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Pension and Other Postretirement Pension Plans (Narrative) (Details)	12 Months Ended
	Sep. 30, 2016
U.S. Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Period of annual average returns used in return on plan assets simulation model (in years)	20 years

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- Definition

Defined Benefit Plan, Period of Annual Average Returns Used in Return on Plan Assets Simulation Model

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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