Foreign Currency Forward Contracts Activity (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013
Balance Sheet Hedges | Not Designated as Hedging Instrument
Derivative [Line Items]
Beginning Fair Value	$ (5,000,000)
Settlement	17,000,000
Gain (loss) recorded in other income, net	(12,000,000)
Gain (loss) recorded in other comprehensive income
Forecasted Revenue Hedges | Not Designated as Hedging Instrument
Derivative [Line Items]
Gain (loss) recorded in other comprehensive income
Cash Flow Hedges | Designated as Hedging Instrument
Derivative [Line Items]
Settlement	(2,000,000)
Gain (loss) recorded in other income, net	1,000,000
Gain (loss) recorded in other comprehensive income, net	2,000,000	[1]
Gain (loss) recorded in revenue	3,000,000	[2]
Ending Fair Value	4,000,000
Net Investment Hedging | Designated as Hedging Instrument
Derivative [Line Items]
Beginning Fair Value	3,000,000
Settlement	(304,000,000)
Gain (loss) recorded in other comprehensive income	510,000,000	[3]
Ending Fair Value	$ 209,000,000

[1] This amount does not reflect the tax impact of less than $1 million recorded during the twelve months ended December 31, 2013. The less than $1 million tax impact of the gain was included in accumulated other comprehensive income on the Company's consolidated balance sheets.

[2] This amount does not reflect the tax impact of $1 million recorded during the twelve months ended December 31, 2013. The $2 million after tax impact was included the consolidated statements of income.

[3] This amount does not reflect the tax impact of $193 million recorded during the twelve months ended December 31, 2013. The $317 million after tax impact of the gain recorded under other comprehensive income was included in accumulated other comprehensive income on the Company's consolidated balance sheets.