Long-Term Debt and Credit Facilities (Details 1) € in Millions, $ in Millions	3 Months Ended
	Sep. 30, 2015 USD ($)	Jun. 30, 2015 EUR (€)
Thirty Year Notes at 4 Percent
Schedule of U.S. dollar and Euro denominated notes [Line Items]
Face amount | $	$ 600
Notes, term	30 years
Fixed interest rate	4.00%
Four Year Notes at Variable Rate
Schedule of U.S. dollar and Euro denominated notes [Line Items]
Face amount | €		€ 500
Notes, term		4 years