Borrowings - Schedule of Borrowings (Parenthetical) (Detail)	Mar. 31, 2014 4.2% Senior Notes, due December 2021	Dec. 31, 2012 4.2% Senior Notes, due December 2021	Dec. 09, 2011 4.2% Senior Notes, due December 2021	Mar. 31, 2014 4.5% Senior Notes, due December 2020	Dec. 31, 2012 4.5% Senior Notes, due December 2020	Dec. 06, 2010 4.5% Senior Notes, due December 2020	Mar. 31, 2014 2.58% Senior Euro Notes, due June 2015	Dec. 31, 2012 2.58% Senior Euro Notes, due June 2015
Debt Instrument [Line Items]
Stated interest rate	4.20%		4.20%	4.50%		4.50%	2.58%
Senior Notes, maturity date	2021-12	2021-12		2020-12	2020-12		2015-06	2015-06