Short-term Borrowings and Long-term Debt (Schedule of Short-term Debt) (Details) - USD ($) $ in Millions	Apr. 26, 2020	Jul. 28, 2019
Short-term Debt [Line Items]
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	$ (45)	$ (49)
Debt, Current, Total	1,504	1,371
Other Current Liabilities
Short-term Debt [Line Items]
Commercial Paper	485	853
Notes Payable, Current	721	500
Finance Lease, Liability, Current	3	1
Line of Credit, Current	300	0
Build-to-suit obligation current portion	0	20
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	(5)	(3)
Debt, Current, Total	$ 1,504	$ 1,371

Build-to-suit obligation current portion

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Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

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Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

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- Definition

Amount of unamortized debt discount (premium) and debt issuance costs.

+ References

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- Definition

Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.

+ References

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- Definition

The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

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Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer.

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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

No definition available.

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