Income Taxes (Income of U.S and Foreign Operations Before Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Income from Continuing Operations Before Taxes
United States income	$ 947.9	$ 924.6	$ 943.7
Foreign income	1,325.3	1,288.7	1,215.3
Equity affiliates' income	481.5	294.1	264.8
Income From Continuing Operations Before Taxes	$ 2,754.7	$ 2,507.4	$ 2,423.8