v2.4.0.6
Separation Costs (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Separation Costs [Abstract]    
Advisory fees and other $ 0 $ 3
Rebranding and marketing costs 0 2
Information and technology costs 1 0
Total separation costs in operating income 1 5
Income tax (benefit) expense 0 (1)
Total separation costs, net of tax $ 1 $ 4