Condensed Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended						9 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Jun. 30, 2020	Jun. 30, 2019
Income Statement [Abstract]
Revenues	$ 3,855			$ 4,350			$ 12,333	$ 12,706
Cost of products sold	2,195			2,276			6,962	6,684
Selling and administrative expense	980			1,076			3,126	3,238
Research and development expense	262			282			797	792
Acquisitions and other restructurings	74			90			235	281
Other operating (income) expense, net	(15)			0			(15)	61
Total Operating Costs and Expenses	3,497			3,725			11,104	11,056
Operating Income	358			626			1,229	1,649
Interest expense	(135)			(156)			(405)	(498)
Interest income	2			2			5	8
Other income (expense), net	23			(11)			12	19
Income Before Income Taxes	248			460			842	1,178
Income tax (benefit) provision	(38)			9			96	107
Net Income	286			451			746	1,071
Preferred stock dividends	(9)			(38)			(84)	(114)
Net income applicable to common shareholders	$ 277			$ 413			$ 662	$ 957
Basic Earnings per Share (USD per share)	$ 0.98			$ 1.53			$ 2.41	$ 3.55
Diluted Earnings per Share (USD per share)	0.97			1.51			2.38	3.49
Dividends per Common Share (USD per share)	$ 0.79	$ 0.79	$ 0.79	$ 0.77	$ 0.77	$ 0.77	$ 2.37	$ 2.31