,900,000)	(130,700,000)
Proceeds from sales and maturities of short-term investments	1,607,500,000	1,070,500,000
Purchases of short-term investments	(313,100,000)	(612,900,000)
Proceeds from sales and maturities of noncurrent investments	2,098,400,000	1,423,200,000
Purchases of noncurrent investments	(1,861,400,000)	(2,156,100,000)
Purchase of product rights	0	(33,600,000)
Cash paid for acquisitions, net of cash acquired	0	(195,400,000)
Other investing activities, net	(18,400,000)	(17,300,000)
Net Cash Provided by (Used for) Investing Activities	1,355,100,000	(652,300,000)
Cash Flows from Financing Activities
Dividends paid	(531,100,000)	(544,600,000)
Net change in short-term borrowings	0	(5,300,000)
Repayment of long-term debt	(900,000)	(1,507,100,000)
Purchases of common stock	(1,198,100,000)	0
Net Cash Used for Financing Activities	(1,730,100,000)	(2,057,000,000)
Effect of exchange rate changes on cash and cash equivalents	(86,600,000)	56,500,000
Net decrease in cash and cash equivalents	(82,200,000)	(1,800,300,000)
Cash and cash equivalents at January 1	4,018,800,000	5,922,500,000
Cash and Cash Equivalents at March 31	$ 3,936,600,000	$ 4,122,200,000

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Income Taxes Income Taxes (Details)	12 Months Ended
	Dec. 31, 2009	Dec. 31, 2008
Income Tax Examination [Line Items]
Income Tax Examination, Year under Examination	2009	2008

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Financial Instruments (Policies)	3 Months Ended
	Mar. 31, 2013
Fair Value Disclosures [Abstract]
Description of Derivative Risk Management Policy	Accounting Policy for Risk-Management InstrumentsOur derivative activities are initiated within the guidelines of documented corporate risk-management policies and do not create additional risk because gains and losses on derivative contracts offset losses and gains on the assets, liabilities, and transactions being hedged. As derivative contracts are initiated, we designate the instruments individually as either a fair value hedge or a cash flow hedge. Management reviews the correlation and effectiveness of our derivatives on a quarterly basis.For derivative contracts that are designated and qualify as fair value hedges, the derivative instrument is marked to market with gains and losses recognized currently in income to offset the respective losses and gains recognized on the underlying exposure. For derivative contracts that are designated and qualify as cash flow hedges, the effective portion of gains and losses on these contracts is reported as a component of accumulated other comprehensive loss and reclassified into earnings in the same period the hedged transaction affects earnings. Hedge ineffectiveness is immediately recognized in earnings. Derivative contracts that are not designated as hedging instruments are recorded at fair value with the gain or loss recognized currently in earnings during the period of change.We may enter into foreign currency forward contracts to reduce the effect of fluctuating currency exchange rates (principally the euro, the British pound, and the Japanese yen). Foreign currency derivatives used for hedging are put in place using the same or like currencies and duration as the underlying exposures. Forward contracts are principally used to manage exposures arising from subsidiary trade and loan payables and receivables denominated in foreign currencies. These contracts are recorded at fair value with the gain or loss recognized in other — net, (income) expense. We may enter into foreign currency forward contracts and currency swaps as fair value hedges of firm commitments. Forward contracts generally have maturities not exceeding 12 months.

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Retirement Benefits (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan, Service Cost	$ 69.7	$ 63.0
Defined Benefit Plan, Interest Cost	109.4	113.0
Defined Benefit Plan, Expected Return on Plan Assets	(174.9)	(171.1)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	2.6	0.9
Defined Benefit Plan, Actuarial Gain (Loss)	96.0	70.9
Defined Benefit Plan, Net Periodic Benefit Cost, Total	102.8	76.7
Pension and Other Postretirement Benefit Contributions	30
Defined Benefit Plan, Estimated Future Employer Contributions in Current Fiscal Year	30
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plan, Service Cost	15.1	16.4
Defined Benefit Plan, Interest Cost	23.4	28.5
Defined Benefit Plan, Expected Return on Plan Assets	(32.8)	(31.8)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	(6.9)	(8.8)
Defined Benefit Plan, Actuarial Gain (Loss)	23.0	23.7
Defined Benefit Plan, Net Periodic Benefit Cost, Total	21.8	28.0
Pension and Other Postretirement Benefit Contributions	$ 300

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Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2013

Fair Value Disclosures [Abstract]

Schedule of Net Investment Hedges, Statements of Financial Performance and Financial Position, Location [Table Text Block]

The following effects of risk-management instruments were recognized in other—net, (income) expense:

	Three Months Ended
	March 31,
	2013			2012
Fair value hedges:
Effect from hedged fixed-rate debt	$	(69.0	)	$	(65.9	)
Effect from interest rate contracts	69.0			65.9
Cash flow hedges:
Effective portion of losses on interest rate contracts reclassified from accumulated other comprehensive loss	2.2			2.2
Net (gains) losses on foreign currency exchange contracts not designated as hedging instruments	0.1			(32.8		)

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

The following tables summarize certain fair value information at March 31, 2013 and December 31, 2012 for assets and liabilities measured at fair value on a recurring basis, as well as the carrying amount and amortized cost of certain other investments:

					Fair Value Measurements Using
Description	Carrying Amount		Amortized Cost		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)	Fair Value
March 31, 2013
Cash and cash equivalents	$	3,936.6	$	3,936.6	$	3,907.2	$	29.4	$	$	3,936.6
Short-term investments:
U.S. government and agencies	$	84.2	$	84.1	$	84.2	$		$	$	84.2
Corporate debt securities	709.0		707.1				709.0			709.0
Other securities	2.6		2.6				2.6			2.6
Short-term investments	$	795.8	$	793.8
Noncurrent investments:
U.S. government and agencies	$	849.2	$	847.2	$	756.6	$	92.6	$	$	849.2
Corporate debt securities	3,350.2		3,324.6				3,350.2			3,350.2
Mortgage-backed	634.6		639.9				634.6			634.6
Asset-backed	358.2		360.8				358.2			358.2
Other securities	7.8		8.0				7.8			7.8
Marketable equity	200.5		82.8		200.5					200.5
Equity method and other investments(1)	235.7		235.7
Noncurrent investments	$	5,636.2	$	5,499.0
December 31, 2012
Cash and cash equivalents	$	4,018.8	$	4,018.8	$	3,964.4	$	54.4	$	$	4,018.8
Short-term investments:
U.S. government and agencies	$	150.2	$	150.2	$	150.2	$		$	$	150.2
Corporate debt securities	1,503.5		1,501.5				1,503.5			1,503.5
Other securities	11.8		11.8				11.8			11.8
Short-term investments	$	1,665.5	$	1,663.5
Noncurrent investments:
U.S. government and agencies	$	1,362.7	$	1,360.3	$	1,122.4	$	240.3	$	$	1,362.7
Corporate debt securities	3,351.3		3,322.9				3,351.3			3,351.3
Mortgage-backed	668.1		677.7				668.1			668.1
Asset-backed	519.0		523.5				519.0			519.0
Other securities	3.3		3.3				3.3			3.3
Marketable equity	175.8		83.0		175.8					175.8
Equity method and other investments(1)	233.1		233.1
Noncurrent investments	$	6,313.3	$	6,203.8

Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]

				Fair Value Measurements Using
Description	Carrying Amount			Quoted Prices in Active Markets for Identical Assets (Level 1)	Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)	Fair Value
Long-term debt, including current portion
March 31, 2013	$	(5,459.6	)	$	$	(5,886.4	)	$	$	(5,886.4	)
December 31, 2012	(5,531.3		)		(5,996.6		)		(5,996.6		)

Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]

The table below summarizes the contractual maturities of our investments in debt securities measured at fair value as of March 31, 2013:

	Maturities by Period
	Total		Less Than 1 Year		1-5 Years		6-10 Years		More Than 10 Years
Fair value of debt securities	$	5,991.2	$	795.8	$	4,004.4	$	452.7	$	738.3

Fair Value, by Balance Sheet Grouping [Table Text Block]

				Fair Value Measurements Using
Description	Carrying Amount			Quoted Prices in Active Markets for Identical Assets (Level 1)	Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)	Fair Value
March 31, 2013
Risk-management instruments
Interest rate contracts designated as hedging instruments:
Other receivables	$	16.6		$	$	16.6		$	$	16.6
Sundry	503.8				503.8				503.8
Foreign exchange contracts not designated as hedging instruments:
Other receivables	6.9				6.9				6.9
Other current liabilities	(7.9		)		(7.9		)		(7.9		)
December 31, 2012
Risk-management instruments
Interest rate contracts designated as hedging instruments:
Sundry	$	589.4		$	$	589.4		$	$	589.4
Foreign exchange contracts not designated as hedging instruments:
Other receivables	11.0				11.0				11.0
Other current liabilities	(17.5		)		(17.5		)		(17.5		)

Available-for-sale Securities [Table Text Block]

A summary of the fair value of available-for-sale securities in an unrealized gain or loss position and the amount of unrealized gains and losses (pretax) in accumulated other comprehensive loss follows:

	March 31, 2013		December 31, 2012
Unrealized gross gains	$	162.6	$	140.5
Unrealized gross losses	23.4		29.0
Fair value of securities in an unrealized gain position	4,248.2		5,246.0
Fair value of securities in an unrealized loss position	1,707.9		2,102.0

Gain (Loss) on Investments [Table Text Block]

Activity related to our investment portfolio, substantially all of which related to available-for-sale securities, was as follows:

	Three Months Ended
	March 31,
	2013		2012
Proceeds from sales	$	3,705.9	$	2,383.4
Realized gross gains on sales	10.0		13.7
Realized gross losses on sales	2.5		2.7

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Basis of Presentation

3 Months Ended

Mar. 31, 2013

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation [Text Block]

Note 1: Basis of Presentation

We have prepared the accompanying unaudited consolidated condensed financial statements in accordance with the requirements of Form 10-Q and, therefore, they do not include all information and footnotes necessary for a fair presentation of financial position, results of operations, and cash flows in conformity with accounting principles generally accepted in the United States (GAAP). In our opinion, the financial statements reflect all adjustments (including those that are normal and recurring) that are necessary for a fair presentation of the results of operations for the periods shown. In preparing financial statements in conformity with GAAP, we must make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues, expenses, and related disclosures at the date of the financial statements and during the reporting period. Actual results could differ from those estimates.

The information included in this Quarterly Report on Form 10-Q should be read in conjunction with our consolidated financial statements and accompanying notes included in our Annual Report on Form 10-K for the year ended December 31, 2012. We issued our financial statements by filing with the SEC and have evaluated subsequent events up to the time of the filing.

Certain reclassifications have been made to prior periods in the consolidated condensed financial statements and accompanying notes to conform with the current presentation.

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Consolidated Condensed Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net income	$ 1,548.0	$ 1,011.1
Other comprehensive income (loss), net of tax	(217.3)	309.4
Comprehensive income	$ 1,330.7	$ 1,320.5

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Retirement Benefits

3 Months Ended

Mar. 31, 2013

Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]

Retirement Benefits [Text Block]

Note 11: Retirement Benefits

Net pension and retiree health benefit expense included the following components:

	Defined Benefit Pension Plans						Retiree Health  Benefit Plans
	Three Months Ended						Three Months Ended
	March 31,						March 31,
	2013			2012			2013			2012
Components of net periodic benefit cost:
Service cost	$	69.7		$	63.0		$	15.1		$	16.4
Interest cost	109.4			113.0			23.4			28.5
Expected return on plan assets	(174.9		)	(171.1		)	(32.8		)	(31.8		)
Amortization of prior service cost	2.6			0.9			(6.9		)	(8.8		)
Recognized actuarial loss	96.0			70.9			23.0			23.7
Net periodic benefit cost	$	102.8		$	76.7		$	21.8		$	28.0

On a global basis, we have contributed approximately $30 million required to satisfy minimum funding requirements to our defined benefit pension plans in 2013. In addition, we have contributed approximately $300 million of discretionary funding to our global post-retirement benefit plans in 2013. During the remainder of 2013, we expect to make contributions to our defined benefit pension plans of approximately $30 million to satisfy minimum funding requirements. We do not anticipate making any additional discretionary contributions in 2013.

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Document and Entity Information	3 Months Ended
	Mar. 31, 2013	Apr. 20, 2013
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q1
Entity Registrant Name	Lilly Eli & Co
Entity Central Index Key	0000059478
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		1,126,561,464

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Contingencies

3 Months Ended

Mar. 31, 2013

Loss Contingency, Information about Litigation Matters [Abstract]

Contingencies [Text Block]

Note 12: Contingencies

We are a party to various legal actions and government investigations. The most significant of these are described below. It is not possible to determine the outcome of these matters and we cannot reasonably estimate the maximum potential exposure or the range of possible loss in excess of amounts accrued for any of these matters; however, we believe that, except as noted below with respect to the Alimta^® Hatch-Waxman patent challenges, the resolution of all such matters will not have a material adverse effect on our consolidated financial position or liquidity, but could possibly be material to our consolidated results of operations in any one accounting period.

Patent Litigation

We have been engaged in the following U.S. patent litigation matters involving Alimta brought pursuant to procedures set out in the Hatch-Waxman Act (the Drug Price Competition and Patent Term Restoration Act of 1984). Teva Parenteral Medicines, Inc. (Teva); APP Pharmaceuticals, LLC (APP); and Barr Laboratories, Inc. (Barr) each submitted ANDAs seeking approval to market generic versions of Alimta prior to the expiration of the relevant U.S. patents and data-based pediatric exclusivity period (compound patent licensed from the Trustees of Princeton University and expiring in 2017, vitamin dosage regimen patent expiring in 2022) and alleging the patents are invalid. We, along with Princeton, filed lawsuits in the U.S. District Court for the District of Delaware against Teva, APP, and Barr seeking rulings that the compound patent is valid and infringed. In July 2011, the district court entered judgment in our favor, upholding that patent’s validity. In August 2012, the U.S. Court of Appeals for the Federal Circuit (CAFC) affirmed the district court's judgment in our favor. Teva and APP filed a petition for en banc review of the CAFC's panel decision, which was denied in November 2012. The window for Teva and APP to seek review by the U.S. Supreme Court has expired, which fully resolves this litigation.

