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Leases (Tables)
12 Months Ended
Dec. 31, 2014
Leases [Abstract]  
Operating Leases of Lessee Disclosure [Table Text Block]
Future minimum rental commitments as of December 31, 2014 under all noncancelable lease agreements, including capital leases, were as follows (in millions):
2015
$
59

2016
51

2017
34

2018
25

2019
21

Thereafter
28

 
 

 
$
218