CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (UNAUDITED) - USD ($) $ in Millions	Total	Common Stock	Treasury Stock	Treasury Stock Share Repurchase Program	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Equity Attributable to Noncontrolling Interests
Beginning balance (in shares) at Dec. 31, 2020		501,900,000
Beginning balance at Dec. 31, 2020	$ 3,773	$ 5	$ (2,230)		$ 1,065	$ 5,659	$ (730)	$ 4
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	558					559		(1)
Other comprehensive income, net of tax	97						97
Treasury stock, beginning balance (in shares) at Dec. 31, 2020			26,600,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock acquired, shares			(1,100,000)	(800,000)
Share-based compensation awards	(37)		$ (1)		(36)	0
Treasury stock acquired	(181)		(181)
Employee benefit plan contribution from Pfizer Inc.	1				1
Dividends, Common Stock	(119)					(119)
Ending balance (in shares) at Mar. 31, 2021		501,900,000
Ending balance at Mar. 31, 2021	$ 4,092	$ 5	$ (2,412)		1,030	6,099	(633)	3
Treasury stock, ending balance (in shares) at Mar. 31, 2021			26,900,000
Beginning balance (in shares) at Dec. 31, 2021	501,891,243	501,900,000
Beginning balance at Dec. 31, 2021	$ 4,544	$ 5	$ (2,952)		1,068	7,186	(764)	1
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	594					595		(1)
Other comprehensive income, net of tax	$ 60						60
Treasury stock, beginning balance (in shares) at Dec. 31, 2021	29,317,153		29,300,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock acquired, shares			(1,900,000)	(500,000)
Share-based compensation awards	$ (27)		$ (4)		(23)
Treasury stock acquired	(361)		(361)
Employee benefit plan contribution from Pfizer Inc.	1				1
Dividends, Common Stock	$ (153)					(153)
Ending balance (in shares) at Mar. 31, 2022	501,891,243	501,900,000
Ending balance at Mar. 31, 2022	$ 4,658	$ 5	$ (3,317)		$ 1,046	$ 7,628	$ (704)	$ 0
Treasury stock, ending balance (in shares) at Mar. 31, 2022	30,682,440		30,700,000