Investments - Summary (Details) - USD ($) $ in Millions	Oct. 30, 2020	Jan. 31, 2020	Nov. 01, 2019
Short-term investments:
Available-for-sale debt securities	$ 702	$ 160	$ 127
Held-to-maturity securities	1,150	0	0
Total short-term investments	1,852	160	127
Long-term investments:
Available-for-sale debt securities	202	372	363
Total long-term investments	$ 202	$ 372	$ 363

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121558606&loc=SL82898722-210454

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-SubTopic 10
-Section 45
-Paragraph 2
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