Number of extensions potentially available to the borrower under the line of credit facility.

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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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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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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.

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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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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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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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Financing Arrangements - Additional Information (Detail)		12 Months Ended	120 Months Ended
	Mar. 31, 2025 USD ($) Extension	Apr. 24, 2026 USD ($)	Jul. 31, 2027	Jun. 23, 2025 USD ($)	Apr. 25, 2025 USD ($)	Jul. 28, 2017 USD ($)
Debt Instrument [Line Items]
Commercial paper notes		$ 0			$ 0
Revolving Credit Facility
Debt Instrument [Line Items]
Credit facility, amount	$ 1,000,000,000
Credit facility, maturity	Mar. 05, 2030
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	$ 50,000,000
Commercial Paper \| Maximum
Debt Instrument [Line Items]
Notes issued, principal amount						$ 1,000,000,000
Debt instrument maturity period			397 days
Senior Notes
Debt Instrument [Line Items]
Notes issued, principal amount		2,500,000,000			3,250,000,000
Issuances of debt, net of issuance costs	1,240,000,000
Senior Notes \| Due March 2032
Debt Instrument [Line Items]
Notes issued, principal amount	$ 625	625,000,000			625,000,000
Notes issued, interest rate	5.50%
Senior Notes \| Due March 2035
Debt Instrument [Line Items]
Notes issued, principal amount	$ 625	625,000,000			625,000,000
Notes issued, interest rate	5.70%
Senior Notes \| Due June 2030
Debt Instrument [Line Items]
Notes issued, principal amount		700,000,000			700,000,000
Senior Notes \| Due June 2025
Debt Instrument [Line Items]
Notes issued, principal amount		0		$ 757,000,000	750,000,000
Notes issued, interest rate				1.875%
Senior Notes \| Due June 2027
Debt Instrument [Line Items]
Notes issued, principal amount		$ 550,000,000			$ 550,000,000