Business and Summary of Significant Accounting Policies - Stock-based Compensation Expense (Details)	12 Months Ended
	Jan. 31, 2025 USD ($) period	Jan. 31, 2024 USD ($)	Jan. 31, 2023 USD ($)
Accounting Policies [Abstract]
Market capitalization	$ 2,000,000,000.0
Number of exercise period | period	4
Term of exercise period	6 months
Term of offering period	24 months
Cash dividends paid	$ 0	$ 0	$ 0
Expected dividends	0.00%