Financial Instruments - Measured At Fair Value on Recurring Basis (Details) - USD ($) $ in Millions	Oct. 31, 2022	Jan. 31, 2022
Short-term
Derivative contract assets, fair value	$ 2
Total	1,167	$ 805
Foreign Exchange Contract
Short-term
Derivative contract assets, fair value	72	18
Derivative contract liabilities	(15)	(11)
Money market funds
Cash equivalents
Cash equivalents	515	302
Commercial paper
Cash equivalents
Cash equivalents	299	55
Commercial paper \| Short-term
Short-term
Debt securities, fair value	87	103
U.S. government securities
Cash equivalents
Cash equivalents		25
U.S. government securities \| Short-term
Short-term
Debt securities, fair value		13
Custody cash deposit
Cash equivalents
Cash equivalents		18
Corporate debt securities
Cash equivalents
Cash equivalents		18
Corporate debt securities \| Short-term
Short-term
Debt securities, fair value	35	61
Corporate debt securities \| Long-term
Short-term
Debt securities, fair value	26	44
Certificates of deposit
Cash equivalents
Cash equivalents	21	6
Certificates of deposit \| Short-term
Short-term
Debt securities, fair value		14
Agency discount notes
Cash equivalents
Cash equivalents	7
Asset-backed securities \| Short-term
Short-term
Debt securities, fair value	7	26
Asset-backed securities \| Long-term
Short-term
Debt securities, fair value	6
Municipal bonds \| Short-term
Short-term
Debt securities, fair value		11
Common stock \| Short-term
Short-term
Debt securities, fair value		4
Other
Cash equivalents
Cash equivalents	5	4
Other \| Short-term
Short-term
Debt securities, fair value	10	4
Other \| Long-term
Short-term
Debt securities, fair value	5	1
Mutual funds
Short-term
Mutual funds	82	89
Convertible debt securities
Short-term
Debt securities, fair value	3
Mutual funds	3
Level 1
Short-term
Derivative contract assets, fair value	0
Total	601	413
Level 1 \| Foreign Exchange Contract
Short-term
Derivative contract assets, fair value	0	0
Derivative contract liabilities	0	0
Level 1 \| Money market funds
Cash equivalents
Cash equivalents	515	302
Level 1 \| Commercial paper
Cash equivalents
Cash equivalents	0	0
Level 1 \| Commercial paper \| Short-term
Short-term
Debt securities, fair value	0	0
Level 1 \| U.S. government securities
Cash equivalents
Cash equivalents		0
Level 1 \| U.S. government securities \| Short-term
Short-term
Debt securities, fair value		0
Level 1 \| Custody cash deposit
Cash equivalents
Cash equivalents		18
Level 1 \| Corporate debt securities
Cash equivalents
Cash equivalents		0
Level 1 \| Corporate debt securities \| Short-term
Short-term
Debt securities, fair value	0	0
Level 1 \| Corporate debt securities \| Long-term
Short-term
Debt securities, fair value	0	0
Level 1 \| Certificates of deposit
Cash equivalents
Cash equivalents	0	0
Level 1 \| Certificates of deposit \| Short-term
Short-term
Debt securities, fair value		0
Level 1 \| Agency discount notes
Cash equivalents
Cash equivalents	0
Level 1 \| Asset-backed securities \| Short-term
Short-term
Debt securities, fair value	0	0
Level 1 \| Asset-backed securities \| Long-term
Short-term
Debt securities, fair value	0
Level 1 \| Municipal bonds \| Short-term
Short-term
Debt securities, fair value		0
Level 1 \| Common stock \| Short-term
Short-term
Debt securities, fair value		4
Level 1 \| Other
Cash equivalents
Cash equivalents	2	0
Level 1 \| Other \| Short-term
Short-term
Debt securities, fair value	2	0
Level 1 \| Other \| Long-term
Short-term
Debt securities, fair value	0	0
Level 1 \| Mutual funds
Short-term
Mutual funds	82	89
Level 1 \| Convertible debt securities
Short-term
Mutual funds	0
Level 2
Short-term
Derivative contract assets, fair value	0
