Consolidated Statements of Income - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Income Statement [Abstract]
Revenues	$ 18,870	$ 19,131	$ 16,074
Cost of products sold	10,393	10,500	9,276
Selling and administrative expense	4,709	4,719	4,185
Research and development expense	1,256	1,279	1,039
Acquisition-related integration and restructuring expense	192	179	299
Other operating expense, net	37	203	363
Total Operating Costs and Expenses	16,588	16,881	15,161
Operating Income	2,282	2,250	912
Interest expense	(398)	(469)	(528)
Interest income	16	9	7
Other (expense) income, net	(117)	(99)	23
Income from Continuing Operations Before Income Taxes	1,783	1,692	414
Income tax provision	148	88	62
Net Income from Continuing Operations	1,635	1,604	352
Income from Discontinued Operations, Net of Tax	144	488	522
Net Income	1,779	2,092	874
Preferred stock dividends	(90)	(90)	(107)
Net income applicable to common shareholders	$ 1,689	$ 2,002	$ 767
Basic Earnings per Share
Income (Loss) from Continuing Operations, Per Basic Share	$ 5.42	$ 5.23	$ 0.88
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share	0.50	1.69	1.87
Earnings Per Share, Basic	5.93	6.92	2.75
Diluted Earnings per Share
Income (Loss) from Continuing Operations, Per Diluted Share	5.38	5.18	0.87
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share	0.50	1.67	1.85
Diluted Earnings per Share (USD per share)	$ 5.88	$ 6.85	$ 2.71