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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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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Date the credit facility terminates, in YYYY-MM-DD format.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Amount of cash outflow for short-term and long-term debt. Excludes payment of lease obligation.

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Financing Arrangements - Additional Information (Detail) $ in Millions		9 Months Ended		121 Months Ended
	May 01, 2023 USD ($) Extension	Jan. 24, 2025 USD ($)	Jan. 26, 2024 USD ($)	Jul. 31, 2027	Apr. 26, 2024 USD ($)	Jul. 28, 2017 USD ($)
Debt Instrument [Line Items]
Repayments of Debt		$ 400	$ 0
Commercial paper notes		0			$ 0
Revolving Credit Facility
Debt Instrument [Line Items]
Credit facility, amount	$ 1,000
Credit facility, maturity	Jan. 22, 2026
Credit facility, number of extensions \| Extension	2
Credit facility, extensions period	1 year
Credit facility, amounts drawn		0
Revolving Credit Facility \| Letter Of Credit Sub Facility
Debt Instrument [Line Items]
Credit facility, amount	$ 50
Commercial Paper \| Maximum
Debt Instrument [Line Items]
Notes issued, principal amount						$ 1,000
Debt instrument maturity period				397 days
Senior Notes
Debt Instrument [Line Items]
Notes issued, principal amount		$ 2,000			2,400
Notes issued, interest rate		3.30%
Senior Notes \| Revolving Credit Facility
Debt Instrument [Line Items]
Notes issued, principal amount		$ 407
Senior Notes \| Due September 2024
Debt Instrument [Line Items]
Notes issued, principal amount		0			400
Senior Notes \| Due June 2025
Debt Instrument [Line Items]
Notes issued, principal amount		750			750
Senior Notes \| Due June 2027
Debt Instrument [Line Items]
Notes issued, principal amount		550			550
Senior Notes \| Due June 2030
Debt Instrument [Line Items]
Notes issued, principal amount		$ 700			$ 700