Consolidated Statements of Shareholders' (Deficit)/Equity (Unaudited) - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Capital in Excess of Par Value	Retained Earnings/ (Accumulated Deficit)	Accumulated Other Comprehensive Loss
Balance (in shares) at Jan. 31, 2020		763
Balance at Jan. 31, 2020	$ 1,972	$ 381	$ 0	$ 1,727	$ (136)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	4,165			4,165
Other comprehensive income (loss)	(149)				(149)
Cash dividends declared	(831)			(831)
Share-based payment expense	64		64
Repurchases of common stock (in shares)		(10)
Repurchases of common stock	(947)	$ (5)	(15)	(927)
Issuance of common stock under share-based payment plans (in shares)		3
Issuance of common stock under share-based payment plans	$ 82	$ 2	80
Balance (in shares) at Jul. 31, 2020	756	756
Balance at Jul. 31, 2020	$ 4,356	$ 378	129	4,134	(285)
Balance (in shares) at May. 01, 2020		755
Balance at May. 01, 2020	1,716	$ 377	10	1,722	(393)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	2,828			2,828
Other comprehensive income (loss)	108				108
Cash dividends declared	(416)			(416)
Share-based payment expense	41		41
Issuance of common stock under share-based payment plans (in shares)		1
Issuance of common stock under share-based payment plans	$ 79	$ 1	78
Balance (in shares) at Jul. 31, 2020	756	756
Balance at Jul. 31, 2020	$ 4,356	$ 378	129	4,134	(285)
Balance (in shares) at Jan. 29, 2021	731	731
Balance at Jan. 29, 2021	$ 1,437	$ 366	90	1,117	(136)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	5,340			5,340
Other comprehensive income (loss)	71				71
Cash dividends declared	(993)			(993)
Share-based payment expense	113		113
Repurchases of common stock (in shares)		(33)
Repurchases of common stock	(6,206)	$ (17)	(265)	(5,924)
Issuance of common stock under share-based payment plans (in shares)		1
Issuance of common stock under share-based payment plans	$ 63	$ 1	62
Balance (in shares) at Jul. 30, 2021	699	699
Balance at Jul. 30, 2021	$ (175)	$ 350	0	(460)	(65)
Balance (in shares) at Apr. 30, 2021		715
Balance at Apr. 30, 2021	445	$ 358	0	98	(11)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	3,018			3,018
Other comprehensive income (loss)	(54)				(54)
Cash dividends declared	(563)			(563)
Share-based payment expense	63		63
Repurchases of common stock (in shares)		(16)
Repurchases of common stock	(3,138)	$ (8)	(117)	(3,013)
Issuance of common stock under share-based payment plans (in shares)		0
Issuance of common stock under share-based payment plans	$ 54	$ 0	54
Balance (in shares) at Jul. 30, 2021	699	699
Balance at Jul. 30, 2021	$ (175)	$ 350	$ 0	$ (460)	$ (65)