CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (UNAUDITED) - USD ($) $ in Millions		Total	Common Stock		Treasury Stock		Treasury Stock Share Repurchase Program	[3]	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Equity Attributable to Noncontrolling Interests
Beginning balance (in shares) at Dec. 31, 2023	[1]		501,900,000
Beginning balance at Dec. 31, 2023		$ 4,991	$ 5		$ (5,597)				$ 1,133	$ 10,295	$ (839)	$ (6)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest		599								599		0
Other comprehensive loss, net of tax		(2)									(2)
Treasury stock, beginning balance (in shares) at Dec. 31, 2023	[1]				43,500,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock acquired, shares	[1]				1,800,000	[2]	400,000
Share-based compensation awards	[3]	4			$ 11				(7)	0
Treasury stock acquired	[2]	(342)			(342)
Dividends, Common Stock		(198)								(198)
Ending balance (in shares) at Mar. 31, 2024	[1]		501,900,000
Ending balance at Mar. 31, 2024		$ 5,052	$ 5		$ (5,928)				1,126	10,696	(841)	(6)
Treasury stock, ending balance (in shares) at Mar. 31, 2024	[1]				44,900,000
Beginning balance (in shares) at Dec. 31, 2024		501,891,243	501,900,000	[1]
Beginning balance at Dec. 31, 2024		$ 4,770	$ 5		$ (7,445)				1,182	11,968	(940)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest		631								631		0
Other comprehensive loss, net of tax		$ (77)									(77)
Treasury stock, beginning balance (in shares) at Dec. 31, 2024		53,418,170			53,400,000	[1]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock acquired, shares	[1]				2,700,000	[2]	300,000
Share-based compensation awards	[3]	$ 2			$ 4				(2)	0
Treasury stock acquired	[2]	(447)			(447)
Dividends, Common Stock		$ (224)								(224)
Ending balance (in shares) at Mar. 31, 2025		501,891,243	501,900,000	[1]
Ending balance at Mar. 31, 2025		$ 4,655	$ 5		$ (7,888)				$ 1,180	$ 12,375	$ (1,017)	$ 0
Treasury stock, ending balance (in shares) at Mar. 31, 2025		55,851,038			55,800,000	[1]

[1] Shares may not add due to rounding.

[2] Reflects the acquisition of treasury shares in connection with the share repurchase program and includes excise tax accrued on net share repurchases. For additional information, see Note 13. Stockholders’ Equity.

[3] Includes the issuance of shares of Zoetis Inc. common stock and the reacquisition of shares of treasury stock associated with exercises of employee share-based awards. Also includes the reacquisition of shares of treasury stock associated with the vesting of employee share-based awards to satisfy tax withholding requirements. For additional information, see Note 12. Share-based Payments and Note 13. Stockholders’ Equity.