Annual report pursuant to Section 13 and 15(d)

Transactions with Related Parties (Details)

v2.4.0.6
Transactions with Related Parties (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Transactions with Related Parties [Abstract]    
Related Party Costs $ 12 $ 2