Borrowings and Capital Lease (Senior Notes Issued by SAIIDAC) (Details) - USD ($)	Mar. 31, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Carrying amount	$ 19,495,900,000	$ 19,899,800,000
Shire Acquisitions Investment Ireland Designated Activity Company \| Senior Notes
Debt Instrument [Line Items]
Aggregate amount	12,100,000,000
Carrying amount	12,042,100,000
Shire Acquisitions Investment Ireland Designated Activity Company \| Senior Notes \| Fixed-rate notes due 2019
Debt Instrument [Line Items]
Aggregate amount	$ 3,300,000,000
Coupon rate	1.90%
Effective Interest Rate	2.05%
Carrying amount	$ 3,288,600,000
Shire Acquisitions Investment Ireland Designated Activity Company \| Senior Notes \| Fixed-rate notes due 2021
Debt Instrument [Line Items]
Aggregate amount	$ 3,300,000,000
Coupon rate	2.40%
Effective Interest Rate	2.53%
Carrying amount	$ 3,283,800,000
Shire Acquisitions Investment Ireland Designated Activity Company \| Senior Notes \| Fixed-rate notes due 2023
Debt Instrument [Line Items]
Aggregate amount	$ 2,500,000,000
Coupon rate	2.875%
Effective Interest Rate	2.97%
Carrying amount	$ 2,488,400,000
Shire Acquisitions Investment Ireland Designated Activity Company \| Senior Notes \| Fixed-rate notes due 2026
Debt Instrument [Line Items]
Aggregate amount	$ 3,000,000,000
Coupon rate	3.20%
Effective Interest Rate	3.30%
Carrying amount	$ 2,981,300,000

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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