Post-Employment Benefits (Details) - AbbVie sponsored plans - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Post-Employment Benefits
Contribution by employer			$ 150	$ 370
Defined benefit plans
Post-Employment Benefits
Service cost	$ 56	$ 44	114	87
Interest cost	54	54	110	109
Expected return on plan assets	(82)	(76)	(163)	(151)
Amortization of actuarial losses (gains) and prior service costs	30	17	64	34
Net periodic benefit cost	58	39	125	79
Other post-employment plans
Post-Employment Benefits
Service cost	6	5	12	10
Interest cost	6	5	12	11
Amortization of actuarial losses (gains) and prior service costs		(1)	1	(2)
Net periodic benefit cost	$ 12	$ 9	$ 25	$ 19