XML 68 R37.htm IDEA: XBRL DOCUMENT v3.21.2

Income Taxes (Tables)

9 Months Ended

Sep. 30, 2021

Income Tax Disclosure [Abstract]

Reconciliation between the U.S. federal statutory tax rate and effective tax rate

A reconciliation between the U.S. federal statutory tax rate and our effective tax rate is summarized as follows:

			For the Three Months Ended September 30,												For the Nine Months Ended September 30,
			2021						2020						2021						2020
Statutory rate			21.0		%				21.0		%				21.0		%				21.0		%
State taxes			0.3						0.9						0.9						0.6
Taxes on foreign earnings			(20.2)						(3.0)						(11.5)						(3.6)
Tax credits			(7.1)						(2.3)						(4.1)						(1.3)
Purchased intangible assets			(6.2)						2.9						(1.4)						0.8
TECFIDERA impairment			—						3.5						—						1.9
GILTI			2.6						2.2						1.6						1.3
Neurimmune tax impacts			(0.5)						0.2						(36.4)						(0.1)
Other			1.2						(0.3)						0.7						0.3
Effective tax rate			(8.9)		%				25.1		%				(29.2)		%				20.9		%

X

- References

No definition available.

+ Details

Name:	us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

+ Details

Name:	us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration