Financial Instruments - Schedule of Measured At Fair Value on Recurring Basis (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024
Long-term
Derivative Liability Statement Of Financial Position Extensible Enumeration Not Disclosed Flag	Derivative contract liabilities (7)
Derivative contract liabilities	$ (22)	$ (15)
Total	1,442	1,815
Foreign Exchange Contract
Long-term
Derivative contract assets, fair value	28	21
Commercial paper
Short-term
Marketable securities, short-term	96	159
Corporate debt securities
Short-term
Marketable securities, short-term	79	75
Long-term
Marketable securities, long-term	97	104
U.S. government securities
Short-term
Marketable securities, short-term	74	70
Long-term
Marketable securities, long-term	51	24
Asset backed securities
Short-term
Marketable securities, short-term	19	28
Long-term
Marketable securities, long-term	71	59
Other
Short-term
Marketable securities, short-term	19	22
Long-term
Marketable securities, long-term	8	11
Agency mortgage-backed securities
Long-term
Marketable securities, long-term	40	36
Mutual funds
Long-term
Long-term other assets, fair value	118	100
Level 1
Long-term
Derivative contract liabilities	0	0
Total	736	793
Level 1 | Foreign Exchange Contract
Long-term
Derivative contract assets, fair value	0	0
Level 1 | Commercial paper
Short-term
Marketable securities, short-term	0	0
Level 1 | Corporate debt securities
Short-term
Marketable securities, short-term	0	0
Long-term
Marketable securities, long-term	0	0
Level 1 | U.S. government securities
Short-term
Marketable securities, short-term	0	0
Long-term
Marketable securities, long-term	0	0
Level 1 | Asset backed securities
Short-term
Marketable securities, short-term	0	0
Long-term
Marketable securities, long-term	0	0
Level 1 | Other
Short-term
Marketable securities, short-term	0	0
Long-term
Marketable securities, long-term	0	0
Level 1 | Agency mortgage-backed securities
Long-term
Marketable securities, long-term	0	0
Level 1 | Mutual funds
Long-term
Long-term other assets, fair value	118	100
Level 2
Long-term
Derivative contract liabilities	(22)	(15)
Total	706	1,022
Level 2 | Foreign Exchange Contract
Long-term
Derivative contract assets, fair value	28	21
Level 2 | Commercial paper
Short-term
Marketable securities, short-term	96	159
Level 2 | Corporate debt securities
Short-term
Marketable securities, short-term	79	75
Long-term
Marketable securities, long-term	97	104
Level 2 | U.S. government securities
Short-term
Marketable securities, short-term	74	70
Long-term
Marketable securities, long-term	51	24
Level 2 | Asset backed securities
Short-term
Marketable securities, short-term	19	28
Long-term
Marketable securities, long-term	71	59
Level 2 | Other
Short-term
Marketable securities, short-term	19	22
Long-term
Marketable securities, long-term	8	11
Level 2 | Agency mortgage-backed securities
Long-term
Marketable securities, long-term	40	36
Level 2 | Mutual funds
Long-term
Long-term other assets, fair value	0	0
Level 3
Long-term
Derivative contract liabilities	0	0
Total	0	0
Level 3 | Foreign Exchange Contract
Long-term
Derivative contract assets, fair value	0	0
Level 3 | Commercial paper
Short-term
Marketable securities, short-term	0	0
Level 3 | Corporate debt securities
Short-term
Marketable securities, short-term	0	0
Long-term
Marketable securities, long-term	0	0
Level 3 | U.S. government securities
Short-term
Marketable securities, short-term	0	0
Long-term
Marketable securities, long-term	0	0
Level 3 | Asset backed securities
Short-term
Marketable securities, short-term	0	0
Long-term
Marketable securities, long-term	0	0
Level 3 | Other
Short-term
Marketable securities, short-term	0	0
Long-term
Marketable securities, long-term	0	0
Level 3 | Agency mortgage-backed securities
Long-term
Marketable securities, long-term	0	0
Level 3 | Mutual funds
Long-term
Long-term other assets, fair value	0	0
Money market funds
Cash equivalents
Fair Value	618	693
Money market funds | Level 1
Cash equivalents
Fair Value	618	693
Money market funds | Level 2
Cash equivalents
Fair Value	0	0
Money market funds | Level 3
Cash equivalents
Fair Value	0	0
Commercial paper
Cash equivalents
Fair Value	85	250
Commercial paper | Level 1
Cash equivalents
Fair Value	0	0
Commercial paper | Level 2
Cash equivalents
Fair Value	85	250
Commercial paper | Level 3
Cash equivalents
Fair Value	0	0
Certificates of deposit
Cash equivalents
Fair Value	38	80
Certificates of deposit | Level 1
Cash equivalents
Fair Value	0	0
Certificates of deposit | Level 2
Cash equivalents
Fair Value	38	80
Certificates of deposit | Level 3
Cash equivalents
Fair Value	0	0
U.S. government securities
Cash equivalents
Fair Value	19	92
U.S. government securities | Level 1
Cash equivalents
Fair Value	0	0
U.S. government securities | Level 2
Cash equivalents
Fair Value	19	92
U.S. government securities | Level 3
Cash equivalents
Fair Value	0	0
Other
Cash equivalents
Fair Value	4	6
Other | Level 1
Cash equivalents
Fair Value	0	0
Other | Level 2
Cash equivalents
Fair Value	4	6
Other | Level 3
Cash equivalents
Fair Value	$ 0	$ 0