Stockholders' Equity

12 Months Ended

Dec. 31, 2020

Stockholders' Equity Attributable to Parent [Abstract]

Stockholders' Equity

Zoetis is authorized to issue 6 billion shares of common stock and 1 billion shares of preferred stock.

In December 2016, the company's Board of Directors authorized a $1.5 billion share repurchase program. This program was completed as of December 31, 2019. In December 2018, the company's Board of Directors authorized an additional $2.0 billion share repurchase program. As of December 31, 2020, there was approximately $1.4 billion remaining under this authorization. Purchases of Zoetis shares may be made at the discretion of management, depending on market conditions and business needs. The company temporarily suspended share repurchases beginning in the second quarter of 2020. In January 2021, the company resumed share repurchases under its share repurchase program.

Accumulated other comprehensive loss

Changes, net of tax, in accumulated other comprehensive loss, excluding noncontrolling interest, follow:

			Currency Translation Adjustments				Benefit Plans		Accumulated Other
	Cash Flow		Net Investment		Other Currency		Actuarial		Comprehensive
(MILLIONS OF DOLLARS)	Hedges		Hedges		Translation Adj		(Losses)/Gains		Loss
Balance, December 31, 2017	$	(3)	$	—	$	(487)	$	(15)	$	(505)
Other comprehensive (loss)/gain, net of tax	(1)		9		(133)		1		(124)
Balance, December 31, 2018	(4)		9		(620)		(14)		(629)
Other comprehensive gain/(loss), net of tax	4		12		(104)		(9)		(97)
Balance, December 31, 2019	—		21		(724)		(23)		(726)
Other comprehensive (loss)/gain, net of tax	(15)		(58)		69		—		(4)
Balance, December 31, 2020	$	(15)	$	(37)	$	(655)	$	(23)	$	(730)