Financial Instruments, Derivatives and Fair Value Measures (Details 3) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Fair value, asset and liability measures
Long-term Investment Securities	$ 229us-gaap_LongTermInvestments	$ 119us-gaap_LongTermInvestments
Foreign currency forward exchange contracts, receivable position	358	171
Foreign currency forward exchange contracts, (payable) position	(575)	(580)
Equity securities
Fair value, asset and liability measures
Long-term Investment Securities	212	93
Carrying value
Fair value, asset and liability measures
Total long-term debt	(3,463)	(3,397)
Foreign currency forward exchange contracts, receivable position	263	84
Foreign currency forward exchange contracts, (payable) position	(135)	(75)
Interest rate hedge contracts, receivable position	101	87
Carrying value \| Equity securities
Fair value, asset and liability measures
Long-term Investment Securities	212	93
Carrying value \| Other
Fair value, asset and liability measures
Long-term Investment Securities	17	26
Fair value
Fair value, asset and liability measures
Total long-term debt	(4,113)	(3,930)
Foreign currency forward exchange contracts, receivable position	263	84
Foreign currency forward exchange contracts, (payable) position	(135)	(75)
Interest rate hedge contracts, receivable position	101	87
Fair value \| Equity securities
Fair value, asset and liability measures
Long-term Investment Securities	212	93
Fair value \| Other
Fair value, asset and liability measures
Long-term Investment Securities	$ 17	$ 24

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 50

-Paragraph 3

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=34720828&loc=SL20225862-175312

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (a),(c)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624163-113959

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 55

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=36459792&loc=SL20226000-175313

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- Definition

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

+ References

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- Definition

Fair value as of the balance sheet date of all derivative assets designated as interest rate fair value hedging instruments.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624163-113959

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.12)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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