In October 2010, we filed a lawsuit in the U.S. District Court for the Southern District of Indiana against Teva, APP, Pliva Hrvatska D.O.O., and Barr seeking rulings that our vitamin dosage regimen patent is valid and infringed. Trial in this case is scheduled to begin in August 2013. In January 2012 and April 2012, we filed similar lawsuits against Accord Healthcare Inc. and Apotex Inc., respectively. A second lawsuit against Accord was filed in February 2013. In addition, generic manufacturers have opposed the European Patent Office's decision to grant a vitamin dosage regimen patent, and are seeking revocation of that patent.

We believe the challenges to the vitamin dosage regimen patents are without merit and expect to prevail. However, it is not possible to determine the outcome of the challenges, and accordingly, we can provide no assurance that we will prevail. An unfavorable outcome could have a material adverse impact on our future consolidated results of operations, liquidity, and financial position. We expect a loss of exclusivity for Alimta would result in a rapid and severe decline in future revenues in the relevant market.

Byetta Product Liability Litigation

We have been named as a defendant in approximately 160 Byetta product liability lawsuits involving approximately 545 plaintiffs. Approximately 100 of these lawsuits, covering about 485 plaintiffs, are filed in California and coordinated in a Los Angeles Superior Court. We are aware of approximately 460 additional claimants who have not yet filed suit. The majority of the claims allege damages for pancreatitis. A smaller number of claimants allege that Byetta caused or contributed to their pancreatic cancer. We believe these claims are without merit and are prepared to defend against them vigorously.

Diethylstilbestrol Product Liability Litigation

In approximately 80 U.S. lawsuits against us involving approximately 80 claimants, plaintiffs seek to recover damages on behalf of children or grandchildren of women who were prescribed diethylstilbestrol (DES) during pregnancy in the 1950s and 1960s. Approximately 75 of these claimants allege that they were indirectly exposed in utero to the medicine and later developed breast cancer as a consequence. We believe these claims are without merit and are prepared to defend against them vigorously.

Prozac^® Product Liability Litigation

We have been named as a defendant in seven U.S. lawsuits primarily related to allegations that the antidepressant Prozac caused or contributed to birth defects in the children of women who ingested the drug during pregnancy. We are aware of approximately 340 additional claims related to birth defects, which have not yet been filed. We believe these claims are without merit and are prepared to defend against them vigorously.

Product Liability Insurance

Because of the nature of pharmaceutical products, it is possible that we could become subject to large numbers of product liability and related claims in the future. In the past several years, we have been unable to obtain product liability insurance due to a very restrictive insurance market. Therefore, for substantially all of our currently marketed products, we have been and expect that we will continue to be completely self-insured for product liability losses. The DES claims are covered by insurance, subject to deductibles and coverage limits. There is no assurance that we will be able to fully collect from our insurance carriers in the future.

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Consolidated Condensed Balance Sheets (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current Assets
Cash and cash equivalents	$ 3,936.6	$ 4,018.8
Short-term Investments	795.8	1,665.5
Accounts receivable, net of allowances of $107.4 (2013) and $108.5 (2012)	3,439.7	3,336.3
Other receivables	589.4	552.0
Inventories	2,576.7	2,643.8
Prepaid expenses and other	987.9	822.3
Total current assets	12,326.1	13,038.7
Other Assets
Investments	5,636.2	6,313.3
Goodwill and other intangibles - net	4,618.6	4,752.7
Sundry	2,095.8	2,534.0
Total other assets	12,350.6	13,600.0
Property and Equipment
Land, buildings, equipment, and construction-in-progress	14,887.6	14,918.0
Less accumulated depreciation	(7,264.2)	(7,157.8)
Property and equipment, net	7,623.4	7,760.2
Total assets	32,300.1	34,398.9
Current Liabilities
Short-term borrowings and current maturities of long-term debt	1,028.0	11.9
Accounts payable	974.4	1,188.3
Employee compensation	543.7	940.3
Sales rebates and discounts	1,693.8	1,777.2
Dividends payable	0	541.4
Income taxes payable	352.7	143.5
Deferred income taxes	726.6	1,048.0
Other current liabilities	2,274.4	2,738.9
Total current liabilities	7,593.6	8,389.5
Other Liabilities
Long-term debt	4,431.6	5,519.4
Accrued retirement benefits	2,660.4	3,012.4
Long-term income taxes payable	1,363.7	1,334.3
Other noncurrent liabilities	1,295.2	1,369.4
Total other liabilities	9,750.9	11,235.5
Shareholders' Equity
Common stock	704.5	716.6
Additional paid-in capital	4,902.9	4,963.1
Retained earnings	16,462.4	16,088.2
Employee benefit trust	(3,013.2)	(3,013.2)
Accumulated other comprehensive loss	(4,014.4)	(3,797.1)
Noncontrolling interests	7.0	8.7
Cost of common stock in treasury	(93.6)	(192.4)
Total shareholders' equity	14,955.6	14,773.9
Total liabilities and shareholders' equity	$ 32,300.1	$ 34,398.9

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Financial Instruments

3 Months Ended

Mar. 31, 2013

Fair Value Disclosures [Abstract]

Financial Instruments [Text Block]

Note 6: Financial Instruments

Financial instruments that potentially subject us to credit risk consist principally of trade receivables and interest-bearing investments. Wholesale distributors of life-sciences products account for a substantial portion of trade receivables; collateral is generally not required. The risk associated with this concentration is mitigated by our ongoing credit-review procedures and insurance. A large portion of our cash is held by a few major financial institutions. We monitor our exposures with these institutions and do not expect any of these institutions to fail to meet their obligations. Major financial institutions represent the largest component of our investments in corporate debt securities. In accordance with documented corporate policies, we limit the amount of credit exposure to any one financial institution or corporate issuer. We are exposed to credit-related losses in the event of nonperformance by counterparties to risk-management instruments but do not expect any counterparties to fail to meet their obligations given their high credit ratings.

Accounting Policy for Risk-Management Instruments

Our derivative activities are initiated within the guidelines of documented corporate risk-management policies and do not create additional risk because gains and losses on derivative contracts offset losses and gains on the assets, liabilities, and transactions being hedged. As derivative contracts are initiated, we designate the instruments individually as either a fair value hedge or a cash flow hedge. Management reviews the correlation and effectiveness of our derivatives on a quarterly basis.

For derivative contracts that are designated and qualify as fair value hedges, the derivative instrument is marked to market with gains and losses recognized currently in income to offset the respective losses and gains recognized on the underlying exposure. For derivative contracts that are designated and qualify as cash flow hedges, the effective portion of gains and losses on these contracts is reported as a component of accumulated other comprehensive loss and reclassified into earnings in the same period the hedged transaction affects earnings. Hedge ineffectiveness is immediately recognized in earnings. Derivative contracts that are not designated as hedging instruments are recorded at fair value with the gain or loss recognized currently in earnings during the period of change.

