Fair Value Measurements - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
Jan. 30, 2022	Jan. 31, 2021
Fair Value Disclosures [Abstract]
Credit loss reserve for held-to-maturity debt securities and available for sale debt securities	$ 4.5	$ 3.4
Increase in credit loss reserve for available-for-sale and held-to-maturity debt securities	1.1	2.9
Non-Marketable Equity Securities Impairment	$ 0.2	$ 3.9

Amount of allowance for credit loss on investment in debt security measured at amortized cost (held-to-maturity) and investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (aaa)
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (aaa)
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27232-111563

Name:	us-gaap_DebtSecuritiesAvailableForSaleAndHeldToMaturityAllowanceForCreditLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant