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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 Jul. 29, 2012		542	(230)
Balance, value at Jul. 29, 2012	$ 898	$ 20	$ (8,259)	$ 329	$ 9,584	$ (776)	$ 0
Contribution from noncontrolling interest	3						3
Net earnings (loss)	449				458		(9)
Other comprehensive income (loss)	210					211	(1)
Dividends	$ (371)				(371)
Dividends per share	$ 1.16
Treasury stock retired, shares	(219)	(219)	(219)
Treasury stock retired, value	$ 0	$ 8	$ 7,907		7,899
Treasury stock purchased, shares			(4)
Treasury stock purchased, value	(153)		$ (153)
Treasury stock issued under management incentive and stock option plans, shares			4
Treasury stock issued under management incentive and stock option plans, value	174		$ 141	33
Capital stock, shares at Jul. 28, 2013		323	(11)
Balance, value at Jul. 28, 2013	1,210	$ 12	$ (364)	362	1,772	(565)	(7)
Contribution from noncontrolling interest	5						5
Net earnings (loss)	807				818		(11)
Other comprehensive income (loss)	(3)					(4)	1
Dividends	$ (392)				(392)
Dividends per share	$ 1.248
Treasury stock purchased, shares			(2)
Treasury stock purchased, value	$ (76)		$ (76)
Treasury stock issued under management incentive and stock option plans, shares			3
Treasury stock issued under management incentive and stock option plans, value	52		$ 84	(32)
Capital stock, shares at Aug. 03, 2014		323	(10)
Balance, value at Aug. 03, 2014	1,603	$ 12	$ (356)	330	2,198	(569)	(12)
Contribution from noncontrolling interest	9						9
Net earnings (loss)	691				691		0
Other comprehensive income (loss)	(341)					(340)	(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	$ 1,376	$ 12	$ (556)	$ 339	$ 2,494	$ (909)	$ (4)