Financing (Long-Term Debt Repayments) (Narrative) (Details) - Senior notes € in Millions, $ in Millions |
Sep. 30, 2018
USD ($)
|
Jun. 30, 2017
EUR (€)
|
---|---|---|
1.65% senior unsecured notes due 2018 | ||
Debt Instrument [Line Items] | ||
Debt instrument, face amount | $ | $ 500 | |
Floating rate senior unsecured notes due 2017 | ||
Debt Instrument [Line Items] | ||
Debt instrument, face amount | € | € 500 |