Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
Net Income	$ 360	$ 525	$ 1,491	$ 1,827
Other Comprehensive Income (Loss), Net of Tax
Foreign currency translation adjustments	203	19	322	68
Defined benefit pension and postretirement plans	11	14	32	72
Cash flow hedges	37	(34)	74	78
Other Comprehensive Income (Loss), Net of Tax	250	(1)	428	218
Comprehensive Income	$ 610	$ 524	$ 1,919	$ 2,045