Increase (decrease) in total assets

No definition available.

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- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275

+ Details

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- Definition

Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

+ References

+ Details

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- Definition

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

+ References

No definition available.

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- Definition

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.

+ References

No definition available.

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Business Segments (Narrative) (Details) $ in Millions		12 Months Ended
Business Segments (Narrative) (Details) $ in Millions	Jan. 30, 2017 USD ($)	Dec. 31, 2016 USD ($) segment	Dec. 31, 2015 USD ($)
Segment Reporting Information [Line Items]
Number of business segments \| segment		4
Increase (decrease) in total assets		$ 2,289	$ (210)
Rebranding of Trade Name
Segment Reporting Information [Line Items]
Non-cash intangible asset impairment charges		$ 578	$ 119
Trade name \| eSpeed \| Subsequent Event
Segment Reporting Information [Line Items]
Asset impairment charges	$ 578