Consolidated Statements of Equity (USD $) In Millions, except Per Share data	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]
Balance, value at Jul. 28, 2013	$ 1,210	$ 12	$ (364)	$ 362	$ 1,772	$ (565)	$ (7)
Treasury stock, shares at Jul. 28, 2013			(11)
Shares, Issued at Jul. 28, 2013		323
Contribution from noncontrolling interest	5						5
Net earnings (loss)	672				681		(9)
Other comprehensive income (loss)	38					38	0
Dividends	(294)				(294)
Dividends per share	$ 0.936
Treasury stock purchased, shares			(2)
Treasury stock purchased, value	(76)		(76)
Treasury stock issued under management incentive and stock option plans, shares			2
Treasury stock issued under management incentive and stock option plans, value	36		76	(40)
Balance, value at Apr. 27, 2014	1,591	12	(364)	322	2,159	(527)	(11)
Treasury stock, shares at Apr. 27, 2014			(11)
Shares, Issued at Apr. 27, 2014		323
Balance, value at Aug. 03, 2014	1,603	12	(356)	330	2,198	(569)	(12)
Treasury stock, shares at Aug. 03, 2014			(10)
Shares, Issued at Aug. 03, 2014		323
Contribution from noncontrolling interest	0
Net earnings (loss)	623				623		0
Other comprehensive income (loss)	(196)					(196)	0
Dividends	(295)				(295)
Dividends per share	$ 0.936
Treasury stock purchased, shares			(4)
Treasury stock purchased, value	(192)		(192)
Treasury stock issued under management incentive and stock option plans, shares			2
Treasury stock issued under management incentive and stock option plans, value	42		41	1
Balance, value at May. 03, 2015	$ 1,585	$ 12	$ (507)	$ 331	$ 2,526	$ (765)	$ (12)
Treasury stock, shares at May. 03, 2015			(12)
Shares, Issued at May. 03, 2015		323