Acquisitions - Fair Value of Company's Ordinary Shares Issued (Detail) (CareFusion [Member], USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended
	Mar. 17, 2015	Mar. 17, 2015	Mar. 16, 2015
CareFusion [Member]
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Total CareFusion shares outstanding	205,300,000	205,300,000
Conversion factor	0.0777	0.0777
Number of the Company's shares issued	15,900,000
Closing price of the Company's stock on March 16, 2015			$ 142.29
Fair value of the Company's issued shares	$ 2,269