Post-Employment Benefits (Details) (USD $)				3 Months Ended		9 Months Ended		0 Months Ended	3 Months Ended		9 Months Ended		0 Months Ended
	Sep. 30, 2013	Dec. 31, 2012	Jan. 02, 2013 AbbVie	Sep. 30, 2013 Defined Benefit Plans	Sep. 30, 2012 Defined Benefit Plans	Sep. 30, 2013 Defined Benefit Plans	Sep. 30, 2012 Defined Benefit Plans	Jan. 02, 2013 Defined Benefit Plans AbbVie	Sep. 30, 2013 Medical and Dental Plans	Sep. 30, 2012 Medical and Dental Plans	Sep. 30, 2013 Medical and Dental Plans	Sep. 30, 2012 Medical and Dental Plans	Jan. 02, 2013 Medical and Dental Plans AbbVie
Defined benefit plan net periodic benefit cost
Service cost - benefits earned during the period				$ 70,000,000	$ 57,000,000	$ 222,000,000	$ 175,000,000		$ 10,000,000	$ 8,000,000	$ 33,000,000	$ 24,000,000
Interest cost on projected benefit obligations				66,000,000	66,000,000	198,000,000	199,000,000		15,000,000	10,000,000	45,000,000	32,000,000
Expected return on plans' assets				(109,000,000)	(90,000,000)	(296,000,000)	(272,000,000)		(9,000,000)	(4,000,000)	(27,000,000)	(13,000,000)
Net amortization				41,000,000	33,000,000	123,000,000	106,000,000		(1,000,000)	(1,000,000)	(1,000,000)	(3,000,000)
Net cost				68,000,000	66,000,000	247,000,000	208,000,000		15,000,000	13,000,000	50,000,000	40,000,000
Domestic pension plans funded during the period						680,000,000	360,000,000				40,000,000	40,000,000
Net defined benefit obligation
Projected benefit obligations								4,534,000,000					472,000,000
Plans' assets								3,111,000,000
Net obligation transferred to AbbVie								1,423,000,000					472,000,000
Accumulated other comprehensive income (loss), net of income taxes transferred	$ (2,956,510,000)	$ (3,593,678,000)	$ 1,200,000,000