Consolidated Statements of Total Equity (Parenthetical) - $ / shares	12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2019
Increase (Decrease) in Stockholders' Equity
Beginning Balances,shares	363,999,982
Common Stock, Dividends, Per Share, Cash Paid	$ 0.80	$ 0.70	$ 0.60
Ending Balances, shares	356,015,843	363,999,982
Common Stock
Increase (Decrease) in Stockholders' Equity
Beginning Balances,shares	363,999,982	368,431,454	376,261,635
Exercise of stock options, shares	757,487	959,742	2,634,802
Issuances under employee incentive plans, shares	1,691,264	1,608,786	1,417,776
Treasury Stock, Shares, Acquired	(10,432,890)	(7,000,000)	(11,882,759)
Ending Balances, shares	356,015,843	363,999,982	368,431,454