Revenue - Schedule of Internal Risk Ratings for Contract Assets (Details) - USD ($) $ in Millions	Jul. 29, 2023	Jul. 30, 2022
Financing Receivable, Credit Quality Indicator [Line Items]
Gross contract assets	$ 1,686	$ 1,386
1 to 4
Financing Receivable, Credit Quality Indicator [Line Items]
Gross contract assets	672	414
5 to 6
Financing Receivable, Credit Quality Indicator [Line Items]
Gross contract assets	954	814
7 and Higher
Financing Receivable, Credit Quality Indicator [Line Items]
Gross contract assets	$ 60	$ 158

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