Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net Income	$ 460	$ 454	$ 969	$ 1,131
Other Comprehensive (Loss) Income, Net of Tax
Foreign currency translation adjustments	(21)	78	(101)	119
Defined benefit pension and postretirement plans	11	11	22	21
Cash flow hedges	(6)	44	(9)	37
Other Comprehensive (Loss) Income, Net of Tax	(16)	133	(87)	178
Comprehensive Income	$ 445	$ 586	$ 882	$ 1,309