Consolidated Condensed Statements of Cash Flows - USD ($)	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash Flows from Operating Activities
Net income	$ 4,076,900,000	$ 6,822,700,000
Adjustments to Reconcile Net Income to Cash Flows from Operating Activities:
Gain related to disposition of Elanco (Note 5)	0	(3,680,500,000)
Depreciation and amortization	956,400,000	891,900,000
Change in deferred income taxes	66,200,000	(23,400,000)
Stock-based compensation expense	220,300,000	230,800,000
Net investment gains	(909,500,000)	(177,600,000)
Acquired in-process research and development (Note 3)	294,100,000	239,600,000
Other changes in operating assets and liabilities, net of acquisitions and divestitures	(232,200,000)	(1,763,700,000)
Other non-cash operating activities, net	212,200,000	333,100,000
Net Cash Provided by Operating Activities	4,684,400,000	2,872,900,000
Cash Flows from Investing Activities
Net purchases of property and equipment	(933,200,000)	(707,400,000)
Proceeds from sales and maturities of short-term investments	118,800,000	116,300,000
Purchases of short-term investments	(11,400,000)	(34,100,000)
Proceeds from sales of noncurrent investments	574,100,000	498,400,000
Purchases of noncurrent investments	(223,700,000)	(196,700,000)
Cash paid for acquisitions, net of cash acquired (Note 3)	(849,300,000)	(6,917,700,000)
Purchases of in-process research and development	(276,400,000)	(319,600,000)
Other investing activities, net	16,300,000	(480,700,000)
Net Cash Used for Investing Activities	(1,584,800,000)	(8,041,500,000)
Cash Flows from Financing Activities
Dividends paid	(2,017,100,000)	(1,822,600,000)
Net change in short-term borrowings	(914,300,000)
Net change in short-term borrowings		1,058,900,000
Proceeds from issuance of long-term debt	2,062,300,000	4,448,300,000
Repayments of long-term debt	(276,300,000)	(600,300,000)
Purchases of common stock	(500,000,000.0)	(4,100,000,000.0)
Other financing activities, net	(200,200,000)	(195,200,000)
Net Cash Used for Financing Activities	(1,845,600,000)	(1,210,900,000)
Effect of exchange rate changes on cash and cash equivalents	3,800,000	(54,900,000)
Net increase (decrease) in cash and cash equivalents	1,257,800,000	(6,434,400,000)
Cash and cash equivalents at January 1 (2019 includes $677.5 of discontinued operations)	2,337,500,000	7,998,200,000
Cash and Cash Equivalents at September 30	$ 3,595,300,000	$ 1,563,800,000