We may enter into foreign currency forward contracts to reduce the effect of fluctuating currency exchange rates (principally the euro, the British pound, and the Japanese yen). Foreign currency derivatives used for hedging are put in place using the same or like currencies and duration as the underlying exposures. Forward contracts are principally used to manage exposures arising from subsidiary trade and loan payables and receivables denominated in foreign currencies. These contracts are recorded at fair value with the gain or loss recognized in other — net, (income) expense. We may enter into foreign currency forward contracts and currency swaps as fair value hedges of firm commitments. Forward contracts generally have maturities not exceeding 12 months. At March 31, 2013, we had outstanding foreign currency forward commitments to purchase 510.3 million U.S. dollars and sell 397.1 million euro, commitments to purchase 456.4 million euro and sell 589.5 million U.S. dollars, and commitments to purchase 162.9 million British pounds and sell 190.7 million euro, which will all settle within 30 days.

In the normal course of business, our operations are exposed to fluctuations in interest rates. These fluctuations can vary the costs of financing, investing, and operating. We address a portion of these risks through a controlled program of risk management that includes the use of derivative financial instruments. The objective of controlling these risks is to limit the impact of fluctuations in interest rates on earnings. Our primary interest-rate risk exposure results from changes in short-term U.S. dollar interest rates. In an effort to manage interest-rate exposures, we strive to achieve an acceptable balance between fixed- and floating-rate debt and investment positions and may enter into interest rate swaps or collars to help maintain that balance.

Interest rate swaps or collars that convert our fixed-rate debt or investments to a floating rate are designated as fair value hedges of the underlying instruments. Interest rate swaps or collars that convert floating-rate debt or investments to a fixed rate are designated as cash flow hedges. Interest expense on the debt is adjusted to include the payments made or received under the swap agreements. At March 31, 2013, substantially all of our total debt is at a fixed rate. We have converted approximately 60 percent of our fixed-rate debt to floating rates through the use of interest rate swaps.

We may enter into forward contracts and designate them as cash flow hedges to limit the potential volatility of earnings and cash flow associated with forecasted sales of available-for-sale securities.

The Effect of Risk-Management Instruments on the Consolidated Condensed Statement of Operations

The following effects of risk-management instruments were recognized in other—net, (income) expense:

	Three Months Ended
	March 31,
	2013			2012
Fair value hedges:
Effect from hedged fixed-rate debt	$	(69.0	)	$	(65.9	)
Effect from interest rate contracts	69.0			65.9
Cash flow hedges:
Effective portion of losses on interest rate contracts reclassified from accumulated other comprehensive loss	2.2			2.2
Net (gains) losses on foreign currency exchange contracts not designated as hedging instruments	0.1			(32.8		)

The effective portion of net gains on equity contracts in designated cash flow hedging relationships recorded in other comprehensive income (loss) was $1.1 million for the three months endedMarch 31, 2013. There were no equity contracts in designated cash flow hedging relationships in 2012.

During the next 12 months, we expect to reclassify from accumulated other comprehensive loss to earnings $9.0 million of pretax net losses on cash flow hedges of the variability in expected future interest payments on our floating rate debt.

During the three months endedMarch 31, 2013 and 2012, net losses related to ineffectiveness, as well as net losses related to the portion of our risk-management hedging instruments, fair value hedges, and cash flow hedges that were excluded from the assessment of effectiveness, were not material.

Fair Value of Financial Instruments

The following tables summarize certain fair value information at March 31, 2013 and December 31, 2012 for assets and liabilities measured at fair value on a recurring basis, as well as the carrying amount and amortized cost of certain other investments:

					Fair Value Measurements Using
Description	Carrying Amount		Amortized Cost		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)	Fair Value
March 31, 2013
Cash and cash equivalents	$	3,936.6	$	3,936.6	$	3,907.2	$	29.4	$	$	3,936.6
Short-term investments:
U.S. government and agencies	$	84.2	$	84.1	$	84.2	$		$	$	84.2
Corporate debt securities	709.0		707.1				709.0			709.0
Other securities	2.6		2.6				2.6			2.6
Short-term investments	$	795.8	$	793.8
Noncurrent investments:
U.S. government and agencies	$	849.2	$	847.2	$	756.6	$	92.6	$	$	849.2
Corporate debt securities	3,350.2		3,324.6				3,350.2			3,350.2
Mortgage-backed	634.6		639.9				634.6			634.6
Asset-backed	358.2		360.8				358.2			358.2
Other securities	7.8		8.0				7.8			7.8
Marketable equity	200.5		82.8		200.5					200.5
Equity method and other investments(1)	235.7		235.7
Noncurrent investments	$	5,636.2	$	5,499.0
December 31, 2012
Cash and cash equivalents	$	4,018.8	$	4,018.8	$	3,964.4	$	54.4	$	$	4,018.8
Short-term investments:
U.S. government and agencies	$	150.2	$	150.2	$	150.2	$		$	$	150.2
Corporate debt securities	1,503.5		1,501.5				1,503.5			1,503.5
Other securities	11.8		11.8				11.8			11.8
Short-term investments	$	1,665.5	$	1,663.5
Noncurrent investments:
U.S. government and agencies	$	1,362.7	$	1,360.3	$	1,122.4	$	240.3	$	$	1,362.7
Corporate debt securities	3,351.3		3,322.9				3,351.3			3,351.3
Mortgage-backed	668.1		677.7				668.1			668.1
Asset-backed	519.0		523.5				519.0			519.0
Other securities	3.3		3.3				3.3			3.3
Marketable equity	175.8		83.0		175.8					175.8
Equity method and other investments(1)	233.1		233.1
Noncurrent investments	$	6,313.3	$	6,203.8

¹Fair value not applicable

				Fair Value Measurements Using
Description	Carrying Amount			Quoted Prices in Active Markets for Identical Assets (Level 1)	Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)	Fair Value
Long-term debt, including current portion
March 31, 2013	$	(5,459.6	)	$	$	(5,886.4	)	$	$	(5,886.4	)
December 31, 2012	(5,531.3		)		(5,996.6		)		(5,996.6		)

				Fair Value Measurements Using
Description	Carrying Amount			Quoted Prices in Active Markets for Identical Assets (Level 1)	Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)	Fair Value
March 31, 2013
Risk-management instruments
Interest rate contracts designated as hedging instruments:
Other receivables	$	16.6		$	$	16.6		$	$	16.6
Sundry	503.8				503.8				503.8
Foreign exchange contracts not designated as hedging instruments:
Other receivables	6.9				6.9				6.9
Other current liabilities	(7.9		)		(7.9		)		(7.9		)
December 31, 2012
Risk-management instruments
Interest rate contracts designated as hedging instruments:
Sundry	$	589.4		$	$	589.4		$	$	589.4
Foreign exchange contracts not designated as hedging instruments:
Other receivables	11.0				11.0				11.0
Other current liabilities	(17.5		)		(17.5		)		(17.5		)

Risk-management instruments above are disclosed on a gross basis. There are various rights of set off associated with certain of the risk-management instruments above which are subject to an enforceable master netting arrangement or similar agreements. Although various rights of set off and master netting arrangements or similar agreements may exist with the individual counterparties to the risk-management instruments above, individually, these financial rights are not material.

We determine fair values based on a market approach using quoted market values, significant other observable inputs for identical or comparable assets or liabilities, or discounted cash flow analyses. The fair value of equity method investments and other investments is not readily available.

