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Commitments And Contingencies Commitments and Contingencies (Tables)
 12 Months Ended
Dec. 31, 2013
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Rent Expense [Table Text Block]
A summary of lease expense is as follows (in millions): 
 
Years Ended December 31,
 
2013
 
2012
 
2011
Lease expense
$
21

 
$
13

 
$
12
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
Operating lease commitments are as follows (in millions): 
 
Years Ending December 31,
 
2014
 
2015
 
2016
 
2017
 
2018
 
Thereafter
Operating lease commitments
$
22

 
$
20

 
$
16

 
$
14

 
$
9

 
$
8