Financial Instruments (Schedule Of Derivative Instruments) (Details) (USD $)	3 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) to Earnings	$ (3,000,000)	$ 10,000,000
Gain (Loss) to OCI	3,000,000	(3,000,000)
Commodity Contract [Member] | Cash Flow Hedging [Member] | Other Comprehensive Income (Loss) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) to OCI	2,000,000	(5,000,000)
Commodity Contract [Member] | Cash Flow Hedging [Member] | Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Reclassified to Earnings	(3,000,000)	(3,000,000)
Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of foreign currency hedge positions	1,600,000,000
Foreign Exchange Contract [Member] | Other deductions, net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) to Earnings	(2,000,000)	9,000,000
Foreign Exchange Contract [Member] | Cash Flow Hedging [Member] | Other Comprehensive Income (Loss) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) to OCI	1,000,000	2,000,000
Foreign Exchange Contract [Member] | Cash Flow Hedging [Member] | Sales, Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Reclassified to Earnings	2,000,000	4,000,000
Copper and Aluminum [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Weight In Pounds of Copper and Aluminum Commodity Hedges	73,000,000
Amount of Copper and Aluminum Hedged	$ 210,000,000