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Stockholders' Equity (Tables)
6 Months Ended
Mar. 31, 2014
Equity [Abstract]  
Schedule of Activity in Noncontrolling Interests

The following table illustrates the noncontrolling interests activity for the periods presented:

 

     2014     2013  
     (Dollars in millions)  

Balance at September 30

   $ 132     $ 126  

Net income attributable to noncontrolling interests

     9       —     

Noncontrolling interest foreign currency translation adjustment

     (2     —     

Contribution from noncontrolling interests

     —          9  

Noncontrolling interest dividends

     (20     (13
  

 

 

   

 

 

 

Balance at March 31

   $ 119     $ 122