Acquisitions - Fair Value of Company's Ordinary Shares Issued (Detail) - USD ($) $ / shares in Units, $ in Millions	Mar. 17, 2015	Mar. 16, 2015
Business Acquisition [Line Items]
Number of the Company’s shares issued (shares)	15,900,000
Care Fusion Corporation
Business Acquisition [Line Items]
Total CareFusion shares outstanding (shares)	205,300,000
Conversion factor	0.0777
Number of the Company’s shares issued (shares)	15,900,000
Closing price of the Company’s stock on March 16, 2015 (USD per share)		$ 142.29
Fair value of the Company’s issued shares	$ 2,269