CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (Unaudited) (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Statement of Stockholders' Equity [Abstract]
Cash dividends per common share (in dollars per share)	$ 0.18	$ 0.18	$ 0.54	$ 0.54
Common stock, par value (in dollars per share)	$ 5	$ 5	$ 5	$ 5