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Income Taxes - Schedule of Income Taxes Paid, Net (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2024
Income Tax Paid, by Individual Jurisdiction [Line Items]
Federal Taxes	$ (3)
Total income taxes paid (net of refunds)	10	$ 17	$ 13
New York State
Income Tax Paid, by Individual Jurisdiction [Line Items]
State Taxes	2
Other State Jurisdictions
Income Tax Paid, by Individual Jurisdiction [Line Items]
State Taxes	1
India
Income Tax Paid, by Individual Jurisdiction [Line Items]
Foreign Taxes	5
Israel
Income Tax Paid, by Individual Jurisdiction [Line Items]
Foreign Taxes	2
Japan
Income Tax Paid, by Individual Jurisdiction [Line Items]
Foreign Taxes	1
Other Foreign Jurisdictions
Income Tax Paid, by Individual Jurisdiction [Line Items]
Foreign Taxes	$ 2