Financial Instruments and Other Financing Arrangements (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Sep. 30, 2013
Committed Receivables Sales Facility Program
Derivative [Line Items]
Line of Credit Facility, Effective Date of Reduction	Oct. 15, 2013
Line of Credit Facility, Maximum Borrowing Capacity	$ 700	$ 950
Pay-floating interest rate swap
Derivative [Line Items]
Derivative, Notional Amount	$ 300