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Acquisition of Businesses (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Acquisition of Businesses (Textuals)        
Acquisition of businesses, net of cash acquired $ 458 $ 17 $ 1,087 $ 32
Goodwill related to acquisition   5   5
Number of acquisitions       3
Total purchase price for acquisition   35   35
Hammerstein Acquisition [Member]
       
Acquisition of Businesses (Textuals)        
Acquisition of businesses, net of cash acquired     529  
Goodwill related to acquisition 217   217  
Additional Acquisitions [Member]
       
Acquisition of Businesses (Textuals)        
Acquisition of businesses, net of cash acquired     108  
Goodwill related to acquisition 30   30  
Number of acquisitions     3  
Keiper/Recaro Automotive Acquisition [Member]
       
Acquisition of Businesses (Textuals)        
Acquisition of businesses, net of cash acquired 450      
Goodwill related to acquisition $ 189   $ 189