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Revenue by Product and Services (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Segment Reporting Information        
Products (software and hardware) $ 300 [1] $ 303 [1] $ 573 [1] $ 552 [1]
Consulting services 203 207 392 393
Maintenance services 173 160 339 312
Total services 376 367 731 705
Total revenue $ 676 $ 670 $ 1,304 $ 1,257
[1] Our analytic database software and hardware products are often sold and delivered together in the form of a "node" of capacity as an integrated technology solution. Accordingly, it is impracticable to provide the breakdown of revenue from various types of software and hardware products.