v2.4.0.6
Derivative Financial Instruments (Details 1) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Derivative Financial Instruments    
Amount of gain (loss) recognized in OCI on derivative $ (2) $ 4
Amount of gain (loss) reclassified from OCI into cost of revenue (1) 0
Foreign Exchange Contract
   
Derivative Financial Instruments    
Amount of gain (loss) recognized in OCI on derivative (2) [1] 4 [1]
Amount of (gain) loss reclassified from OCI into revenue (1) [1] 0 [1]
Amount of gain (loss) reclassified from OCI into cost of revenue $ 0 [1] $ 0 [1]
[1] Effective portion