v2.4.0.8
Commitments and Contingencies (Details) (USD $)
In Millions, unless otherwise specified
6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Warranties    
Warranty accrual - January 1 $ 40 $ 42
Net changes for product warranties in the period 17 15
Settlement of warranty claims (19) (16)
Standard Product Warranty Accrual Other (1) (1)
Warranty accrual - June 30 $ 37 $ 40