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Revenue by Product and Services (Detail) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Segment Reporting Information                      
Products (software and hardware)                 $ 1,230 [1] $ 1,297 [1] $ 1,122 [1]
Consulting services                 818 776 695
Maintenance services                 644 592 545
Total services                 1,462 1,368 1,240
Total revenue $ 769 $ 666 $ 670 $ 587 $ 740 $ 647 $ 665 $ 613 $ 2,692 $ 2,665 $ 2,362
[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.