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Leases (Tables)
12 Months Ended
Dec. 31, 2012
Leases [Abstract]  
Operating Leases of Lessee Disclosure [Table Text Block]
Future minimum rental commitments as of December 31, 2012 under other noncancelable lease agreements are as follows (in millions):
2013
$
69

2014
50

2015
40

2016
33

2017
23

Thereafter
44

 
 

 
$
259