Consolidated Statements of Equity - USD ($) shares in Millions, $ in Millions	Total	Capital Stock Issued [Member]	Capital Stock In Treasury [Member]	Additional Paid-In Capital [Member]	Earnings Retained In The Business [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interests [Member]
Capital stock, shares at Aug. 02, 2015		323	(13)
Balance, value at Aug. 02, 2015	$ 1,377	$ 12	$ (556)	$ 339	$ 1,754	$ (168)	$ (4)
Net earnings (loss)	644				644		0
Other comprehensive income (loss)	26					24	2
Dividends	$ (293)				(293)
Dividends per share	$ 0.936
Treasury stock purchased, shares			(2)
Treasury stock purchased, value	$ (118)		$ (118)
Treasury stock issued under management incentive and stock option plans, shares			1
Treasury stock issued under management incentive and stock option plans, value	38		$ 35	3
Capital stock, shares at May. 01, 2016		323	(14)
Balance, value at May. 01, 2016	1,674	$ 12	$ (639)	342	2,105	(144)	(2)
Capital stock, shares at Jul. 31, 2016		323	(15)
Balance, value at Jul. 31, 2016	1,533	$ 12	$ (664)	354	1,927	(104)	8
Net earnings (loss)	569				569		0
Other comprehensive income (loss)	(13)					(14)	1
Dividends	$ (323)				(323)
Dividends per share	$ 1.05
Treasury stock purchased, shares			(5)
Treasury stock purchased, value	$ (305)		$ (305)
Treasury stock issued under management incentive and stock option plans, shares			1
Treasury stock issued under management incentive and stock option plans, value	29		$ 35	(6)
Capital stock, shares at Apr. 30, 2017		323	(19)
Balance, value at Apr. 30, 2017	$ 1,490	$ 12	$ (934)	$ 348	$ 2,173	$ (118)	$ 9