Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net earnings	$ 11,549	$ 4,622	$ 7,882
Foreign currency translation adjustments, net of tax expense (benefit) of $(35) in 2021, $28 in 2020 and $(4) in 2019	(1,153)	1,511	(98)
Net investment hedging activities, net of tax expense (benefit) of $193 in 2021, $(221) in 2020 and $22 in 2019	699	(799)	74
Pension and post-employment benefits, net of tax expense (benefit) of $124 in 2021, $(47) in 2020 and $(323) in 2019	521	(102)	(1,243)
Marketable security activities, net of tax expense (benefit) of $— in 2021, $— in 2020 and $— in 2019	0	0	10
Cash flow hedging activities, net of tax expense (benefit) of $20 in 2021, $(23) in 2020 and $70 in 2019	151	(131)	141
Other comprehensive income (loss)	218	479	(1,116)
Comprehensive income	11,767	5,101	6,766
Comprehensive income attributable to noncontrolling interest	7	6	0
Comprehensive income attributable to AbbVie Inc.	$ 11,760	$ 5,095	$ 6,766