Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Statement of Comprehensive Income [Abstract]
Net Income	$ 229	$ 236
Other Comprehensive Income (Loss), Net of Tax
Foreign currency translation adjustments	(116)	(141)
Defined benefit pension and postretirement plans	12	11
Net unrealized gains (losses) on cash flow hedges, net of reclassifications	3	(7)
Other Comprehensive Loss, Net of Tax	(101)	(137)
Comprehensive Income	$ 127	$ 98