v2.3.0.11
Commitments and Contingencies (Schedule of Warranty Reserve Liability) (Details) (USD $)
In Millions
6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Commitments and Contingencies    
Current best estimate of probable liabilities related to government investigation $ 3  
Maximum future payment obligation of the guaranteed value and associated liabilities 2  
Beginning balance at January 1 6 5
Provisions for warranties issued 6 6
Settlements (in cash or kind) (6) (6)
Balance at June 30 $ 6 $ 5