Derivative Financial Instruments - Schedule of Notional Value of Our Foreign Currency Contracts Outstanding (Details) - USD ($) $ in Millions	6 Months Ended
Jul. 26, 2026	Jan. 25, 2026
Land, power, and shell guarantees for AI clouds
Derivative [Line Items]
Guarantor obligations, collateral held directly or by third parties, amount	$ 712
Minimum \| Land, power, and shell guarantees for AI clouds
Derivative [Line Items]
Guarantee term	5 years
Maximum \| Land, power, and shell guarantees for AI clouds
Derivative [Line Items]
Guarantee term	7 years
Foreign currency contracts designated as accounting hedges \| Foreign currency contracts
Derivative [Line Items]
Notional values of derivative contracts	$ 2,162	$ 1,765
Not designated as accounting hedges: \| Foreign currency contracts
Derivative [Line Items]
Notional values of derivative contracts	2,252	2,332
Not designated as accounting hedges: \| Land, power, and shell guarantees for AI clouds
Derivative [Line Items]
Notional values of derivative contracts	3,529	3,530
Not designated as accounting hedges: \| Public company warrants
Derivative [Line Items]
Notional values of derivative contracts	4,800	0
Not designated as accounting hedges: \| Equity forward contract
Derivative [Line Items]
Notional values of derivative contracts	$ 1,000	$ 0

Guarantor Obligations, Collateral Held Directly or by Third Parties, Amount

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-5A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-18

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 20
-Name Accounting Standards Codification
-Section 25
-Paragraph 6A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480682/815-20-25-6A

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1A

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 181
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480401/815-10-55-181

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1B

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- Definition

Term of guarantee or group of similar guarantees, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482425/460-10-50-4

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