Organization and Summary of Significant Accounting Policies - Additional Information (Detail)

v2.4.0.8

Organization and Summary of Significant Accounting Policies - Additional Information (Detail) (Merck KGaA)	6 Months Ended
	Jun. 30, 2014
Merck KGaA
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Percentage share of eligible worldwide development expenses	70.00%