v2.4.0.8
Derivative Financial Instruments (Details 1) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Derivative Financial Instruments        
Amount of gain (loss) recognized in OCI on derivative $ 0 $ (2) $ (2) [1] $ 2 [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] (1) [1]
Foreign Exchange Contract
       
Derivative Financial Instruments        
Amount of gain (loss) recognized in OCI on derivative 0 [1] (2) [1]    
Amount of (gain) loss reclassified from OCI into revenue 0 [1] 0 [1]    
Amount of gain (loss) reclassified from OCI into cost of revenue $ 0 [1] $ (1) [1]    
[1] Effective portion