Draws on Credit Facility that are Designated as Net Investments in International Operations (Detail) In Millions, unless otherwise specified	12 Months Ended									12 Months Ended
	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2013 Canadian Dollars USD ($)		Dec. 31, 2012 Canadian Dollars USD ($)		Dec. 31, 2013 Canadian Dollars CAD		Dec. 31, 2013 Euros USD ($)	Dec. 31, 2012 Euros USD ($)	Dec. 31, 2013 Euros EUR (€)
Debt Instrument Designated As Hedges Of Net Investment In Foreign Operations [Line Items]
Balance Outstanding				$ 29	[1]			31	[1]	$ 102		€ 74
Foreign currency translation and other comprehensive income (loss) of unconsolidated affiliates	$ (18)	$ 20	$ (27)	$ 2	[1]	$ 0	[1]			$ (5)	$ (2)

[1] We have drawn an additional $71 million on the credit facility in Canadian dollars that has not been designated as a hedging instrument.