Benefit Plans Benefit Plans (Details) (USD $)	12 Months Ended								12 Months Ended									3 Months Ended	12 Months Ended					12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2013 Netherlands Benefit Plans	Dec. 31, 2012 Netherlands Benefit Plans	Dec. 31, 2013 U.S. Plan	Dec. 31, 2012 U.S. Plan	Dec. 31, 2011 U.S. Plan	Dec. 31, 2013 International Pension Plans [Member]	Dec. 31, 2012 International Pension Plans [Member]	Dec. 31, 2011 International Pension Plans [Member]	Dec. 31, 2013 Foreign Pension Plans, Defined Benefit in Austria, France, Greece, Italy, Mexico, South Africa, Taiwan, Thailand, and Other	Dec. 31, 2013 Foreign Pension Plans, Defined Benefit in the Netherlands, Germany, India, Korea, and Other	Dec. 31, 2013 International Pension Plans in Other Locations	Mar. 30, 2014 Foreign Pension Plans, Defined Benefit in the Netherlands	Dec. 31, 2013 Multi-employer Plan	Dec. 31, 2012 Multi-employer Plan	Dec. 31, 2011 Multi-employer Plan	Dec. 31, 2013 International Pension Plans Accounted for As Multi-employer Plans	Dec. 31, 2012 Pfizer U.S. Plan	Dec. 31, 2013 Pfizer Supplemental Saving Plan
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Amount of Service Credit Continuation to be Funded, Percentage										60.00%
Defined Benefit Plan, Amount of Service Credit Continuation to be Funded by Related Party, Percentage																							40.00%
Defined Benefit Plan, Amount of Service Credit Continuation to be Funded										$ 38,000,000
Defined Benefit Plan, Amount of Service Credit Continuation to be Funded by Related Party																							25,000,000
Employee benefit plan contribution from Pfizer Inc.(d)	23,000,000	[1]
Defined Benefit Plan, Amount of Service Credit Continuation, Payment Term									10 years
Defined Benefit Plan, Amount of Pension and Postretirement Benefit Expense for Certain US Employees									6,000,000
Pension and Other Postretirement Benefit Expense	15,000,000		61,000,000		64,000,000				4,000,000	17,000,000	17,000,000								7,000,000	6,000,000	5,000,000
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Projected Benefit Obligation															21,000,000		21,000,000
Defined Benefit Plan, Benefit Obligation	73,000,000		39,000,000		37,000,000											73,000,000
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Fair Value of Plan Assets	37,000,000		35,000,000													45,000,000
Dedicated Pension Plans, Settlement Charge for Contract Termination																		4,000,000
Defined Benefit Plan, Net Periodic Benefit Cost	4,000,000		2,000,000		3,000,000
Defined Benefit Plan, Actuarial Gain (Loss)	(2,000,000)	[2]	1,000,000	[2]	5,000,000	[2],[3]
Defined Benefit Plan, Future Amortization of Gain (Loss)	200,000
Defined Benefit Plan, Accumulated Other Comprehensive Income Net Gains (Losses), after Tax	10,000,000		5,000,000				4,000,000	3,000,000
Amortization Period For Defined Benefit Plan Gain Loss							12 years 4 months 24 days
Defined Benefit Plan, Contributions by Employer	0		2,000,000									2,000,000	2,000,000	2,000,000					6,000,000	6,000,000	6,000,000	7,000,000
Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year												1,000,000
Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months									4,000,000			39,000,000
Defined Benefit Plan, Expected Future Benefit Payments, Year Two									4,000,000			1,000,000
Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter									14,000,000			12,000,000
Defined Benefit Plan, Liabilities Transferred from Related Party																								14,000,000
Defined Benefit Plan, Cash Funding Transferred from Related Party																								9,000,000
Defined Benefit Plan, Deferred Tax Asset Transferred from Related Party																								5,000,000
Defined Contribution Plan, Employer Matching Contribution, Percent of Match	100.00%
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	5.00%
Defined Contribution Plan Minimum Annual Contributions Per Employee Percent	0
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent	8.00%
Defined Contribution Plan, Cost Recognized	35,000,000		20,000,000		18,000,000
Defined Benefit Plan, Expected Future Benefit Payments, Year Three									4,000,000			1,000,000
Defined Benefit Plan, Expected Future Benefit Payments, Year Four									4,000,000			1,000,000
Defined Benefit Plan, Expected Future Benefit Payments, Year Five									$ 4,000,000			$ 1,000,000

[1] Represents contributed capital from Pfizer Inc. associated with service credit continuation for certain Zoetis Inc. employees in Pfizer Inc.'s U.S. qualified defined benefit and U.S. retiree medical plans. See Note 14. Benefit Plans.

[2] Presented net of reclassification adjustments and tax impacts, which are not significant in any period presented. Reclassification adjustments related to benefit plans are generally reclassified, as part of net periodic pension cost, into Cost of sales, Selling, general and administrative expenses, and/or Research and development expenses, as appropriate, in the consolidated and combined statements of income.

[3] Includes impacts from acquisitions from the acquisition date, see Note 3. Basis of Presentation and Note 5. Acquisitions, Divestitures and Certain Investments.