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Segment Information (Details 1) - USD ($) $ in Millions		3 Months Ended								12 Months Ended
		Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Geographic information
Product, net		$ 2,502.9	$ 2,539.6	$ 2,466.0	$ 2,309.4	$ 2,425.9	$ 2,391.7	$ 2,198.6	$ 2,172.3	$ 9,817.9	$ 9,188.5	$ 8,203.4
Revenues from anti-CD20 therapeutic programs		318.2	317.6	349.2	329.5	333.9	337.2	337.5	330.6	1,314.5	1,339.2	1,195.4
Other revenues from external customers		50.9	$ 98.6	$ 79.0	$ 87.9	79.5	$ 49.0	$ 55.6	$ 52.0	316.4	236.1	304.5
Long-lived assets		2,501.8				2,187.6				2,501.8	2,187.6	1,765.7
U.S
Geographic information
Product, net										7,050.4	6,545.8	5,566.7
Revenues from anti-CD20 therapeutic programs										1,249.5	1,269.8	1,117.1
Other revenues from external customers										224.7	142.0	212.6
Long-lived assets		1,272.3				1,296.5				1,272.3	1,296.5	1,055.5
Europe
Geographic information
Product, net	[1]									1,533.5	1,497.6	1,383.9
Revenues from anti-CD20 therapeutic programs	[1]									1.9	3.5	7.7
Other revenues from external customers	[1]									70.0	29.6	31.6
Long-lived assets	[1]	1,219.3				879.4				1,219.3	879.4	701.9
Germany
Geographic information
Product, net										703.7	668.1	811.8
Revenues from anti-CD20 therapeutic programs										0.0	0.0	0.0
Other revenues from external customers										1.5	1.6	1.8
Long-lived assets		1.8				2.3				1.8	2.3	2.5
Asia
Geographic information
Product, net										217.3	143.7	112.8
Revenues from anti-CD20 therapeutic programs										0.0	0.0	0.0
Other revenues from external customers										20.2	62.9	58.5
Long-lived assets		7.0				7.7				7.0	7.7	2.6
Other
Geographic information
Product, net										313.0	333.3	328.2
Revenues from anti-CD20 therapeutic programs										63.1	65.9	70.6
Other revenues from external customers										0.0	0.0	0.0
Long-lived assets		$ 1.4				$ 1.7				$ 1.4	$ 1.7	$ 3.2
[1] Represents amounts related to Europe less those attributable to Germany.

X

- Definition

Revenues from anti-CD20 therapeutic programs consists of our share of pre-tax co-promotion profits in the U.S.; reimbursement of selling and development expense in the U.S.; and revenue on sales of RITUXAN outside the U.S., which consist of our share of pre-tax co-promotion profits in Canada.

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- Definition

Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
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-Paragraph 41
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Amount, after sales adjustments, returns, allowances, and discounts, of revenue classified as other.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
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