Business and Summary of Significant Accounting Policies - Change in presentation (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total net revenue	$ 5,005	$ 4,386	$ 3,790
Subscription
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total net revenue	4,651	4,060	3,381
Other
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total net revenue	$ 289	250	226
Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total net revenue		4,386	3,790
Previously Reported | Subscription
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total net revenue		4,156	3,479
Previously Reported | Other
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total net revenue		154	128
Effect of Change in Presentation
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total net revenue		0	0
Effect of Change in Presentation | Subscription
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total net revenue		(96)	(98)
Effect of Change in Presentation | Other
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total net revenue		$ 96	$ 98