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Revenue by Product and Services (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Segment Reporting Information        
Products (software and hardware) $ 294 [1] $ 306 [1] $ 867 [1] $ 858 [1]
Consulting services 200 200 592 593
Maintenance services 173 160 512 472
Total services 373 360 1,104 1,065
Total revenue $ 667 $ 666 $ 1,971 $ 1,923
[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.