CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares shares in Millions	May. 23, 2015	Jan. 31, 2015
CONSOLIDATED BALANCE SHEETS
Preferred shares, per share (in dollars per share)	$ 100	$ 100
Preferred shares, shares authorized	5	5
Preferred shares, shares unissued	5	5
Common shares, par per share (in dollars per share)	$ 1	$ 1
Common shares, shares authorized	1,000	1,000
Common shares, shares issued	959	959
Common shares in treasury, shares	478	472