Derivative Financial Instruments And Hedging Activities Derivatives Income (Losses) Recognized in Income (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Gain (Loss) on Interest Rate Derivative Instruments Not Designated as Hedging Instruments	$ (10)	[1]
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments	(16)	[2]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	$ (26)

[1] (a)Losses recognized in earnings are included in interest expense.

[2] (b)The losses for the three months ended March 31, 2014 are substantially offset by translation gains (included in operating expenses) related to the foreign currency-denominated loans described above.For the three months ended March 31, 2013, the effect of derivatives on the condensed consolidated statements of income and comprehensive income was insignificant.