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)		135				135			0
Other comprehensive income (loss)		(34)					(34)		0
Dividends		$ (212)				(212)
Dividends per share		$ 0.70
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		24		$ 24	0	0
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
Capital stock, shares at Oct. 28, 2018			323
Treasury Stock, Shares at Oct. 28, 2018				(22)
Balance, value at Oct. 28, 2018		1,415	$ 12	$ (1,084)	339	2,295	(156)		9
Net earnings (loss)		(59)				(59)			0
Other comprehensive income (loss)		13					13		0
Dividends		$ (106)				(106)
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		$ 5	10	0
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
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)		1,374				1,374			0
Noncontrolling Interest, Period Increase (Decrease)		(4)							(4)
Other comprehensive income (loss)		203					203		0
Dividends		$ (214)				(214)
Dividends per share		$ 0.70
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		28		$ 28	2	(2)
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
Capital stock, shares at Oct. 27, 2019			323
Treasury Stock, Shares at Oct. 27, 2019				(21)
Balance, value at Oct. 27, 2019		1,249	$ 12	$ (1,053)	356	2,050	(126)		10
Net earnings (loss)		1,208				1,208			0
Noncontrolling Interest, Period Increase (Decrease)		(4)							(4)
Other comprehensive income (loss)		130					131		(1)
Dividends		$ (106)				(106)
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		22		$ 5	18	(1)
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

[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.