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. 30, 2017			323
Treasury Stock, Shares at Jul. 30, 2017				(22)
Balance, value at Jul. 30, 2017		$ 1,645	$ 12	$ (1,066)	$ 359	$ 2,385	$ (53)		$ 8
Noncontrolling Interest acquired		47							47
Repurchase of noncontrolling interest		(47)							(47)
Net earnings (loss)		167				167			0
Other comprehensive income (loss)		(24)					(23)		(1)
Dividends		$ (316)				(316)
Dividends per share		$ 1.05
Treasury stock purchased, shares				(2)
Treasury stock purchased, value		$ (86)		$ (86)
Treasury stock issued under management incentive and stock option plans, shares				2
Treasury stock issued under management incentive and stock option plans, value		25		$ 48	(23)
Capital stock, shares at Apr. 29, 2018			323
Treasury Stock, Shares at Apr. 29, 2018				(22)
Balance, value at Apr. 29, 2018		1,411	$ 12	$ (1,104)	336	2,236	(76)		7
Capital stock, shares at Jan. 28, 2018			323
Treasury Stock, Shares at Jan. 28, 2018				(22)
Balance, value at Jan. 28, 2018		1,949	$ 12	$ (1,104)	321	2,734	(21)		7
Noncontrolling Interest acquired		47							47
Repurchase of noncontrolling interest		(47)							(47)
Net earnings (loss)		(393)				(393)			0
Other comprehensive income (loss)		(55)					(55)		0
Dividends		$ (105)				(105)
Dividends per share		$ 0.35
Treasury stock purchased, shares				0
Treasury stock purchased, value		$ 0		$ 0
Treasury stock issued under management incentive and stock option plans, shares				0
Treasury stock issued under management incentive and stock option plans, value		15		$ 0	15
Capital stock, shares at Apr. 29, 2018			323
Treasury Stock, Shares at Apr. 29, 2018				(22)
Balance, value at Apr. 29, 2018		1,411	$ 12	$ (1,104)	336	2,236	(76)		7
Cumulative Effect of New Accounting Principle in Period of Adoption | Accounting Standards Update 2014-09 [Member]	[1]	(8)				(8)
Cumulative Effect of New Accounting Principle in Period of Adoption | Accounting Standards Update 2018-02 [Member]	[1]	0				(9)	9	[2]
Capital stock, shares at Jul. 29, 2018			323
Treasury Stock, Shares at Jul. 29, 2018				(22)
Balance, value at Jul. 29, 2018		1,373	$ 12	$ (1,103)	349	2,224	(118)		9
Net earnings (loss)		219				219			0
Other comprehensive income (loss)		(65)					(65)		0
Dividends		$ (319)				(319)
Dividends per share		$ 1.05
Treasury stock purchased, shares				0
Treasury stock purchased, value		$ 0		$ 0
Treasury stock issued under management incentive and stock option plans, shares				0
Treasury stock issued under management incentive and stock option plans, value		37		$ 26	11
Capital stock, shares at Apr. 28, 2019			323
Treasury Stock, Shares at Apr. 28, 2019				(22)
Balance, value at Apr. 28, 2019		1,237	$ 12	$ (1,077)	360	2,107	(174)		9
Capital stock, shares at Jan. 27, 2019			323
Treasury Stock, Shares at Jan. 27, 2019				(22)
Balance, value at Jan. 27, 2019		1,278	$ 12	$ (1,079)	349	2,130	(143)		9
Net earnings (loss)		84				84			0
Other comprehensive income (loss)		(31)					(31)		0
Dividends		$ (107)				(107)
Dividends per share		$ 0.35
Treasury stock purchased, shares				0
Treasury stock purchased, value		$ 0		$ 0
Treasury stock issued under management incentive and stock option plans, shares				0
Treasury stock issued under management incentive and stock option plans, value		13		$ 2	11
Capital stock, shares at Apr. 28, 2019			323
Treasury Stock, Shares at Apr. 28, 2019				(22)
Balance, value at Apr. 28, 2019		$ 1,237	$ 12	$ (1,077)	$ 360	$ 2,107	$ (174)		$ 9

[1] See Note 2 for additional detail.

[2] Reflects the adoption of the FASB guidance on stranded tax effects. See Note 2 for additional information.