Income Taxes (Schedule Of Deferred Income Tax Assets And Liabilities) (Details) - USD ($) $ in Millions	Sep. 30, 2022	Sep. 30, 2021
Income Tax Disclosure [Abstract]
Net operating losses, capital losses and tax credits	$ 212	$ 316
Accrued liabilities	217	216
Postretirement and postemployment benefits	21	29
Employee compensation and benefits	125	149
Other	135	128
Total deferred tax assets	710	838
Valuation allowances	(174)	(236)
Intangibles	(1,633)	(787)
Pensions	(119)	(107)
Property, plant and equipment	(208)	(212)
Undistributed non-U.S. earnings	(37)	(38)
Other	(160)	(54)
Total deferred tax liabilities	(2,157)	(1,198)
Net deferred income tax liability	$ (1,621)	$ (596)