v2.4.0.8
Derivatives And Hedging Activities Narrative (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Sep. 30, 2014
Sep. 30, 2016
Scenario, Forecast [Member]
Cost of Sales [Member]
Sep. 30, 2015
Scenario, Forecast [Member]
Cost of Sales [Member]
Sep. 30, 2015
Scenario, Forecast [Member]
Other Income [Member]
Derivative [Line Items]        
Additional Foreign Currency and Commodity Forward Contracts, Individually Less Than $ 10      
Net derivative gains (losses) included in accumulated other comprehensive income, before tax (21)      
Net derivative gains (losses) included in accumulated other comprehensive income, after tax (14)      
Loss expected to be reclassified into earnings   5 17  
Gain expected to be reclassified into earnings       $ 1