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Goodwill (Notes)
9 Months Ended
Sep. 30, 2013
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill Disclosure [Text Block]
Goodwill
The following table summarizes the changes in the carrying amounts of goodwill (in millions):
 
 
 
Year Ended
 
Nine Months Ended September 30, 2013
 
December 31, 2012
 
North America
 
International
 
Total
 
North
America
Balance at beginning of period
$
1,108

 
$
 
$
1,108

 
$
1,108

International operations acquisition(a)
 
 
48

 
48

 
 
Balance at end of period
$
1,108

 
$
48

 
$
1,156

 
$
1,108

_________________ 
(a)
See Note 2 - "Acquisition of Ally Financial Inc. International Operations" for further discussion.