Significant Accounting Policies Significant Accounting Policies (Details) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	12 Months Ended						24 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2012
significant accounting policies [Line Items]
Income Tax Contingency Benefit Recognition Model Percent	50.00%
Advertising Expense	$ 143		$ 141		$ 134
Shipping, Handling and Transportation Costs	60		59		66
Capitalized Computer Software, Net	35		3				3
Capitalized Computer Software, Accumulated Amortization	2		2		2
Weighted-average common shares outstanding	500,002		500,000	[1]	500,000	[1],[2]	500,000
Accounts receivable, less allowance for doubtful accounts of $31 in 2013 and $49 in 2012	1,138	[3]	900	[3]			900	[3]
Other Receivables, Net, Current	65		43				43
Asset Retirement Obligation, Current	0.1		0.2				0.2
Asset Retirement Obligations, Noncurrent	12		15				15
Other Current Liabilities
significant accounting policies [Line Items]
Liability for purchases of Property, Plant and Equipment	16
Accruals for Sales Deductions	153		126				126
Accounts Payable
significant accounting policies [Line Items]
Liability for purchases of Property, Plant and Equipment			$ 14				$ 14
Maximum [Member] | Software Capitalization [Member]
significant accounting policies [Line Items]
Property, Plant and Equipment, Useful Life	10 years
Minimum | Software Capitalization [Member]
significant accounting policies [Line Items]
Property, Plant and Equipment, Useful Life	5 years

[1] The weighted average shares outstanding for both basic and diluted earnings per share for the years ended December 31, 2012 and 2011 was calculated using 500 million shares of common stock outstanding, which was the number of Zoetis Inc. shares outstanding at the time of the initial public offering, which was completed on February 6, 2013. There were no Zoetis restricted stock units, deferred stock units, stock options or performance shares outstanding prior to the initial public offering.

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

[3] The consolidated balance sheet as of December 31, 2013 has been prepared under a different basis of presentation than the combined balance sheet as of December 31, 2012, which significantly impacts comparability. See Note 3. Basis of Presentation.