Financial Instruments (Details 3) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2014	Dec. 31, 2013
Financial Instruments:
Derivative instruments with credit-risk related contingent features	$ 201	$ 216
Collateral posted on derivative instruments	0	0
Fair Values of Derivative Instruments
Fair value of total derivative instruments, Assets	678	719
Fair value of total derivative liabilities and debt	6,557	6,802
Maximum spread on credit default swap agreements before full overnight collateralization is required	2.50%
Liabilities included in master netting arrangements	221	251
Cash collateral received, derivatives	23	29
Net exposure related to derivative assets recorded in the Statement of Financial Position	434	439
Net amount related to derivative liabilities recorded in the Statement of Financial Position	220	250
Non-cash collateral received	0	0
Cash collateral rehypothecated	0	0
Designated as hedging instruments
Fair Values of Derivative Instruments
Fair value of total derivative instruments, Assets	528	522
Fair value of total derivative instruments, Liabilities	337	456
Derivative instruments not designated as hedging instruments
Fair Values of Derivative Instruments
Fair value of total derivative instruments, Assets	151	197
Fair value of total derivative instruments, Liabilities	104	45
Other receivables
Fair Values of Derivative Instruments
Cash collateral issued, derivatives	0	0
Accounts payable
Fair Values of Derivative Instruments
Cash collateral received, derivatives	23	29
Prepaid expenses and other current assets \| Foreign exchange contracts \| Designated as hedging instruments
Fair Values of Derivative Instruments
Fair value of total derivative instruments, Assets	110	187
Prepaid expenses and other current assets \| Foreign exchange contracts \| Derivative instruments not designated as hedging instruments
Fair Values of Derivative Instruments
Fair value of total derivative instruments, Assets	74	94
Prepaid expenses and other current assets \| Equity contracts \| Derivative instruments not designated as hedging instruments
Fair Values of Derivative Instruments
Fair value of total derivative instruments, Assets	17	36
Investments and sundry assets \| Interest rate contracts \| Designated as hedging instruments
Fair Values of Derivative Instruments
Fair value of total derivative instruments, Assets	363	308
Investments and sundry assets \| Foreign exchange contracts \| Designated as hedging instruments
Fair Values of Derivative Instruments
Fair value of total derivative instruments, Assets	54	26
Investments and sundry assets \| Foreign exchange contracts \| Derivative instruments not designated as hedging instruments
Fair Values of Derivative Instruments
Fair value of total derivative instruments, Assets	59	67
Other accrued expenses and liabilities \| Interest rate contracts \| Designated as hedging instruments
Fair Values of Derivative Instruments
Fair value of total derivative instruments, Liabilities		0
Other accrued expenses and liabilities \| Foreign exchange contracts \| Designated as hedging instruments
Fair Values of Derivative Instruments
Fair value of total derivative instruments, Liabilities	270	331
Other accrued expenses and liabilities \| Foreign exchange contracts \| Derivative instruments not designated as hedging instruments
Fair Values of Derivative Instruments
Fair value of total derivative instruments, Liabilities	98	40
Other accrued expenses and liabilities \| Equity contracts \| Derivative instruments not designated as hedging instruments
Fair Values of Derivative Instruments
Fair value of total derivative instruments, Liabilities	2	4
Other liabilities \| Interest rate contracts \| Designated as hedging instruments
Fair Values of Derivative Instruments
Fair value of total derivative instruments, Liabilities	12	13
Other liabilities \| Foreign exchange contracts \| Designated as hedging instruments
Fair Values of Derivative Instruments
Fair value of total derivative instruments, Liabilities	55	112
Other liabilities \| Foreign exchange contracts \| Derivative instruments not designated as hedging instruments
Fair Values of Derivative Instruments
Fair value of total derivative instruments, Liabilities	4	1
Long term debt \| Designated as hedging instruments \| Net investment hedge
Fair Values of Derivative Instruments
Debt designated as hedging instrument	6,116	6,111
Short term debt \| Designated as hedging instruments \| Net investment hedge
Fair Values of Derivative Instruments
Debt designated as hedging instrument		$ 190

This item represents the amount of cash collateral rehypothecated as of the balance sheet date.

No definition available.

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

- Definition

The credit default swap spread which, if exceeded, would trigger contingent features of these agreements.

+ References

No definition available.

+ Details

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- Definition

The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4H

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624258-113959

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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

+ Details

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- Definition

Fair value, after the 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 not subject to a master netting arrangement and not elected to be offset.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

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-Publisher FASB

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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-Paragraph 3

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-Publisher FASB

-Name Accounting Standards Codification

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-Topic 210

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-URI http://asc.fasb.org/extlink&oid=28370219&loc=SL20226008-175313

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

- Definition

Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

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-Paragraph 13

-URI http://asc.fasb.org/extlink&oid=28370219&loc=SL20226016-175313

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-Topic 210

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-Subparagraph (d)(2)

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-Publisher FASB

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-SubTopic 10

-Section 50

-Paragraph 8

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41678-113959

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of obligation to return securities collateral under master netting arrangements that have not been offset against derivative assets.

+ References

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Balance Type:	credit
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- Definition

Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities.

+ References

+ Details

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- Definition

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.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 55

-Paragraph 7

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-Paragraph 4B

-Subparagraph (a),(c)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959

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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.

+ References

+ Details

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- Definition

Fair value of 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, elected not to be offset against a right to receive collateral under a master netting arrangement.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 20

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- Definition

Fair value, after the 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 assets not subject to a master netting arrangement and not elected to be offset.

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The aggregate fair value amounts of derivative instruments that contain credit-risk-related contingent features that are in a net liability position at the end of the reporting period. For nonderivative instruments that are designated and qualify as hedging instruments, the fair value amounts are the carrying value of the nonderivative hedging instrument, including the adjustment for the foreign currency transaction gain (loss) on that instrument.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4H

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624258-113959

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- Details

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- Definition

Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities.

+ References

No definition available.

+ Details

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