Financing Receivables (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013 agreement		Dec. 31, 2012 agreement
Financing Receivable Recorded Investment [Line Items]
Financing receivable	$ 184		$ 239
Derivative Assets, Gross	240		100
Number of Foninvemem Agreements	3
Foninvemem Agreement, collection period			10 years
Number of Foninvemem Agreements with active collections			2
Argentina
Financing Receivable Recorded Investment [Line Items]
Financing receivable	164	[1]	196	[1]
Argentina | Excluded From Financing Receivables
Financing Receivable Recorded Investment [Line Items]
Noncurrent receivables	122		120
Derivative Assets, Gross	97		69
Dominican Republic
Financing Receivable Recorded Investment [Line Items]
Financing receivable	2		35
Brazil
Financing Receivable Recorded Investment [Line Items]
Financing receivable	$ 18		$ 8

[1] Excludes noncurrent receivables of $122 million and $120 million, respectively, as of December 31, 2013 and 2012, which have not been converted into financing receivables and do not have contractual maturities of greater than one year. Also, excludes the foreign currency-related embedded derivative assets associated with the financing receivables which had a fair value of $97 million and $69 million, respectively, as of December 31, 2013 and 2012.