Amount of 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/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(6))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 2: 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

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)
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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fair value portion of other liabilities.

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Fair Value Measurements - Assets and Liabilities Measured on a Recurring Basis (Details) - USD ($) $ in Millions	Oct. 30, 2020	Jan. 31, 2020	Nov. 01, 2019
Assets, Fair Value Disclosure
Investments	$ 904
Fair Value, Measurements, Recurring \| Estimate of Fair Value \| Short-term Investments
Assets, Fair Value Disclosure
Investments	702	$ 160	$ 127
Fair Value, Measurements, Recurring \| Estimate of Fair Value \| Short-term Investments \| Certificates of deposit \| Fair Value (Level 1)
Assets, Fair Value Disclosure
Investments	300	0	0
Fair Value, Measurements, Recurring \| Estimate of Fair Value \| Short-term Investments \| U.S. Treasury notes \| Fair Value (Level 1)
Assets, Fair Value Disclosure
Investments	220	13	13
Fair Value, Measurements, Recurring \| Estimate of Fair Value \| Short-term Investments \| Money market funds \| Fair Value (Level 1)
Assets, Fair Value Disclosure
Investments	96	105	83
Fair Value, Measurements, Recurring \| Estimate of Fair Value \| Short-term Investments \| Corporate debt securities \| Fair Value (Level 2)
Assets, Fair Value Disclosure
Investments	49	23	12
Fair Value, Measurements, Recurring \| Estimate of Fair Value \| Short-term Investments \| Agency securities \| Fair Value (Level 2)
Assets, Fair Value Disclosure
Investments	37	19	19
Fair Value, Measurements, Recurring \| Estimate of Fair Value \| Long-term Investments
Assets, Fair Value Disclosure
Investments	202	372	363
Fair Value, Measurements, Recurring \| Estimate of Fair Value \| Long-term Investments \| U.S. Treasury notes \| Fair Value (Level 1)
Assets, Fair Value Disclosure
Investments	140	280	258
Fair Value, Measurements, Recurring \| Estimate of Fair Value \| Long-term Investments \| Corporate debt securities \| Fair Value (Level 2)
Assets, Fair Value Disclosure
Investments	52	62	75
Fair Value, Measurements, Recurring \| Estimate of Fair Value \| Long-term Investments \| Municipal obligations \| Fair Value (Level 2)
Assets, Fair Value Disclosure
Investments	10	0	0
Fair Value, Measurements, Recurring \| Estimate of Fair Value \| Long-term Investments \| Agency securities \| Fair Value (Level 2)
Assets, Fair Value Disclosure
Investments	0	30	30
Fair Value, Measurements, Recurring \| Estimate of Fair Value \| Other current liabilities
Liabilities, Fair Value Disclosure
Other current liabilities	9	11	0
Fair Value, Measurements, Recurring \| Estimate of Fair Value \| Other current liabilities \| Forward interest rate swaps \| Fair Value (Level 2)
Liabilities, Fair Value Disclosure
Other current liabilities	9	11	0
Fair Value, Measurements, Recurring \| Estimate of Fair Value \| Other noncurrent liabilities
Liabilities, Fair Value Disclosure
Total other liabilities	5	0	0
Fair Value, Measurements, Recurring \| Estimate of Fair Value \| Other noncurrent liabilities \| Forward interest rate swaps \| Fair Value (Level 2)
Liabilities, Fair Value Disclosure
Other liabilities	$ 5	$ 0	$ 0