The table below summarizes the contractual maturities of our investments in debt securities measured at fair value as of March 31, 2013:

	Maturities by Period
	Total		Less Than 1 Year		1-5 Years		6-10 Years		More Than 10 Years
Fair value of debt securities	$	5,991.2	$	795.8	$	4,004.4	$	452.7	$	738.3

A summary of the fair value of available-for-sale securities in an unrealized gain or loss position and the amount of unrealized gains and losses (pretax) in accumulated other comprehensive loss follows:

	March 31, 2013		December 31, 2012
Unrealized gross gains	$	162.6	$	140.5
Unrealized gross losses	23.4		29.0
Fair value of securities in an unrealized gain position	4,248.2		5,246.0
Fair value of securities in an unrealized loss position	1,707.9		2,102.0

Other-than-temporary impairment losses on investment securities of $5.2 million were recognized in the statement of operations for the three months endedMarch 31, 2013, compared with $3.7 million for the same period in 2012. For fixed-income securities, the amount of credit losses represents the difference between the present value of cash flows expected to be collected on these securities and the amortized cost. Factors considered in assessing the credit loss were the position in the capital structure, vintage and amount of collateral, delinquency rates, current credit support, and geographic concentration.

The securities in an unrealized loss position include fixed-rate debt securities of varying maturities. The value of fixed income securities is sensitive to changes in the yield curve and other market conditions. Approximately 80 percent of the securities in a loss position are investment-grade debt securities. At this time, there is no indication of default on interest or principal payments for debt securities other than those for which an other-than-temporary impairment charge has been recorded. We do not intend to sell and it is not more likely than not we will be required to sell the securities in a loss position before the market values recover or the underlying cash flows have been received, and we have concluded that no additional other-than-temporary loss is required to be charged to earnings as of March 31, 2013.

Activity related to our investment portfolio, substantially all of which related to available-for-sale securities, was as follows:

	Three Months Ended
	March 31,
	2013		2012
Proceeds from sales	$	3,705.9	$	2,383.4
Realized gross gains on sales	10.0		13.7
Realized gross losses on sales	2.5		2.7

Realized gains and losses on sales of investments are computed based upon specific identification of the initial cost adjusted for any other-than-temporary declines in fair value that were recorded in earnings.

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Asset Impairments, Restructuring, and Other Special Charges

3 Months Ended

Mar. 31, 2013

Asset Impairments and Restructuring [Abstract]

Unusual or Infrequent Items Disclosure [Text Block]

Note 5: Asset Impairments, Restructuring, and Other Special Charges

We recognized asset impairments, restructuring, and other special charges of $21.7 million and $23.8 million in the first quarter of 2013 and 2012, respectively. The 2013 charges related to severance costs for actions the company is taking, primarily outside the U.S., to reduce its cost structure and global workforce. The 2012 charges primarily relate to a change in our estimates of returned product related to the withdrawal of Xigris^TM from the market during the fourth quarter of 2011.

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Collaborations (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of Collaborative Arrangements and Non-collaborative Arrangement Transactions [Table Text Block]

The following table summarizes the composition of our total revenue recognized from all transactions, including collaboration activity:

	Three Months Ended
	March 31,
	2013		2012
Net product sales	$	5,448.5	$	5,413.8
Collaboration and other revenue	153.5		188.2
Total revenue	$	5,602.0	$	5,602.0

Erbitux [Member]

Schedule of Collaborative Arrangements and Non-collaborative Arrangement Transactions [Table Text Block]

The following table summarizes the revenue recognized with respect to Erbitux:

	Three Months Ended
	March 31,
	2013		2012
Net product sales	$	25.3	$	34.0
Collaboration and other revenue	69.6		79.3
Total revenue	$	94.9	$	113.3

Exenatide [Member]

Schedule of Collaborative Arrangements and Non-collaborative Arrangement Transactions [Table Text Block]

The following table summarizes the revenue and other income recognized with respect to exenatide: 

	Three Months Ended
	March 31,
	2013		2012
Net product sales	$	64.1	$	48.5
Collaboration and other revenue	—		51.3
Total revenue	$	64.1	$	99.8
Income related to transfer of exenatide commercial rights (1)	$	495.4	$	—

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Other Comprehensive Income (Loss) (Notes)

3 Months Ended

Mar. 31, 2013

Comprehensive Income (Loss) Note [Text Block]

Note 13:    Other Comprehensive Income (Loss)

The accumulated balances related to each component of other comprehensive income (loss) were as follows:

(Amounts presented net of taxes)	Foreign Currency Translation Gains (Losses)			Unrealized Net Gains (Losses) on Securities			Defined Benefit Pension and Retiree Health Benefit Plans			Effective Portion of Cash Flow Hedges			Accumulated Other Comprehensive Loss
Balance at December 31, 2012	$	426.8		$	72.5		$	(4,195.2	)	$	(101.2	)	$	(3,797.1	)
Other comprehensive income (loss) before reclassifications	(346.0		)	21.3			32.4			0.7			(291.6		)
Net amount reclassified from accumulated other comprehensive loss	—			(3.3		)	76.1			1.5			74.3
Net other comprehensive income (loss)	(346.0		)	18.0			108.5			2.2			(217.3		)
Balance at March 31, 2013	$	80.8		$	90.5		$	(4,086.7	)	$	(99.0	)	$	(4,014.4	)

Reclassifications Out of Accumulated Other Comprehensive Loss For the Three Months Ended March 31, 2013
Details about Accumulated Other Comprehensive Loss Components	Amount Reclassified from Accumulated Other Comprehensive Loss			Affected Line Item in the Consolidated Condensed Statements of Operations
Amortization of defined pension benefit items:
Prior service costs	$	4.3		(1)
Actuarial gains (losses)	(119.0		)	(1)
Total before tax	(114.7		)
Tax benefit	38.6
Net of tax	(76.1		)
Other, net of tax	1.8			Other net, (income) expense
Total reclassifications for the period (net of tax)	$	(74.3	)

¹  These accumulated other comprehensive loss components are included in the computation of net periodic pension cost (see Note 11).

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Earnings Per Share

3 Months Ended

Mar. 31, 2013

Earnings Per Share [Abstract]

Earnings Per Share [Text Block]

Note 9: Earnings Per Share

Unless otherwise noted in the footnotes, all per-share amounts are presented on a diluted basis, that is, based on the weighted-average number of outstanding common shares plus the effect of all potentially dilutive common shares (primarily contingently issuable shares and unexercised stock options).

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Stock-Based Compensation

3 Months Ended

Mar. 31, 2013

Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]

Stock-Based Compensation [Text Block]

Note 7: Stock-Based Compensation

Our stock-based compensation expense consists primarily of performance awards (PAs), shareholder value awards (SVAs), and restricted stock units (RSUs). We recognized pretax stock-based compensation cost of $35.2 million and $30.9 million in the first quarter of 2013 and 2012, respectively.

PAs are granted to officers and management and are payable in shares of our common stock. The number of PA shares actually issued, if any, varies depending on the achievement of certain earnings per share targets over a two-year period. PA shares are accounted for at fair value based upon the closing stock price on the date of grant and fully vest at the end of the measurement period. As of March 31, 2013, the total remaining unrecognized compensation cost related to nonvested PAs amounted to $45.7 million, which will be amortized over the weighted-average remaining requisite service period of approximately 18 months.

