Other Deductions, Net (Schedule Of Other Deductions, Net) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Other deductions, net [Line Items]
Amortization of intangibles	$ 46	$ 53	$ 97	$ 108
Rationalization of operations	15	44	28	53
Separation costs	31	0	55	0
Other	30	39	56	39
Total	122	136	236	$ 200
Change in gain (loss) from foreign currency transactions	$ (19)		$ (46)
Litigation costs		$ 20