Income Taxes - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Income Taxes [Line Items]
Foreign pretax income (loss)	$ 730	$ 755	$ 560
Decrease of valuation allowance	1	40
Gross unrecognized tax benefits	261	238	217	$ 198
Unrecognized tax benefits that would reduce valuation allowance if recognized	43
Amount of gross unrecognized tax benefits that would impact the effective tax rate	218
Decrease in unrecognized tax benefits in the next twelve months for statute lapse	0
Unrecognized tax benefits, penalties and interest accrued	7	5	7
Income tax expense from penalties and interest	2	(2)	$ 2
Foreign Country
Income Taxes [Line Items]
Operating loss carryforwards	14
Tax credit carryforward	4
Domestic Country
Income Taxes [Line Items]
Operating loss carryforwards	6
State and Local Jurisdiction
Income Taxes [Line Items]
Operating loss carryforwards	283
Canada | Foreign Country
Income Taxes [Line Items]
Decrease of valuation allowance		$ 38
Canada | Foreign Country | Research Tax Credit Carryforward
Income Taxes [Line Items]
Tax credit carryforward	43
California | State and Local Jurisdiction | Research Tax Credit Carryforward
Income Taxes [Line Items]
Tax credit carryforward	123
PORTUGAL | Foreign Country
Income Taxes [Line Items]
Operating loss carryforwards	8
Norway | Foreign Country
Income Taxes [Line Items]
Operating loss carryforwards	3
NEW ZEALAND | Foreign Country
Income Taxes [Line Items]
Operating loss carryforwards	2
MASSACHUSETTS | State and Local Jurisdiction | Research Tax Credit Carryforward
Income Taxes [Line Items]
Tax credit carryforward	$ 15