Quarterly Financial Summary (Unaudited) Quarterly Financial Summary Footnote (Detail) (Antioxidant, Ibuprofen and Propofol Assets - Discontinued Operations, USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014
Antioxidant, Ibuprofen and Propofol Assets - Discontinued Operations
Loss on disposal of businesses, net of tax	$ (65.7)