Debt and Credit Agreements Line of Credit Facility (Details) (USD $) In Millions	3 Months Ended
	Sep. 30, 2011
Revolving Credit Facility, Current
Line of Credit Facility
Line of credit facility, current borrowing capacity	$ 1,250
Line of credit facility, expiration date	May 2012
Revolving Credit Facility, New
Line of Credit Facility
Line of credit facility, current borrowing capacity	1,000
Line of credit facility, expiration date	September 2016
Receivable Securitization Facility
Line of Credit Facility
Line of credit facility, current borrowing capacity	250
Line of credit facility, expiration date	June 2012
Line of credit facility, amount outstanding	$ 0