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Fourth Quarter Financial Results (unaudited) (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2024
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Dec. 31, 2023
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Dec. 31, 2022
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Quarterly Financial Information Disclosure [Abstract]                              
Net revenues $ 15,102                       $ 56,334 $ 54,318 $ 58,054
Gross margin 10,706                            
Net earnings attributable to AbbVie Inc. $ (22)                       $ 4,278 $ 4,863 $ 11,836
Basic earnings per share (in dollars per share) $ (0.02)                       $ 2.40 $ 2.73 $ 6.65
Diluted earnings per share (in dollars per share) (0.02)                       2.39 2.72 6.63
Cash dividends declared per common share (in dollars per share) $ 1.64 $ 1.55 $ 1.55 $ 1.55 $ 1.55 $ 1.48 $ 1.48 $ 1.48 $ 1.48 $ 1.41 $ 1.41 $ 1.41 $ 6.29 $ 5.99 $ 5.71