CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical) - $ / shares					3 Months Ended		9 Months Ended
	Oct. 31, 2016	Jul. 28, 2016	Apr. 27, 2016	Jan. 28, 2016	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
CONSOLIDATED STATEMENTS OF EQUITY
Common dividends, per share (in dollars per share)	$ 0.370	$ 0.575	$ 0.575	$ 0.575	$ 0.575	$ 0.565	$ 1.725	$ 1.695