Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Statement of Comprehensive Income [Abstract]
Net Income	$ 281	$ 509
Other Comprehensive Income (Loss), Net of Tax
Foreign currency translation adjustments	40	(80)
Defined benefit pension and postretirement plans	12	11
Cash flow hedges	(18)	(3)
Other Comprehensive Income (Loss), Net of Tax	33	(72)
Comprehensive Income	$ 314	$ 437