SVAs are granted to officers and management and are payable in shares of common stock at the end of a three-year period. The number of shares actually issued varies depending on our stock price at the end of the three-year vesting period compared to pre-established target prices. We measure the fair value of the SVA unit on the grant date using a Monte Carlo simulation model. The Monte Carlo simulation model utilizes multiple input variables that determine the probability of satisfying the market condition stipulated in the award grant and calculates the fair value of the award. As of March 31, 2013, the total remaining unrecognized compensation cost related to nonvested SVAs amounted to $90.6 million, which will be amortized over the weighted-average remaining requisite service period of approximately 26 months.

RSUs are granted to certain employees and are payable in shares of our common stock. RSU shares are accounted for at fair value based upon the closing stock price on the date of grant. The corresponding expense is amortized over the vesting period, typically three years. As of March 31, 2013, the total remaining unrecognized compensation cost related to nonvested RSUs amounted to $96.0 million, which will be amortized over the weighted-average remaining requisite service period of 27 months.

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Shareholders' Equity

3 Months Ended

Mar. 31, 2013

Shareholders' Equity [Abstract]

Stockholders' Equity Note Disclosure [Text Block]

Note 8: Shareholders’ Equity

During the first quarter of 2013, we purchased the remaining $1.10 billion of shares associated with our previously announced $1.50 billion share repurchase program.

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Income Taxes

3 Months Ended

Mar. 31, 2013

Income Tax Disclosure [Abstract]

Income Taxes [Text Block]

Note 10: Income Taxes

We file income tax returns in the U.S. federal jurisdiction and various state, local, and non-U.S. jurisdictions. We are no longer subject to U.S. federal, state and local, or non-U.S. income tax examinations in most major taxing jurisdictions for years before 2007.

The U.S. examination of certain matters related to tax years 2008-2009 that were not settled as part of previous examinations remains in progress. Management believes it is reasonably possible the remaining 2008-2009 tax matters could be concluded within the next 12 months. However, resolution of these matters is still dependent upon a number of factors, including the potential for formal administrative and legal proceedings. As a result, it is not possible to estimate the range of the reasonably possible changes in unrecognized tax benefits that could occur within the next 12 months related to these years, nor is it possible to estimate reliably the total future cash flows related to these unrecognized tax benefits.

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Shareholders' Equity (Details) (USD $) In Billions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Stockholders' Equity Note [Abstract]
Treasury Stock, Value, Acquired, Cost Method	$ 1.10
Stock Repurchase Program, Authorized Amount		$ 1.50

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Segment Information

3 Months Ended

Mar. 31, 2013

Segment Reporting [Abstract]

Segment Reporting Disclosure [Text Block]

Note 15: Segment Information

We operate in two business segments—human pharmaceutical products and animal health. Our business segments are distinguished by the ultimate end user of the product—humans or animals. Performance is evaluated based on profit or loss from operations before income taxes.

	Three Months Ended
	March 31,
	2013			2012
Segment revenue — to unaffiliated customers:
Human pharmaceutical products:
Neuroscience	$	1,848.8		$	1,903.7
Endocrinology	1,724.9			1,690.9
Oncology	764.2			803.9
Cardiovascular	693.9			638.4
Other pharmaceuticals	71.1			74.4
Total human pharmaceutical products	5,102.9			5,111.3
Animal health	499.1			490.7
Total segment revenue	$	5,602.0		$	5,602.0
Segment profits:
Human pharmaceutical products	$	1,348.2		$	1,231.7
Animal health	129.2			127.4
Total segment profits	$	1,477.4		$	1,359.1
Reconciliation of total segment profits to consolidated income before taxes:
Segment profits	$	1,477.4		$	1,359.1
Other profits (losses):
Income related to transfer of exenatide commercial rights (Note 4)	495.4			—
Asset impairments, restructuring, and other special charges (Note 5)	(21.7		)	(23.8		)
Total consolidated income before taxes	$	1,951.1		$	1,335.3

For internal management reporting presented to the chief operating decision maker, certain costs are fully allocated to our human pharmaceutical products segment and therefore are not reflected in the animal health segment's profit. Such items include costs associated with treasury-related financing, global service centers, certain acquisition-related transaction costs, and inventory valuation adjustments.

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Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 2013

Other Comprehensive Income (Loss) [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

The accumulated balances related to each component of other comprehensive income (loss) were as follows:

(Amounts presented net of taxes)	Foreign Currency Translation Gains (Losses)			Unrealized Net Gains (Losses) on Securities			Defined Benefit Pension and Retiree Health Benefit Plans			Effective Portion of Cash Flow Hedges			Accumulated Other Comprehensive Loss
Balance at December 31, 2012	$	426.8		$	72.5		$	(4,195.2	)	$	(101.2	)	$	(3,797.1	)
Other comprehensive income (loss) before reclassifications	(346.0		)	21.3			32.4			0.7			(291.6		)
Net amount reclassified from accumulated other comprehensive loss	—			(3.3		)	76.1			1.5			74.3
Net other comprehensive income (loss)	(346.0		)	18.0			108.5			2.2			(217.3		)
Balance at March 31, 2013	$	80.8		$	90.5		$	(4,086.7	)	$	(99.0	)	$	(4,014.4	)

Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]

Reclassifications Out of Accumulated Other Comprehensive Loss For the Three Months Ended March 31, 2013
Details about Accumulated Other Comprehensive Loss Components	Amount Reclassified from Accumulated Other Comprehensive Loss			Affected Line Item in the Consolidated Condensed Statements of Operations
Amortization of defined pension benefit items:
Prior service costs	$	4.3		(1)
Actuarial gains (losses)	(119.0		)	(1)
Total before tax	(114.7		)
Tax benefit	38.6
Net of tax	(76.1		)
Other, net of tax	1.8			Other net, (income) expense
Total reclassifications for the period (net of tax)	$	(74.3	)

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Consolidated Condensed Balance Sheets (Parenthetical) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Accounts receivable, allowances	$ 107.4	$ 108.5

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Collaborations

3 Months Ended

Mar. 31, 2013

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Collaborations [Text Block]

Note 4: Collaborations

We often enter into collaborative arrangements to develop and commercialize drug candidates. Collaborative activities may include research and development, marketing and selling (including promotional activities and physician detailing), manufacturing, and distribution. These collaborations often require milestone and royalty or profit-share payments, contingent upon the occurrence of certain future events linked to the success of the asset in development, as well as expense reimbursements or payments to the third party. Revenues related to products sold by us pursuant to these arrangements are included in net product sales, while other sources of revenue (e.g., royalties and profit-share payments) are included in collaboration and other revenue. Operating expenses for costs incurred pursuant to these arrangements are reported in their respective expense line item, net of any payments made to or reimbursements received from our collaboration partners. Each collaboration is unique in nature, and our more significant arrangements are discussed below.

