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Restructuring of Operations - Accrued Restructuring Costs and Activity (Details) - Jun. 30, 2015 - USD ($)
$ in Millions
Total
Total
Restructuring Reserve [Roll Forward]    
Beginning balance $ 16 $ 21
Charges to restructuring 11 12
Cash payments (3) (8)
Currency impact   (1)
Ending Balance 24 24
Employee Termination Benefits [Member]    
Restructuring Reserve [Roll Forward]    
Beginning balance 7 12
Charges to restructuring 11 11
Cash payments (3) (7)
Currency impact   (1)
Ending Balance 15 15
Exit Costs [Member]    
Restructuring Reserve [Roll Forward]    
Beginning balance $ 9 9
Charges to restructuring   1
Cash payments   $ (1)
Currency impact    
Ending Balance $ 9 $ 9