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Segments (Operating Income by Reportable Segment and Reconciliation to Earnings Before Income Tax Expense) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2021	Aug. 01, 2020	Jul. 31, 2021	Aug. 01, 2020
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income	$ 797	$ 568	$ 1,566	$ 797
Investment income and other	3	8	6	14
Interest expense	(6)	(15)	(12)	(32)
Earnings before income tax expense and equity in income of affiliates	794	561	1,560	779
Domestic Segment [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income	757	524	1,491	765
International Segment [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income	$ 40	$ 44	$ 75	$ 32

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