Financial Instruments, Derivatives and Fair Value Measures (Details 3) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Fair value, asset and liability measures
Long-term Investment Securities	$ 130	$ 119
Equity securities
Fair value, asset and liability measures
Long-term Investment Securities	95	93
Carrying value
Fair value, asset and liability measures
Total long-term debt	(3,412)	(3,397)
Foreign currency forward exchange contracts, receivable position	71	84
Foreign currency forward exchange contracts, (payable) position	(24)	(75)
Interest rate hedge contracts, receivable position	106	87
Carrying value | Equity securities
Fair value, asset and liability measures
Long-term Investment Securities	95	93
Carrying value | Other
Fair value, asset and liability measures
Long-term Investment Securities	35	26
Fair value
Fair value, asset and liability measures
Total long-term debt	(4,033)	(3,930)
Foreign currency forward exchange contracts, receivable position	71	84
Foreign currency forward exchange contracts, (payable) position	(24)	(75)
Interest rate hedge contracts, receivable position	106	87
Fair value | Equity securities
Fair value, asset and liability measures
Long-term Investment Securities	95	93
Fair value | Other
Fair value, asset and liability measures
Long-term Investment Securities	$ 31	$ 24