Collaborations (Tables)

6 Months Ended

Jun. 30, 2013

Schedule of Collaborative Arrangements and Non-collaborative Arrangement Transactions [Table Text Block]

The following table summarizes the composition of our total revenue recognized from all transactions, including collaboration activity:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2013		2012		2013		2012
Net product sales	$	5,759.9	$	5,455.5	$	11,208.4	$	10,869.3
Collaboration and other revenue	169.8		145.2		323.3		333.4
Total revenue	$	5,929.7	$	5,600.7	$	11,531.7	$	11,202.7

Erbitux [Member]

Schedule of Collaborative Arrangements and Non-collaborative Arrangement Transactions [Table Text Block]

The following table summarizes the revenue recognized with respect to Erbitux:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2013		2012		2013		2012
Net product sales	$	12.5	$	28.7	$	37.7	$	62.7
Collaboration and other revenue	79.3		81.4		148.9		160.6
Total revenue	$	91.8	$	110.1	$	186.6	$	223.3

Exenatide [Member]

Schedule of Collaborative Arrangements and Non-collaborative Arrangement Transactions [Table Text Block]

The following table summarizes the revenue and other income recognized with respect to exenatide: 

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2013		2012		2013		2012
Net product sales	$	21.0	$	53.1	$	85.1	$	101.6
Collaboration and other revenue	—		14.1		—		65.4
Total revenue	$	21.0	$	67.2	$	85.1	$	167.0
Income related to transfer of exenatide commercial rights (1)	$	—	$	—	$	495.4	$	—