v3.20.4
Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Basic EPS        
Net earnings attributable to AbbVie Inc. $ 36 [1] $ 4,616 $ 7,882 $ 5,687
Earnings allocated to participating securities   60 40 30
Earnings available to common shareholders   $ 4,556 $ 7,842 $ 5,657
Weighted-average basic shares outstanding (in shares)   1,667 1,481 1,541
Basic earnings per share (in dollars per share) $ 0.01 $ 2.73 $ 5.30 $ 3.67
Diluted EPS        
Net earnings attributable to AbbVie Inc. $ 36 [1] $ 4,616 $ 7,882 $ 5,687
Earnings allocated to participating securities   60 40 30
Earnings available to common shareholders   $ 4,556 $ 7,842 $ 5,657
Weighted-average basic shares outstanding (in shares)   1,667 1,481 1,541
Effect of dilutive securities (in shares)   6 3 5
Weighted-average diluted shares outstanding (in shares)   1,673 1,484 1,546
Diluted earnings per share (in dollars per share) $ 0.01 $ 2.72 $ 5.28 $ 3.66
[1] Fourth quarter results in 2020 included after-tax charges of $4.7 billion related to the change in fair value of contingent consideration liabilities partially offset by an after-tax benefit of $1.5 billion due to impacts related to tax law changes.