Business Acquisition Additional Equity Percentage

No definition available.

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- Definition

Business acquisition cost of acquired entity working capital adjustments

+ References

No definition available.

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- Definition

Business Combination Recognized Identifiable Assets Acquired Goodwill And Liabilities Assumed Net Include Working Capital Adjustments

+ References

No definition available.

+ Details

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)(3)

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- Definition

Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)(4)

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- Definition

Number of shares of equity interests issued or issuable to acquire entity.

+ References

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

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- Definition

Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

+ References

+ Details

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- Definition

Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

+ References

+ Details

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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-Topic 210

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-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

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-Publisher SEC

-Name Regulation S-X (SX)

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- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, resulting from a business combination.

+ References

No definition available.

+ Details

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ 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

Amount of expense (income) related to the increase (decrease) in reserve for business combination costs. Includes, but is not limited to, legal, accounting, and other costs incurred to consummate the merger.

+ References

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- Definition

Disclosure of each detailed component of other operating costs and expenses that are applicable to sales and revenues, but not included in the cost of sales in the Income Statement.

+ References

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-Publisher FASB

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-Topic 225

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-Subparagraph (SX 210.5-03.3)

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

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- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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-Glossary Financing Activities

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Acquisitions and Divestitures (Narrative) (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended			3 Months Ended	1 Months Ended		3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended		0 Months Ended				0 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Apr. 30, 2013	Mar. 31, 2014 3.875% senior unsecured notes due June 7, 2021 [Member]	Jun. 30, 2013 2011 Credit Facility [Member]	Sep. 30, 2011 2011 Credit Facility [Member]	Mar. 31, 2014 Customer relationships [Member]	Dec. 31, 2013 Customer relationships [Member]	Mar. 31, 2014 Technology [Member]	Dec. 31, 2013 Technology [Member]	Mar. 31, 2014 BWise [Member]	May 31, 2013 TR Businesses [Member]	May 31, 2013 TR Businesses [Member] Customer relationships [Member]	May 31, 2013 TR Businesses [Member] Technology [Member]	Apr. 30, 2013 TOM [Member]	Jun. 28, 2013 eSpeed [Member]	Jun. 28, 2013 eSpeed [Member] Customer relationships [Member]	Jun. 28, 2013 eSpeed [Member] Technology [Member]	Jun. 28, 2013 eSpeed [Member] Trade Names [Member]
Business Acquisition [Line Items]
Purchase consideration												$ 366				$ 1,239
Net assets acquired												(37)				5
Purchased Intangible Assets												91				715	121	16	578
Percentage of acquired ownership interest											28.00%				25.00%	100.00%
Purchase consideration includes working capital adjustments												390
Business acquisition, cash paid												366				755
Business acquisition, working capital adjustments												24
Finite-lived Intangible Assets Acquired												91	89	2
Contingent future issuance of common stock, amount																484
Contingent future issuance of common stock, shares																992,247
Debt instrument, interest rate				3.875%
Debt Instrument Maturity Date				Jun. 07, 2021		Sep. 19, 2016
Acquired Finite Lived Intangible Assets Weighted Average Useful Life							19 years	19 years	5 years	5 years
Purchased goodwill	6,173	6,186										312				519
Option to acquire additional ownership percentage			25.10%
Noncash Merger Related Costs	18
Other Cost and Expense Disclosure, Operating	$8
Credit facility, additional borrowings					$ 25