Derivative Financial Instruments (Summary of Outstanding Economic Hedges) (Details) (Nondesignated [Member], USD $) In Millions	Sep. 30, 2011	Dec. 31, 2010
Non-U.S. Currency Contracts [Member]
Derivatives, Fair Value [Line Items]
Notional amount of other derivatives not designated as hedging instruments	$ 285	$ 371
Latest maturity date	December 2011	February 2011
Commodity Contracts [Member]
Derivatives, Fair Value [Line Items]
Notional amount of other derivatives not designated as hedging instruments	$ 59	$ 35
Latest maturity date	December 2012	October 2012

Aggregate notional amount of all derivatives not designated as a hedging instrument. The notional amount relates to a number of currency units, shares, bushels, pounds, or other units specified in a derivative instrument.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Notional Amount

-URI http://asc.fasb.org/extlink&oid=6519104

Name:	us-gaap_NotionalAmountOfOtherDerivativesNotDesignatedAsHedgingInstruments
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant