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]
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	0
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	0
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 Jul. 28, 2019			323
Treasury Stock, Shares at Jul. 28, 2019				(22)
Balance, value at Jul. 28, 2019		1,112	$ 12	$ (1,076)	372	1,993	(198)		9
Net earnings (loss)		1,542				1,542			0
Noncontrolling Interest, Period Increase (Decrease)		(4)							(4)
Other comprehensive income (loss)		192					191		1
Dividends		$ (321)				(321)
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				1
Treasury stock issued under management incentive and stock option plans, value		60		$ 48	14	(2)
Capital stock, shares at Apr. 26, 2020			323
Treasury Stock, Shares at Apr. 26, 2020				(21)
Balance, value at Apr. 26, 2020		2,581	$ 12	$ (1,028)	386	3,212	(7)		6
Capital stock, shares at Jan. 26, 2020			323
Treasury Stock, Shares at Jan. 26, 2020				(21)
Balance, value at Jan. 26, 2020		2,499	$ 12	$ (1,048)	374	3,151	5		5
Net earnings (loss)		168				168			0
Other comprehensive income (loss)		(11)					(12)		1
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		32		$ 20	12	0
Capital stock, shares at Apr. 26, 2020			323
Treasury Stock, Shares at Apr. 26, 2020				(21)
Balance, value at Apr. 26, 2020		$ 2,581	$ 12	$ (1,028)	$ 386	$ 3,212	$ (7)		$ 6

[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.