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. 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
Divestiture	(4)						(4)
Other comprehensive income (loss)	203					203	0
Dividends	$ (214)				(214)
Dividends per share	$ 0.70
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
Divestiture	(4)						(4)
Other comprehensive income (loss)	130					131	(1)
Dividends	$ (106)				(106)
Dividends per share	$ 0.35
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
Capital stock, shares at Aug. 02, 2020		323
Treasury Stock, Shares at Aug. 02, 2020			(21)
Balance, value at Aug. 02, 2020	2,569	$ 12	$ (1,023)	394	3,190	(10)	6
Net earnings (loss)	554				554		0
Other comprehensive income (loss)	2					5	(3)
Dividends	$ (221)				(221)
Dividends per share	$ 0.72
Treasury stock issued under management incentive and stock option plans, shares			1
Treasury stock issued under management incentive and stock option plans, value	$ 21		$ 33	(6)	(6)
Capital stock, shares at Jan. 31, 2021		323
Treasury Stock, Shares at Jan. 31, 2021			(20)
Balance, value at Jan. 31, 2021	2,925	$ 12	$ (990)	388	3,517	(5)	3
Capital stock, shares at Nov. 01, 2020		323
Treasury Stock, Shares at Nov. 01, 2020			(20)
Balance, value at Nov. 01, 2020	2,773	$ 12	$ (991)	370	3,387	(9)	4
Net earnings (loss)	245				245		0
Other comprehensive income (loss)	3					4	(1)
Dividends	$ (114)				(114)
Dividends per share	$ 0.37
Treasury stock issued under management incentive and stock option plans, shares			0
Treasury stock issued under management incentive and stock option plans, value	$ 18		$ 1	18	(1)
Capital stock, shares at Jan. 31, 2021		323
Treasury Stock, Shares at Jan. 31, 2021			(20)
Balance, value at Jan. 31, 2021	$ 2,925	$ 12	$ (990)	$ 388	$ 3,517	$ (5)	$ 3