CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Net income before allocation to noncontrolling interests	$ 594	$ 558
Other comprehensive income, net of tax(a):
Foreign currency translation adjustments	21	33
Benefit plans: Actuarial gain, net of tax(b)	1	0
Other comprehensive income, net of tax	60	97
Comprehensive income before allocation to noncontrolling interests	654	655
Less: Comprehensive loss attributable to noncontrolling interests	(1)	(1)
Comprehensive income attributable to Zoetis Inc.	655	656
Cash Flow Hedging
Other comprehensive income, net of tax(a):
Unrealized gains on derivatives for cash flow hedges, net and net investment hedges	26	39
Net Investment Hedging
Other comprehensive income, net of tax(a):
Unrealized gains on derivatives for cash flow hedges, net and net investment hedges	$ 12	$ 25