Consolidated Statements Of Earnings - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Net sales	$ 3,574	$ 3,579	$ 6,790	$ 6,916
Costs and expenses:
Cost of sales	2,017	2,037	3,868	3,960
Selling, general and administrative expenses	868	878	1,690	1,757
Other deductions, net	83	66	116	120
Interest expense (net of interest income of $9, $8, $15 and $14, respectively)	41	46	87	93
Earnings from continuing operations before income taxes	565	552	1,029	986
Income taxes	181	177	275	304
Earnings from continuing operations	384	375	754	682
Earnings from discontinued operations common stockholders	(84)	2	(139)	48
Discontinued operations, net of tax	(84)	2	(139)	48
Earnings from continuing operations	300	377	615	730
Less: Noncontrolling interests in earnings of subsidiaries	8	8	14	12
Net earnings common stockholders	292	369	601	718
Earnings from continuing operations common stockholders	$ 376	$ 367	$ 740	$ 670
Basic earnings from continuing operations per common share	$ 0.58	$ 0.57	$ 1.14	$ 1.04
Basic earnings from discontinued operations per common share	(0.13)	0.00	(0.21)	0.07
Basic earnings per common share	0.45	0.57	0.93	1.11
Diluted earnings from continuing operations per common share	0.58	0.57	1.14	1.03
Diluted earnings from discontinued operations per common share	(0.13)	0.00	(0.21)	0.07
Diluted earnings per common share	0.45	0.57	0.93	1.10
Cash dividends per common share	$ 0.48	$ 0.475	$ 0.96	$ 0.95
Discontinued Operations, Held-for-sale or Disposed of by Sale [Member] | Combined, Network Power and Power Generation, motors and Drives Business [Member]
Costs and expenses:
Discontinued operations, net of tax	$ (84)	$ 2	$ (139)	$ 48