Supplemental Financial Statement Data (Schedule of Accounts, Notes, Loans and Financing Receivable) (Details) - USD ($) $ in Millions	Jul. 30, 2023	Jul. 31, 2022
Receivables [Abstract]
Customer accounts receivable	$ 513	$ 502
Allowances	(19)	(12)
Accounts receivable, net current	494	490
Other receivables	35	51
Accounts receivable, net	$ 529	$ 541

Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of allowance for credit loss on accounts receivable, classified as current.

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- Definition

The sum of amounts currently receivable other than from customers. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer.

+ References

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The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

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