The following table summarizes the composition of our total revenue recognized from all transactions, including collaboration activity:

	Three Months Ended
	March 31,
	2013		2012
Net product sales	$	5,448.5	$	5,413.8
Collaboration and other revenue	153.5		188.2
Total revenue	$	5,602.0	$	5,602.0

Exenatide

In November 2011, we agreed with Amylin Pharmaceuticals, Inc. (Amylin) to terminate our collaborative arrangement for the joint development, marketing, and selling of Byetta^® (exenatide injection) and other forms of exenatide such as Bydureon^® (exenatide extended-release for injectable suspension). Under the terms of the termination agreement, Amylin made a one-time, upfront payment to us of $250.0 million. Amylin also agreed to make future revenue-sharing payments to us in an amount equal to 15.0 percent of its global net sales of exenatide products until Amylin made aggregate payments to us of $1.20 billion plus interest, which would accrue at 9.5 percent. Upon completion of the acquisition of Amylin by Bristol-Myers Squibb Company in August 2012, Amylin's obligation of $1.26 billion, including accrued interest, was paid in full, with $1.21 billion representing a prepayment of the obligation. Amylin will also pay a $150.0 million milestone to us contingent upon Food, Drug and Administration (FDA) approval of a once-monthly suspension version of exenatide that is currently in Phase II clinical trials.

Commercial operations were transferred to Amylin in the U.S. at the end of November 2011. Outside the U.S., we transferred to Amylin exenatide commercial rights and control in all markets during the first quarter of 2013.

Payments received from Amylin were allocated 65 percent to the U.S., which was treated as a contract termination, and 35 percent to the business outside the U.S., which was treated as the disposition of a business. The allocation was based upon relative fair values. The revenue-sharing income allocated to the U.S. was recognized as collaboration and other revenue, consistent with our policy for royalty revenue, while the income related to the prepayment of Amylin's obligation allocated to the U.S. was recognized in other-net, (income) expense. All income allocated to the business outside the U.S. that was transferred during the first quarter of 2013 was recognized as a gain on the disposition of a business in other-net, (income) expense, net of the goodwill allocated to the business transferred.

Prior to termination of the collaboration, we and Amylin were co-promoting Byetta in the United States. Amylin was responsible for manufacturing and primarily utilized third-party contract manufacturers to supply Byetta. We supplied Byetta pen delivery devices for Amylin and will continue to do so for a period that will not extend beyond December 31, 2013. We were responsible for certain development costs related to certain clinical trials outside the U.S. that we were conducting as of the date of the termination agreement as well as commercialization costs outside the U.S. until the commercial rights were transferred to Amylin.

Under the terms of our prior arrangement, we reported as collaboration and other revenue our 50 percent share of gross margin on Amylin’s net product sales in the United States. We reported as net product sales 100 percent of sales outside the U.S. and our sales of Byetta pen delivery devices to Amylin. We paid Amylin a percentage of the gross margin of exenatide sales outside of the U.S., and these costs were recorded in cost of sales. This arrangement for the commercial operations outside the U.S. continued until those rights were transferred to Amylin during the first quarter of 2013. Prior to termination of the agreement, under the 50/50 profit-sharing arrangement for the U.S., in addition to recording as revenue our 50 percent share of exenatide’s gross margin, we also recorded approximately 50 percent of U.S. related research and development costs and marketing and selling costs in the respective line items on the consolidated condensed statements of operations.

In accordance with the prior arrangement and pursuant to Amylin’s request, we loaned Amylin $165.0 million in the second quarter of 2011. This loan and related accrued interest were paid in full in August 2012.

The following table summarizes the revenue and other income recognized with respect to exenatide: 

	Three Months Ended
	March 31,
	2013		2012
Net product sales	$	64.1	$	48.5
Collaboration and other revenue	—		51.3
Total revenue	$	64.1	$	99.8
Income related to transfer of exenatide commercial rights (1)	$	495.4	$	—

¹ Presented in other-net, (income) expense

Erbitux^® 

We have several collaborations with respect to Erbitux. The most significant collaborations are in the U.S., Japan, and Canada (Bristol-Myers Squibb Company); and worldwide except the U.S. and Canada (Merck KGaA). The agreements are expected to expire in 2018, upon which all of the rights with respect to Erbitux in the U.S. and Canada return to us and certain rights with respect to Erbitux outside the U.S. and Canada (excluding Japan) remain with Merck KGaA (Merck).

The following table summarizes the revenue recognized with respect to Erbitux:

	Three Months Ended
	March 31,
	2013		2012
Net product sales	$	25.3	$	34.0
Collaboration and other revenue	69.6		79.3
Total revenue	$	94.9	$	113.3

Bristol-Myers Squibb Company

Pursuant to a commercial agreement with Bristol-Myers Squibb Company and E.R. Squibb (collectively, BMS), relating to Erbitux, we are co-developing Erbitux in the U.S. and Canada with BMS, exclusively, and in Japan with BMS and Merck. The companies have jointly agreed to expand the investment in the ongoing clinical development plan for Erbitux to further explore its use in additional tumor types. Under this arrangement, Erbitux research and development and other costs are shared by both companies according to a predetermined ratio.

Responsibilities associated with clinical and other ongoing studies are apportioned between the parties under the agreement. Collaborative reimbursements received by us for supply of clinical trial materials; for research and development; and for a portion of marketing, selling, and administrative expenses are recorded as a reduction to the respective expense line items on the consolidated condensed statement of operations. We receive a distribution fee in the form of a royalty from BMS, based on a percentage of net sales in the U.S. and Canada, which is recorded in collaboration and other revenue. Royalty expense paid to third parties, net of any reimbursements received, is recorded as a reduction of collaboration and other revenue.

We are responsible for the manufacture and supply of all requirements of Erbitux in bulk-form active pharmaceutical ingredient (API) for clinical and commercial use in the territory, and BMS will purchase all of its requirements of API for commercial use from us, subject to certain stipulations per the agreement. Sales of Erbitux to BMS for commercial use are reported in net product sales.

Merck KGaA

A development and license agreement with Merck with respect to Erbitux granted Merck exclusive rights to market Erbitux outside of the U.S. and Canada, and co-exclusive rights with BMS and us in Japan. Merck also has rights to manufacture Erbitux for supply in its territory. We receive a royalty on the sales of Erbitux outside of the U.S. and Canada, which is included in collaboration and other revenue as earned. Collaborative reimbursements received for research and for development; and marketing, selling, and administrative expenses are recorded as a reduction to the respective expense line items on the consolidated condensed statement of operations. Royalty expense paid to third parties, net of any royalty reimbursements received, is recorded as a reduction of collaboration and other revenue.

Effient^® 

We are in a collaborative arrangement with Daiichi Sankyo Company, Limited (Daiichi Sankyo) to develop, market, and promote Effient. We and Daiichi Sankyo have agreed to co-promote in certain territories (including the U.S. and five major European markets), while we have exclusive marketing rights in certain other territories. Daiichi Sankyo has exclusive marketing rights in Japan and certain other territories. The parties share approximately 50/50 in the profits, as well as in the costs of development and marketing in the co-promotion territories. A third party manufactures bulk product, and we produce the finished product for our exclusive and co-promotion territories. We record product sales in our exclusive and co-promotion territories. In our exclusive territories, we pay Daiichi Sankyo a royalty specific to these territories. Profit-share payments made to Daiichi Sankyo are recorded as marketing, selling, and administrative expenses. All royalties paid to Daiichi Sankyo and the third-party manufacturer are recorded in cost of sales. Effient sales were $115.9 million and $115.8 million for the three months ended March 31, 2013 and 2012, respectively.

