Income Taxes - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
Income Taxes [Line Items]
Foreign pretax income (loss)	$ 992	$ 730	$ 755
Increase (decrease) of valuation allowance	(18)	1
Gross unrecognized tax benefits	312	261	238	$ 217
Unrecognized tax benefits that would reduce valuation allowance if recognized	47
Amount of gross unrecognized tax benefits that would impact the effective tax rate	265
Unrecognized tax benefits, penalties and interest accrued	15	7	5
Income tax expense from penalties and interest	9	$ 2	$ (2)
Foreign Country
Income Taxes [Line Items]
Operating loss carryforwards	24
Tax credit carryforward	20
Domestic Country
Income Taxes [Line Items]
Operating loss carryforwards	7
State and Local Jurisdiction
Income Taxes [Line Items]
Operating loss carryforwards	316
Canada | Foreign Country | Research Tax Credit Carryforward
Income Taxes [Line Items]
Tax credit carryforward	42
California | State and Local Jurisdiction | Research Tax Credit Carryforward
Income Taxes [Line Items]
Tax credit carryforward	130
PORTUGAL | Foreign Country
Income Taxes [Line Items]
Operating loss carryforwards	8
Norway | Foreign Country
Income Taxes [Line Items]
Operating loss carryforwards	9
NEW ZEALAND | Foreign Country
Income Taxes [Line Items]
Operating loss carryforwards	3
MASSACHUSETTS | State and Local Jurisdiction | Research Tax Credit Carryforward
Income Taxes [Line Items]
Tax credit carryforward	$ 13