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Fourth Quarter Financial Results (unaudited) (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 12 Months Ended
Oct. 26, 2023
Sep. 08, 2023
Jun. 22, 2023
Feb. 16, 2023
Oct. 28, 2022
Sep. 09, 2022
Jun. 23, 2022
Feb. 17, 2022
Oct. 29, 2021
Sep. 10, 2021
Jun. 17, 2021
Feb. 18, 2021
Dec. 31, 2023
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Quarterly Financial Information Disclosure [Abstract]                                
Net revenues                         $ 14,301 $ 54,318 $ 58,054 $ 56,197
Gross margin                         8,597      
Net earnings attributable to AbbVie Inc.                         $ 822 $ 4,863 $ 11,836 $ 11,542
Basic earnings per share (in dollars per share)                         $ 0.46 $ 2.73 $ 6.65 $ 6.48
Diluted earnings per share (in dollars per share)                         0.46 2.72 6.63 6.45
Cash dividends declared per common share (in dollars per share) $ 1.55 $ 1.48 $ 1.48 $ 1.48 $ 1.48 $ 1.41 $ 1.41 $ 1.41 $ 1.41 $ 1.30 $ 1.30 $ 1.30 $ 1.55 $ 5.99 $ 5.71 $ 5.31