Consolidated Statements of Equity (USD $) In Millions, except 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. 29, 2012	$ 898	$ 20	$ (8,259)	$ 329	$ 9,584	$ (776)	$ 0
Balance, shares at Jul. 29, 2012		542,000,000	(230,000,000)
Net earnings (loss)	243				245		(2)
Other comprehensive income (loss)	31					31	0
Dividends	(93)				(93)
Dividends per share	$ 0.29
Treasury stock purchased, shares			0
Treasury stock purchased, value	(17)		(17)
Treasury stock issued under management incentive and stock option plans, shares			1,000,000
Treasury stock issued under management incentive and stock option plans, value	35		53	(18)
Balance, value at Oct. 28, 2012	1,097	20	(8,223)	311	9,736	(745)	(2)
Balance, shares at Oct. 28, 2012		542,000,000	(229,000,000)
Balance, value at Jul. 28, 2013	1,210	12	(364)	362	1,772	(565)	(7)
Balance, shares at Jul. 28, 2013		323,000,000	(11,000,000)
Noncontrolling Interest, Increase from Subsidiary Equity Issuance	5						5
Net earnings (loss)	171				172		(1)
Other comprehensive income (loss)	58					59	(1)
Dividends	(97)				(97)
Dividends per share	$ 0.312
Treasury stock purchased, shares			0
Treasury stock purchased, value	(2)		(2)
Treasury stock issued under management incentive and stock option plans, shares			2,000,000
Treasury stock issued under management incentive and stock option plans, value	0		61	(61)
Balance, value at Oct. 27, 2013	$ 1,345	$ 12	$ (305)	$ 301	$ 1,847	$ (506)	$ (4)
Balance, shares at Oct. 27, 2013		323,000,000	(9,000,000)