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Segment and Other Supplemental Information - Regional Segment Revenue and Gross Margin for Company (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Segment Reporting Information
Revenue	$ 544	$ 513	$ 1,050	$ 1,004
Gross profit	250	242	473	467
Stock-based compensation costs	4	4	8	7
Acquisition, integration, reorganization and transformation-related costs	0	1	3	3
Amortization of capitalized software costs	12	19	27	40
Selling, general and administrative expenses	163	165	315	320
Research and development expenses	77	78	152	148
Income (loss) from operations	10	(1)	6	(1)
Americas
Segment Reporting Information
Revenue	287	271	551	538
International
Segment Reporting Information
Revenue	257	242	499	466
Operating Segments
Segment Reporting Information
Gross profit	266	266	511	517
Operating Segments | Americas
Segment Reporting Information
Gross profit	154	158	301	309
Operating Segments | International
Segment Reporting Information
Gross profit	$ 112	$ 108	$ 210	$ 208

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Amount of expense for amortization of capitalized computer software costs.

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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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