Annual report pursuant to Section 13 and 15(d)

Contingent Liabilities (Narrative) (Details)

v3.8.0.1
Contingent Liabilities (Narrative) (Details)
$ in Millions
12 Months Ended
Sep. 30, 2017
USD ($)
item
Loss contingency, range of possible loss, maximum | $ $ 10
Number of class action lawsuits filed | item 2