Borrowings (Short-Term Debt) (Details 1) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2015	Dec. 31, 2014
Borrowings
Commercial paper	$ 700	$ 650
Short-term loans	703	480
Long-term debt - current maturities	3,926	4,601
Short Term Debt	5,329	$ 5,731
Default provision on credit facility	$ 500
Debt Disclosure
Tangible assets ratio	10.00%
Commercial paper
Debt Disclosure
Weighted-average interest rates for short-term loans (as a percent)	0.10%	0.10%
Short-term loans
Debt Disclosure
Weighted-average interest rates for short-term loans (as a percent)	5.90%	4.00%
Minimum
Debt Disclosure
Net interest expense ratio	220.00%

A default of at least this amount on other indebtedness would trigger a default on the credit facility.

No definition available.

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Ratio of interest expense calculated by consolidated adjusted cash flow to Consolidated net interest expense. It should not be less than the specified ratio as defined in debt covenant.

+ References

No definition available.

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Ratio calculated by assets net of liabilities and intangible assets over sale leaseback transactions. It is defined in debt covenant to rstrict a company from entering into sale leaseback transactions if in excess of this specified ratio.

+ References

No definition available.

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- Definition

Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

+ 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 210.5-02.19(a)(3))

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-Section S99

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19

-Subparagraph a(3)

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Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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- Definition

Carrying amount at the balance sheet date of borrowings from a bank, not elsewhere enumerated in the taxonomy, with a maturity within one year (or within one operating cycle if longer) from the date of borrowing.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

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-Publisher SEC

-Name Regulation S-X (SX)

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-Section 02

-Paragraph 19

-Subparagraph a

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-Name Regulation S-X (SX)

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Weighted average interest rate of short-term debt outstanding.

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