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. 03, 2014		323	(10)
Balance, value at Aug. 03, 2014	$ 1,602	$ 12	$ (356)	$ 330	$ 1,483	$ 145	$ (12)
Contribution from noncontrolling interest	9						9
Net earnings (loss)	666				666		0
Other comprehensive income (loss)	(314)					(313)	(1)
Dividends	$ (395)				(395)
Dividends per share	$ 1.248
Treasury stock purchased, shares			(5)
Treasury stock purchased, value	$ (244)		$ (244)
Treasury stock issued under management incentive and stock option plans, shares			2
Treasury stock issued under management incentive and stock option plans, value	53		$ 44	9
Capital stock, shares at Aug. 02, 2015		323	(13)
Balance, value at Aug. 02, 2015	1,377	$ 12	$ (556)	339	1,754	(168)	(4)
Noncontrolling Interests Other Activity	9						9
Contribution from noncontrolling interest	0
Net earnings (loss)	563				563		0
Other comprehensive income (loss)	67					64	3
Dividends	$ (390)				(390)
Dividends per share	$ 1.248
Treasury stock purchased, shares			(3)
Treasury stock purchased, value	$ (143)		$ (143)
Treasury stock issued under management incentive and stock option plans, shares			1
Treasury stock issued under management incentive and stock option plans, value	50		$ 35	15
Capital stock, shares at Jul. 31, 2016		323	(15)
Balance, value at Jul. 31, 2016	1,533	$ 12	$ (664)	354	1,927	(104)	8
Contribution from noncontrolling interest	0
Net earnings (loss)	887				887		0
Other comprehensive income (loss)	51					51	0
Dividends	$ (429)				(429)
Dividends per share	$ 1.40
Treasury stock purchased, shares			(8)
Treasury stock purchased, value	$ (437)		$ (437)
Treasury stock issued under management incentive and stock option plans, shares			1
Treasury stock issued under management incentive and stock option plans, value	40		$ 35	5
Capital stock, shares at Jul. 30, 2017		323	(22)
Balance, value at Jul. 30, 2017	$ 1,645	$ 12	$ (1,066)	$ 359	$ 2,385	$ (53)	$ 8