Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

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 SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20
-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 16
-Article 9

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- Definition

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

+ References

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- Definition

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.

+ References

No definition available.

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- Definition

The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399

Reference 2: 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=34725769&loc=d3e28878-108400

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- Definition

Debt Instrument, Purchase Price Percent Due to Downgrade of Investment Grade

+ References

No definition available.

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Financial Instruments (Senior Notes Offering) (Details) - USD ($) $ in Millions	Dec. 31, 2015	Nov. 13, 2015	Dec. 31, 2014	Jan. 28, 2013
Debt Instrument [Line Items]
Debt, principal amount	$ 4,900
Senior Notes
Debt Instrument [Line Items]
Debt, principal amount		$ 1,250		$ 3,650
Debt, unamortized discount		2		$ 10
Debt, purchase price percent due to downgrade of investment grade				101.00%
Senior Notes \| Initial Purchasers
Debt Instrument [Line Items]
Debt, principal amount				$ 2,650
Senior Notes \| Pfizer Transfer
Debt Instrument [Line Items]
Debt, principal amount				1,000
Senior Notes \| Senior Notes 3.450% due 2020
Debt Instrument [Line Items]
Debt, principal amount	500	$ 500	$ 0
Debt, stated interest rate		3.45%
Senior Notes \| Senior Notes 4.500% due 2025
Debt Instrument [Line Items]
Debt, principal amount	750	$ 750
Debt, stated interest rate		4.50%
Senior Notes \| Senior Notes 1.150% due 2016
Debt Instrument [Line Items]
Debt, principal amount	400			$ 400
Debt, stated interest rate				1.15%
Senior Notes \| Senior Notes 1.875% due 2018
Debt Instrument [Line Items]
Debt, principal amount	750			$ 750
Debt, stated interest rate				1.875%
Senior Notes \| Senior Notes 3.250% due 2023
Debt Instrument [Line Items]
Debt, principal amount	1,350			$ 1,350
Debt, stated interest rate				3.25%
Senior Notes \| Senior Notes 4.700% due 2043
Debt Instrument [Line Items]
Debt, principal amount	$ 1,150			$ 1,150
Debt, stated interest rate				4.70%
Prior to Initial Public Offering
Debt Instrument [Line Items]
Debt, principal amount			3,653
Prior to Initial Public Offering \| Senior Notes \| Senior Notes 4.500% due 2025
Debt Instrument [Line Items]
Debt, principal amount			0
Prior to Initial Public Offering \| Senior Notes \| Senior Notes 1.150% due 2016
Debt Instrument [Line Items]
Debt, principal amount			400
Prior to Initial Public Offering \| Senior Notes \| Senior Notes 1.875% due 2018
Debt Instrument [Line Items]
Debt, principal amount			750
Prior to Initial Public Offering \| Senior Notes \| Senior Notes 3.250% due 2023
Debt Instrument [Line Items]
Debt, principal amount			1,350
Prior to Initial Public Offering \| Senior Notes \| Senior Notes 4.700% due 2043
Debt Instrument [Line Items]
Debt, principal amount			$ 1,150