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Impairments and Loss on Disposal of Assets (Narrative) (Details) (Medical, Waukegan, Illinois Property, USD $)
In Millions, unless otherwise specified
3 Months Ended
Dec. 31, 2013
Long Lived Assets Held-for-sale [Line Items]  
Impairment of Long-Lived Assets to be Disposed of $ 8
Fair Value, Inputs, Level 2
 
Long Lived Assets Held-for-sale [Line Items]  
Assets Held-for-sale, Long Lived $ 24