Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2021

Earnings Per Share [Abstract]

Schedule of basic and diluted earnings per share, impact of two-class method

The following table summarizes the impact of the two-class method:

	Years ended December 31,
(in millions, except per share data)	2021		2020		2019
Basic EPS
Net earnings attributable to AbbVie Inc.	$	11,542	$	4,616	$	7,882
Earnings allocated to participating securities	74		60		40
Earnings available to common shareholders	$	11,468	$	4,556	$	7,842
Weighted average basic shares of common stock outstanding	1,770		1,667		1,481
Basic earnings per share attributable to AbbVie Inc.	$	6.48	$	2.73	$	5.30
Diluted EPS
Net earnings attributable to AbbVie Inc.	$	11,542	$	4,616	$	7,882
Earnings allocated to participating securities	74		60		40
Earnings available to common shareholders	$	11,468	$	4,556	$	7,842
Weighted average shares of common stock outstanding	1,770		1,667		1,481
Effect of dilutive securities	7		6		3
Weighted average diluted shares of common stock outstanding	1,777		1,673		1,484
Diluted earnings per share attributable to AbbVie Inc.	$	6.45	$	2.72	$	5.28