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Goodwill and Acquired Intangible Assets - Goodwill by Operating Segment (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Goodwill [Roll Forward]
Goodwill Balance at December 31, 2014			$ 948
Adjustments			(3)
Currency Translation Adjustments			(15)
Impairment	$ (340)	$ 0	(340)	$ 0
Goodwill Balance at June 30, 2015	590		590
Data and Analytics
Goodwill [Roll Forward]
Goodwill Balance at December 31, 2014			351
Adjustments			(3)
Currency Translation Adjustments			(4)
Impairment			0
Goodwill Balance at June 30, 2015	344		344
Marketing Applications
Goodwill [Roll Forward]
Goodwill Balance at December 31, 2014			597
Adjustments			0
Currency Translation Adjustments			(11)
Impairment	(340)		(340)
Goodwill Balance at June 30, 2015	$ 246		$ 246

X

- 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

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-Publisher FASB



-Name Accounting Standards Codification



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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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