Equity Roll Forward (Schedule Of Change In Equity) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance			$ 7,618
Net earnings	$ 425	$ 489	1,040	$ 1,219
Other comprehensive income (loss)	114	$ 19	422	$ 55
Cash dividends			(948)
Stock plans			(110)
Ending balance	8,022		8,022
Parent [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance			7,568
Ending balance	7,966		7,966
Retained Earnings [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings			1,014
Cash dividends			(930)
AOCI Attributable to Parent [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Other comprehensive income (loss)			424
Additional Paid-in Capital [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock plans			(110)
Noncontrolling Interest [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance			50
Net earnings			26
Other comprehensive income (loss)			(2)
Cash dividends			(18)
Stock plans			0
Ending balance	$ 56		$ 56