CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
Revenues		$ 8,080	$ 7,776	$ 6,675
Costs and expenses:
Cost of Sales	[1]	2,454	2,303	2,057
Selling, general and administrative expenses	[1]	2,009	2,001	1,726
Research and development expenses	[1]	539	508	463
Amortization of intangible assets		150	161	160
Total Restructuring charges and certain acquisition-related costs		11	43	25
Interest expense, net of capitalized interest		221	224	231
Other (income)/deductions––net		40	48	17
Income before provision for taxes on income	[2]	2,656	2,488	1,996
Provision for taxes on income		545	454	360
Net income before allocation to noncontrolling interests		2,111	2,034	1,636
Less: Net loss attributable to noncontrolling interests		(3)	(3)	(2)
Net income attributable to Zoetis Inc.		$ 2,114	$ 2,037	$ 1,638
Earnings per share attributable to Zoetis Inc. stockholders:
Basic (in dollars per share)		$ 4.51	$ 4.29	$ 3.44
Diluted (in dollars per share)		$ 4.49	$ 4.27	$ 3.42
Weighted-average common shares outstanding:
Basic (in shares)		468,891	474,348	475,502
Diluted (in shares)		470,385	476,717	478,569
Dividends declared per common share		$ 1.350	$ 1.075	$ 0.850

[1] Exclusive of amortization of intangible assets, except as disclosed in Note 3. Significant Accounting Policies—Amortization of Intangible Assets, Depreciation and Certain Long-Lived Assets.

[2] Defined as income before provision for taxes on income.