Commitments and Contingencies (Actions In Which We Are The Defendant) (Detail) In Millions, unless otherwise specified	3 Months Ended		0 Months Ended	12 Months Ended	24 Months Ended		3 Months Ended	1 Months Ended			1 Months Ended
	Mar. 30, 2014 Effexor [Member] USD ($)	Mar. 30, 2014 Neurontin [Member] USD ($)	Jun. 30, 2014 Patent Infringement [Member] Effexor [Member] Teva Canada Limited Versus Pfizer Canada Inc. [Member] Pending Litigation [Member] CAD	Dec. 31, 2006 Patent Infringement [Member] Effexor [Member] Teva Canada Limited Versus Pfizer Canada Inc. [Member] Pending Litigation [Member] Patents	Dec. 31, 2012 Patent Infringement [Member] Effexor [Member] Teva Canada Limited Versus Pfizer Canada Inc. [Member] Pending Litigation [Member] CAD	Mar. 29, 2015 Damages from Product Defects [Member] Class Action Versus American Optical Corporation And Various Other Defendants [Member] Pending Litigation [Member] Claim	Mar. 29, 2015 Damages from Product Defects [Member] Reglan [Member] court state	Jan. 31, 2015 Violation Of Securities Law, Failure to Disclose Material Information [Member] U.S. District Court For The Southern District Of New York Versus Pfizer And Several Of Our Current And Former Officers [Member] Settled Litigation [Member] USD ($)	Apr. 30, 2014 Sales And Marketing Inconsistent with Patent [Member] Neurontin [Member] Class Action Versus Pfizer Inc. [Member] Settled Litigation [Member] USD ($)	Mar. 29, 2015 Average Wholesale Price [Member] State Governments Versus Pfizer, Pfizer Subsidiaries and Other Pharmaceutical Manufacturers [Member] Pending Litigation [Member] Actions	Mar. 31, 2013 Environmental Remediation Litigation [Member] lagoon	Dec. 31, 2009 Product Pricing [Member] Protonix / Pantoprazole [Member] U.S. Department of Justice Versus Pfizer [Member] Actions
Loss Contingencies [Line Items]
Number of patents				1
Litigation settlement, expense	$ 50.0	$ 620.0			52.5			$ 400.0
Loss contingency, damages awarded, value			125
Loss contingency, pending claims, number						59,000
Litigation settlement, amount									$ 325
Number of federal and state courts which have rejected theory of liability (more than)							100
Number of states which are applying the theory of liability							30
Number of actions										2		2
Feasibility Study, Number Of Lagoons											2