Disclosures About Derivative Instruments and Hedging Activities (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Derivatives Not Designated as Hedging Instruments [Member]
Effects of derivative instruments on the Condensed Consolidated Statements of Income and changes in AOCI and noncontrolling interest
Gain (Loss) Recognized in Income	$ 12.9	$ 2.3
Cash Flow Hedges [Member]
Effects of derivative instruments on the Condensed Consolidated Statements of Income and changes in AOCI and noncontrolling interest
Gain (loss) recognized in AOCI and noncontrolling interests	48.0	(6.8)
Gain (loss) reclassified from AOCI and noncontrolling interest into income	15.8	(20.9)
Commodity Contracts [Member] | Derivatives Not Designated as Hedging Instruments [Member] | Cost of Sales [Member]
Effects of derivative instruments on the Condensed Consolidated Statements of Income and changes in AOCI and noncontrolling interest
Gain (Loss) Recognized in Income	12.8	2.3
Commodity Contracts [Member] | Derivatives Not Designated as Hedging Instruments [Member] | Operating Expenses/Other Income [Member]
Effects of derivative instruments on the Condensed Consolidated Statements of Income and changes in AOCI and noncontrolling interest
Gain (Loss) Recognized in Income	0.1	0
Commodity Contracts [Member] | Cash Flow Hedges [Member] | Cost of Sales [Member]
Effects of derivative instruments on the Condensed Consolidated Statements of Income and changes in AOCI and noncontrolling interest
Gain (loss) recognized in AOCI and noncontrolling interests	53.4	(4.1)
Gain (loss) reclassified from AOCI and noncontrolling interest into income	22.3	(17.9)
Foreign Currency Contracts [Member] | Cash Flow Hedges [Member] | Cost of Sales [Member]
Effects of derivative instruments on the Condensed Consolidated Statements of Income and changes in AOCI and noncontrolling interest
Gain (loss) recognized in AOCI and noncontrolling interests	(2.5)	(3.7)
Gain (loss) reclassified from AOCI and noncontrolling interest into income	(2.1)	0.5
Cross Currency Interest Rate Contract [Member] | Cash Flow Hedges [Member] | Interest Expense/Other Income [Member]
Effects of derivative instruments on the Condensed Consolidated Statements of Income and changes in AOCI and noncontrolling interest
Gain (loss) recognized in AOCI and noncontrolling interests	(1.2)	0
Gain (loss) reclassified from AOCI and noncontrolling interest into income	(0.3)	0
Interest Rate Contracts [Member] | Cash Flow Hedges [Member] | Interest Expense/Other Income [Member]
Effects of derivative instruments on the Condensed Consolidated Statements of Income and changes in AOCI and noncontrolling interest
Gain (loss) recognized in AOCI and noncontrolling interests	(1.7)	1.0
Gain (loss) reclassified from AOCI and noncontrolling interest into income	$ (4.1)	$ (3.5)