Post-Employment Benefits (Details) - AbbVie sponsored plans - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Post-Employment Benefits
Contribution by employer			$ 150	$ 370
Defined benefit plans
Post-Employment Benefits
Service cost	$ 57	$ 44	171	131
Interest cost	54	55	164	164
Expected return on plan assets	(81)	(75)	(244)	(226)
Amortization of actuarial losses (gains) and prior service costs	31	16	95	50
Net periodic benefit cost	61	40	186	119
Other post-employment plans
Post-Employment Benefits
Service cost	7	7	19	17
Interest cost	6	6	18	17
Amortization of actuarial losses (gains) and prior service costs		(1)	1	(3)
Net periodic benefit cost	$ 13	$ 12	$ 38	$ 31