Fair Value Measurements - Assets and Liabilities Measured on a Recurring Basis (Details) - Fair Value, Measurements, Recurring - Estimate of Fair Value - USD ($) $ in Millions	Jul. 30, 2021	Jan. 29, 2021	Jul. 31, 2020
Short-term Investments
Assets, Fair Value Disclosure
Investments	$ 1,420	$ 506	$ 435
Short-term Investments \| Certificates of deposit \| Fair Value (Level 1)
Assets, Fair Value Disclosure
Investments	959	0	175
Short-term Investments \| U.S Treasury securities \| Fair Value (Level 1)
Assets, Fair Value Disclosure
Investments	139	223	104
Short-term Investments \| Money market funds \| Fair Value (Level 1)
Assets, Fair Value Disclosure
Investments	131	109	98
Short-term Investments \| Commercial paper \| Fair Value (Level 2)
Assets, Fair Value Disclosure
Investments	117	97	0
Short-term Investments \| Corporate debt securities \| Fair Value (Level 2)
Assets, Fair Value Disclosure
Investments	50	47	35
Short-term Investments \| Agency securities \| Fair Value (Level 2)
Assets, Fair Value Disclosure
Investments	14	30	23
Short-term Investments \| Foreign government debt securities \| Fair Value (Level 2)
Assets, Fair Value Disclosure
Investments	10	0	0
Long-term Investments
Assets, Fair Value Disclosure
Investments	225	200	326
Long-term Investments \| U.S Treasury securities \| Fair Value (Level 1)
Assets, Fair Value Disclosure
Investments	148	129	250
Long-term Investments \| Corporate debt securities \| Fair Value (Level 2)
Assets, Fair Value Disclosure
Investments	49	58	61
Long-term Investments \| Agency securities \| Fair Value (Level 2)
Assets, Fair Value Disclosure
Investments	0	0	15
Long-term Investments \| Foreign government debt securities \| Fair Value (Level 2)
Assets, Fair Value Disclosure
Investments	15	0	0
Long-term Investments \| Municipal obligations \| Fair Value (Level 2)
Assets, Fair Value Disclosure
Investments	13	13	0
Other Assets
Assets, Fair Value Disclosure
Other assets:	5	4	0
Other Assets \| Fixed-to-floating interest rate swaps \| Fair Value (Level 2)
Assets, Fair Value Disclosure
Other assets:	3	0	0
Other Assets \| Forward interest rate swaps \| Fair Value (Level 2)
Assets, Fair Value Disclosure
Other assets:	2	4	0
Other current liabilities
Liabilities, Fair Value Disclosure
Other current liabilities:	3	8	20
Other current liabilities \| Forward interest rate swaps \| Fair Value (Level 2)
Liabilities, Fair Value Disclosure
Other current liabilities:	3	8	20
Other noncurrent liabilities
Liabilities, Fair Value Disclosure
Other liabilities:	0	0	21
Other noncurrent liabilities \| Forward interest rate swaps \| Fair Value (Level 2)
Liabilities, Fair Value Disclosure
Other liabilities:	$ 0	$ 0	$ 21

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=124258926&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
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563

+ Details

Name:	us-gaap_AvailableForSaleSecuritiesDebtSecurities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Fair value, after the effects of master netting arrangements, of a financial asset or other 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

+ Details

Name:	us-gaap_DerivativeAssetsNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

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.

+ References

+ Details

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

- Definition

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.

+ References

+ Details

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

- References

No definition available.

+ Details

Name:	us-gaap_FinancialLiabilitiesFairValueDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	us-gaap_InvestmentsFairValueDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration