Annual report pursuant to Section 13 and 15(d)

Commitments And Contingencies detail (Details)

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Commitments And Contingencies detail (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Commitments and Contingencies [Abstract]      
Operating Leases, Future Minimum Payments Due, Current $ 48    
Operating Leases, Rent Expense, Net 65 56 46
Operating Leases, Future Minimum Payments, Due in Two Years 43    
Operating Leases, Future Minimum Payments, Due in Three Years 45    
Operating Leases, Future Minimum Payments, Due in Four Years 41    
Operating Leases, Future Minimum Payments, Due in Five Years 37    
Operating Leases, Future Minimum Payments, Due Thereafter $ 282