Total	561	392
Level 2 \| Foreign Exchange Contract
Short-term
Derivative contract assets, fair value	72	18
Derivative contract liabilities	(15)	(11)
Level 2 \| Money market funds
Cash equivalents
Cash equivalents	0	0
Level 2 \| Commercial paper
Cash equivalents
Cash equivalents	299	55
Level 2 \| Commercial paper \| Short-term
Short-term
Debt securities, fair value	87	103
Level 2 \| U.S. government securities
Cash equivalents
Cash equivalents		25
Level 2 \| U.S. government securities \| Short-term
Short-term
Debt securities, fair value		13
Level 2 \| Custody cash deposit
Cash equivalents
Cash equivalents		0
Level 2 \| Corporate debt securities
Cash equivalents
Cash equivalents		18
Level 2 \| Corporate debt securities \| Short-term
Short-term
Debt securities, fair value	35	61
Level 2 \| Corporate debt securities \| Long-term
Short-term
Debt securities, fair value	26	44
Level 2 \| Certificates of deposit
Cash equivalents
Cash equivalents	21	6
Level 2 \| Certificates of deposit \| Short-term
Short-term
Debt securities, fair value		14
Level 2 \| Agency discount notes
Cash equivalents
Cash equivalents	7
Level 2 \| Asset-backed securities \| Short-term
Short-term
Debt securities, fair value	7	26
Level 2 \| Asset-backed securities \| Long-term
Short-term
Debt securities, fair value	6
Level 2 \| Municipal bonds \| Short-term
Short-term
Debt securities, fair value		11
Level 2 \| Common stock \| Short-term
Short-term
Debt securities, fair value		0
Level 2 \| Other
Cash equivalents
Cash equivalents	3	4
Level 2 \| Other \| Short-term
Short-term
Debt securities, fair value	8	4
Level 2 \| Other \| Long-term
Short-term
Debt securities, fair value	5	1
Level 2 \| Mutual funds
Short-term
Mutual funds	0	0
Level 2 \| Convertible debt securities
Short-term
Mutual funds	0
Level 3
Short-term
Derivative contract assets, fair value	2
Total	5	0
Level 3 \| Foreign Exchange Contract
Short-term
Derivative contract assets, fair value	0	0
Derivative contract liabilities	0	0
Level 3 \| Money market funds
Cash equivalents
Cash equivalents	0	0
Level 3 \| Commercial paper
Cash equivalents
Cash equivalents	0	0
Level 3 \| Commercial paper \| Short-term
Short-term
Debt securities, fair value	0	0
Level 3 \| U.S. government securities
Cash equivalents
Cash equivalents		0
Level 3 \| U.S. government securities \| Short-term
Short-term
Debt securities, fair value		0
Level 3 \| Custody cash deposit
Cash equivalents
Cash equivalents		0
Level 3 \| Corporate debt securities
Cash equivalents
Cash equivalents		0
Level 3 \| Corporate debt securities \| Short-term
Short-term
Debt securities, fair value	0	0
Level 3 \| Corporate debt securities \| Long-term
Short-term
Debt securities, fair value	0	0
Level 3 \| Certificates of deposit
Cash equivalents
Cash equivalents	0	0
Level 3 \| Certificates of deposit \| Short-term
Short-term
Debt securities, fair value		0
Level 3 \| Agency discount notes
Cash equivalents
Cash equivalents	0
Level 3 \| Asset-backed securities \| Short-term
Short-term
Debt securities, fair value	0	0
Level 3 \| Asset-backed securities \| Long-term
Short-term
Debt securities, fair value	0
Level 3 \| Municipal bonds \| Short-term
Short-term
Debt securities, fair value		0
Level 3 \| Common stock \| Short-term
Short-term
Debt securities, fair value		0
Level 3 \| Other
Cash equivalents
Cash equivalents	0	0
Level 3 \| Other \| Short-term
Short-term
Debt securities, fair value	0	0
Level 3 \| Other \| Long-term
Short-term
Debt securities, fair value	0	0
Level 3 \| Mutual funds
Short-term
Mutual funds	0	$ 0
Level 3 \| Convertible debt securities
Short-term
Mutual funds	$ 3

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