Commitments (Narrative) (Details) - USD ($) $ in Billions	12 Months Ended
Jan. 29, 2022	Jan. 30, 2021
Commitments And Contingencies Disclosure [Abstract]
Purchase obligations	$ 3.2	$ 2.8
Purchase obligations due, term	1 year

Period covered by the long-term purchase commitment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	us-gaap_LongtermPurchaseCommitmentPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration