Acquisition Integration and Reorganization Costs

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Amortization of Intangible Assets, Due to Acquisition

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Segment Gross Profit

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount of expense for amortization of capitalized computer software costs.

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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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The net result for the period of deducting operating expenses from operating revenues.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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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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The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

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Segment, Other Supplemental Information and Concentrations - Regional Segment Revenue and Gross Margin for Company (Detail) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Segment Reporting Information [Line Items]
Revenue	$ 626	$ 526	$ 513	$ 491	$ 626	$ 552	$ 599	$ 545	$ 2,156	$ 2,322	$ 2,530
Gross margin	306	250	242	224	315	294	310	269
Segment Gross Profit									1,110	1,275	1,386
Stock-based compensation expense									13	14	13
Amortization of acquisition-related intangible assets									1	2	16
Acquisition, integration and reorganization-related costs									6	9	11
Amortization of capitalized software costs									68	62	70
Selling, general and administrative expenses									652	664	765
Research and development expenses									306	212	228
Impairment of goodwill, acquired intangibles and other assets									0	80	478
Income (loss) from operations	$ 59	$ 7	$ (1)	$ (1)	$ 98	$ 89	$ 87	$ (42)	64	232	(195)
Americas Data and Analytics
Segment Reporting Information [Line Items]
Revenue									1,195	1,334	1,470
Gross margin									676	796	871
International Data and Analytics
Segment Reporting Information [Line Items]
Revenue									961	919	907
Gross margin									434	445	452
Data and Analytics
Segment Reporting Information [Line Items]
Revenue									2,156	2,253	2,377
Gross margin									1,110	1,241	1,323
Marketing Applications
Segment Reporting Information [Line Items]
Revenue									0	69	153
Gross margin									$ 0	$ 34	$ 63