Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Cash Flows from Operating Activities
Net income	$ 4,347.7	$ 5,069.5	$ 4,328.8
Adjustments to Reconcile Net Income to Cash Flows from Operating Activities:
Depreciation and amortization	1,373.6	1,328.2	1,297.8
Changes in deferred income taxes	(268.5)	559.7	189.9
Stock-based compensation expense	147.4	231.0	368.5
Impairment charges, indefinite lived intangibles	151.5	0	0
Acquired in-process research and development, net of tax	252.2	32.5	58.5
Net marketing investigation charges accrued paid	0	(112.3)	(1,313.6)
Other operating activities, net	(17.8)	(66.3)	362.5
Changes in operating assets and liabilities, net of acquisitions
Receivables - (increase) decrease	(188.8)	(319.1)	(492.9)
Inventories - (increase) decrease	203.1	157.0	(179.0)
Other Assets - (increase) decrease	642.7	340.5	(84.9)
Accounts payable and other liabilities - increase (decrease)	591.4	(363.9)	(200.1)
Net Cash Provided by Operating Activities	7,234.5	6,856.8	4,335.5
Cash Flows from Investing Activities
Purchases of property and equipment	(672.0)	(694.3)	(765.0)
Disposals of property and equipment	25.3	24.6	17.7
Net change in short-term investments	(250.9)	(686.5)	399.1
Proceeds from sales and maturities of noncurrent investments	2,138.5	584.7	1,107.8
Purchases of noncurrent investments	(4,459.4)	(1,067.2)	(432.3)
Purchase of product rights	(632.9)	(442.4)	0
Purchase of in-process research and development	(388.0)	(50.0)	(90.0)
Cash paid for acquisition, net of cash acquired	(307.8)	(609.4)	0
Loan to collaboration partner	(165.0)	0	0
Other investing activities, net	(112.2)	(219.3)	(94.5)
Net Cash Used for Investing Activities	(4,824.4)	(3,159.8)	142.8
Cash Flows from Financing Activities
Dividends paid	(2,180.1)	(2,165.3)	(2,152.1)
Net change in short-term borrowings	(141.2)	123.9	(5,824.2)
Proceeds from issuance of long-term debt	0	1.2	2,400.0
Repayment of long-term debt	(54.6)	(1.1)	0
Other financing activities, net	6.0	19.4	42.6
Net Cash Used in Financing Activities	(2,369.9)	(2,021.9)	(5,533.7)
Effect of exchange rate on cash and cash equivalents	(110.9)	(144.8)	21.6
Net Increase in Cash and Cash Equivalents	(70.7)	1,530.3	(1,033.8)
Cash and cash equivalents at January 1	5,993.2	4,462.9	5,496.7
Cash and Cash Equivalents at September 30	$ 5,922.5	$ 5,993.2	$ 4,462.9