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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, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue | $ 588 | $ 526 | $ 544 | $ 506 | $ 626 | $ 526 | $ 513 | $ 491 | $ 2,164 | $ 2,156 | $ 2,322
Gross profit | 289 | 264 | 250 | 223 | 307 | 250 | 242 | 225 | 1,026 | 1,024 | 1,189
Total segment gross profit |  |  |  |  |  |  |  |  | 1,095 | 1,112 | 1,276
Stock-based compensation expense |  |  |  |  |  |  |  |  | 15 | 13 | 14
Amortization of acquisition-related intangible assets |  |  |  |  |  |  |  |  | 0 | 0 | 2
Acquisition, integration and reorganization-related costs |  |  |  |  |  |  |  |  | 5 | 4 | 9
Amortization of capitalized software costs |  |  |  |  |  |  |  |  | 49 | 71 | 62
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 666 | 651 | 662
Research and development expenses |  |  |  |  |  |  |  |  | 317 | 305 | 212
Impairment of goodwill, acquired intangibles and other assets |  |  |  |  |  |  |  |  | 0 | 0 | 80
Income from operations | $ 23 | $ 14 | $ 10 | $ (4) | $ 60 | $ 9 | $ (1) | $ 0 | 43 | 68 | 235
Americas |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 1,126 | 1,195 | 1,334
Gross profit |  |  |  |  |  |  |  |  | 621 | 675 | 797
International |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 1,038 | 961 | 919
Gross profit |  |  |  |  |  |  |  |  | 474 | 437 | 445
Total Data and Analytics |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 2,164 | 2,156 | 2,253
Gross profit |  |  |  |  |  |  |  |  | 1,095 | 1,112 | 1,242
Marketing Applications |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 0 | 0 | 69
Gross profit |  |  |  |  |  |  |  |  | $ 0 | $ 0 | $ 34

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