Equity (Tables)

6 Months Ended

Mar. 31, 2014

Equity [Abstract]

Schedule of Stockholders' Equity

	Common Stockholders' Equity			Noncontrolling Interests in Subsidiaries		Total Equity
Balance at September 30, 2013	$	10,585		133		10,718
Net earnings	1,009			22		1,031
Other comprehensive income (loss)	53			(2	)	51
Cash dividends	(606		)	(4	)	(610	)
Purchase of noncontrolling interest	(343		)	(101	)	(444	)
Net (purchases) issuances of common stock	(221		)	—		(221	)
Balance at March 31, 2014	$	10,477		48		10,525