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

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- Definition

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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The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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Short-term Borrowings and Long-term Debt - Long Term Debt Issued (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021	Sep. 09, 2022
Debt Instrument [Line Items]
Proceeds from issuance of long-term debt	$ 5,041	$ 6,945	$ 0
Senior Unsecured Notes
Debt Instrument [Line Items]
Proceeds from issuance of long-term debt	4,969
3.900% Debt, Due 2025 \| Senior Unsecured Notes
Debt Instrument [Line Items]
Principal Amount				$ 1,750
Interest Rate				3.90%
Proceeds from issuance of long-term debt	1,744
3.950% Debt, Due 2027 \| Senior Unsecured Notes
Debt Instrument [Line Items]
Principal Amount				$ 1,000
Interest Rate				3.95%
Proceeds from issuance of long-term debt	994
4.150% Debt, Due 2032 \| Senior Unsecured Notes
Debt Instrument [Line Items]
Principal Amount				$ 1,250
Interest Rate				4.15%
Proceeds from issuance of long-term debt	1,239
4.500% Debt, Due 2052 \| Senior Unsecured Notes
Debt Instrument [Line Items]
Principal Amount				$ 1,000
Interest Rate				4.50%
Proceeds from issuance of long-term debt	$ 992