Summary of Accounting Policies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Organization And Summary Of Significant Accounting Policies [Line Items]
Transaction Losses of Hedging Activities	$ 24	$ 37	$ 25
Trading Investments	194	194
Fixed Income Investments, held to maturity	363	245
Fixed Income Investments, held to maturity, 2015	51
Fixed Income Investments, held to maturity, 2016	23
Fixed Income Investments, held to maturity, 2017	51
Fixed Income Investments, held to maturity, 2018	238
Carrying value of marketable securities	81	81
Fair value of marketable securities	$ 257	$ 222
Employee stock options to purchase	12	21	14
Customer Relationships
Organization And Summary Of Significant Accounting Policies [Line Items]
Useful life of intangible asset minimum	15 years
Useful life of intangible asset maximum	28 years
Technology/Technical Know-How
Organization And Summary Of Significant Accounting Policies [Line Items]
Useful life of intangible asset minimum	10 years
Useful life of intangible asset maximum	18 years
Tradenames
Organization And Summary Of Significant Accounting Policies [Line Items]
Useful life of intangible asset minimum	15 years
Useful life of intangible asset maximum	30 years