Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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

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The carrying value as of the balance sheet date of the current and noncurrent portions 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.

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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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Debt Instrument, Covenant, Maximum Leverage Ratio

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Debt - Senior Notes and Credit Agreement (Details) - USD ($)	9 Months Ended
	Oct. 31, 2024	Jan. 31, 2024	Apr. 30, 2022
Debt Instrument [Line Items]
Debt discount and issuance costs	$ 17,000,000	$ 20,000,000
Senior Notes
Debt Instrument [Line Items]
Principal			$ 3,000,000,000
Debt discount and issuance costs			27,000,000
Fair value of Senior Notes	$ 2,800,000,000	$ 2,800,000,000
2027 Notes \| Senior Notes
Debt Instrument [Line Items]
Principal			$ 1,000,000,000
Contractual interest rate			3.50%
Effective interest rate	3.67%
2029 Notes \| Senior Notes
Debt Instrument [Line Items]
Principal			$ 750,000,000
Contractual interest rate			3.70%
Effective interest rate	3.82%
2032 Notes \| Senior Notes
Debt Instrument [Line Items]
Principal			$ 1,250,000,000
Contractual interest rate			3.80%
Effective interest rate	3.90%
2022 Credit Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 1,000,000,000
Long-term line of credit	$ 0
Debt instrument, maximum leverage ratio	3.50
Debt instrument, maximum leverage ratio step up	4.50
Base Rate \| Minimum \| 2022 Credit Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Basis spread on variable rate	0.00%
Base Rate \| Maximum \| 2022 Credit Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Basis spread on variable rate	0.50%
Secured Overnight Financing Rate (SOFR) \| 2022 Credit Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Basis spread on variable rate	0.10%
Secured Overnight Financing Rate (SOFR) \| Minimum \| 2022 Credit Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Basis spread on variable rate	0.75%
Secured Overnight Financing Rate (SOFR) \| Maximum \| 2022 Credit Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Basis spread on variable rate	1.50%