Diabetes Collaboration

In January 2011, we and Boehringer Ingelheim entered into a global agreement to jointly develop and commercialize a portfolio of diabetes compounds. Included are Boehringer Ingelheim’s two oral diabetes agents, linagliptin and empagliflozin. Subsequently in 2011, linagliptin was approved and launched in the U.S. (trade name Tradjenta^®), Japan (trade name Trazenta™), Europe (trade name Trajenta^®), and other countries. Empagliflozin is currently under regulatory review in the U.S. and Europe. Also included in the agreement is our new insulin glargine product, which began Phase III clinical testing in the second half of 2011, and an option granted to Boehringer Ingelheim to co-develop and co-commercialize our anti-TGF-beta monoclonal antibody, which is currently in Phase II clinical testing. Under the terms of the global agreement, we made an initial one-time payment to Boehringer Ingelheim of $388.0 million and recorded an acquired in-process research and development (IPR&D) charge, which was included as expense in the first quarter of 2011 and is deductible for tax purposes.

In connection with the approval of linagliptin in the U.S., Japan, and Europe, in 2011 we paid $478.7 million in success-based regulatory milestones, all of which were capitalized as intangible assets and are being amortized to cost of sales. We incurred milestone-related expenses of $92.2 million in connection with regulatory submissions for empagliflozin in the U.S. and Europe during the first quarter of 2013. These regulatory submission milestones were recorded as research and development expenses. We may also pay up to 228.8 million euro in additional regulatory milestones for empagliflozin. We will be eligible to receive up to a total of $300.0 million in success-based regulatory milestones on our new insulin glargine product. Should Boehringer Ingelheim elect to opt in to the Phase III development and potential commercialization of the anti-TGF-beta monoclonal antibody, we would be eligible for up to $525.0 million in opt-in and success-based regulatory milestone payments. The companies share ongoing development costs equally. The companies also share in the commercialization costs and gross margin for any product resulting from the collaboration that receives regulatory approval. We record our portion of the gross margin as collaboration and other revenue, and we record our portion of the commercialization costs as marketing, selling, and administrative expense. Each company will also be entitled to potential performance payments on sales of the molecules they contribute to the collaboration. Revenue related to this collaboration was $42.6 million and $12.9 million for the three months ended March 31, 2013 and 2012, respectively.

Solanezumab

We have an agreement with an affiliate of TPG-Axon Capital (TPG) whereby TPG funded a portion of the Phase III development of solanezumab. Under the agreement, TPG’s obligation to fund solanezumab costs was not material and ended in the first half of 2011. In exchange for their funding, TPG may receive success-based sales milestones totaling approximately $70 million and mid-single digit royalties that are contingent upon the successful development of solanezumab. The royalties relating to solanezumab would be paid for approximately eight years after launch of a product.

Baricitinib

In December 2009, we entered into a worldwide license and collaboration agreement with Incyte Corporation (Incyte) to acquire development and commercialization rights to its JAK inhibitor compound, now known as baricitinib, and certain follow-on compounds, for the treatment of inflammatory and autoimmune diseases. The agreement calls for payments of up to $515.0 million associated with certain development and regulatory milestones as well as an additional $150.0 million of potential sales-based milestones. Incyte also has the right to receive tiered, double-digit royalty payments on future global sales with rates ranging up to 20 percent if the product is successfully commercialized. The agreement provides Incyte with options to co-develop these compounds on an indication-by-indication basis by funding 30 percent of the associated development costs from the initiation of a Phase IIb trial through regulatory approval in exchange for increased tiered royalties ranging up to percentages in the high twenties. The agreement also provides Incyte with an option to co-promote in the United States. In 2010, Incyte exercised its option to co-develop baricitinib in rheumatoid arthritis. We made development milestone payments of $49.0 million in 2010 related to Phase II trials of baricitinib. Upon initiation of Phase III trials for the treatment of rheumatoid arthritis in the fourth quarter of 2012, we incurred an additional milestone-related expense of $50.0 million. These milestone payments were recorded as research and development expenses.

Summary of Collaboration-Related Commission and Profit-Share Payments

The aggregate amount of commission and profit-share payments included in marketing, selling, and administrative expense pursuant to the collaborations described above was $45.2 million and $46.8 million in the three months ended March 31, 2013 and 2012, respectively.

Amortization of Intangible Assets

We record, as finite-lived intangible assets, the cost of milestone payments associated with products approved for marketing, as well as the cost of rights to assets approved for marketing that were acquired in business combinations. We also record finite-lived intangible assets for the cost of licensed platform technologies that have alternative future uses in research and development; manufacturing technologies; and customer relationships from business combinations. Amortization expense related to these finite-lived intangibles was $146.1 million and $147.7 million in the three months ended March 31, 2013 and 2012, respectively.

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Other - Net, Expense (Income) (Tables)

3 Months Ended

Mar. 31, 2013

Nonoperating Income (Expense) [Abstract]

Schedule of Other Nonoperating Income (Expense) [Table Text Block]

Other–net, (income) expense consisted of the following:

	Three Months Ended
	March 31,
	2013			2012
Income related to transfer of exenatide commercial rights (Note 4)	$	(495.4	)	$	—
Interest expense	40.3			45.3
Interest income	(23.6		)	(26.1		)
Other	(50.5		)	26.8
Other—net, (income) expense	$	(529.2	)	$	46.0

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Other Comprehensive Income (Loss) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Arising During Period, before Tax	$ 4.3
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax	80.8		426.8
Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	90.5		72.5
Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax	(4,086.7)		(4,195.2)
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax	(99.0)		(101.2)
Accumulated other comprehensive loss	(4,014.4)		(3,797.1)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	(346.0)
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax	21.3
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, before Reclassification Adjustments, Net of Tax	32.4
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	0.7
Other Comprehensive Income (Loss), Adjustment, before Reclassification Adjustments, Net of Tax	(291.6)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment Realized upon Sale or Liquidation, Net of Tax	0
Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, Net of Tax	(3.3)
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, Net of Tax	76.1
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax	1.5
Other Comprehensive Income (Loss), Reclassification Adjustment, Net of Tax	(74.3)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	(346.0)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	18.0
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	(108.5)
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	2.2
Other comprehensive income (loss), net of tax	(217.3)	309.4
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, before Tax	(119.0)
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, before Tax	114.7
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax	38.6
Other Comprehensive Income, Other, Net of Tax	$ 1.8

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Other-Net, Expense (Income)

3 Months Ended

Mar. 31, 2013

Nonoperating Income (Expense) [Abstract]

Other - Net, Expense (Income) [Text Block]

Note 14: Other—Net, (Income) Expense

Other–net, (income) expense consisted of the following:

	Three Months Ended
	March 31,
	2013			2012
Income related to transfer of exenatide commercial rights (Note 4)	$	(495.4	)	$	—
Interest expense	40.3			45.3
Interest income	(23.6		)	(26.1		)
Other	(50.5		)	26.8
Other—net, (income) expense	$	(529.2	)	$	46.0

Other—net, income of $529.2 million for the first three months of 2013 is primarily related to the income recognized from the transfer to Amylin of exenatide commercial rights in all markets outside the United States. See Note 4 for additional information.