Revenue - Schedule of Internal Risk Ratings for Contract Assets (Details) - USD ($) $ in Millions	Jan. 27, 2024	Jul. 29, 2023
Financing Receivable, Credit Quality Indicator [Line Items]
Contract asset, gross	$ 1,797	$ 1,686
1 to 4
Financing Receivable, Credit Quality Indicator [Line Items]
Contract asset, gross	693	672
5 to 6
Financing Receivable, Credit Quality Indicator [Line Items]
Contract asset, gross	1,042	954
7 and Higher
Financing Receivable, Credit Quality Indicator [Line Items]
Contract asset, gross	$ 62	$ 60

Amount, before allowance for credit loss, of right to consideration in exchange for good or service transferred to customer, when right is conditioned on something other than passage of time.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 14
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-14

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 7A
-SubTopic 10
-Topic 310
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-7A

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479837/606-10-45-1

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479837/606-10-45-3

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